Hotel Bird Management in Parker, Colorado. WD Pigeon Solutions provides professional hotel bird management services for Parker property owners, including multi-species effectiveness, commercial-grade deterrents, virtually invisible systems. Contact us for a free inspection in Parker, Colorado.
Hotel Bird Management in Parker, Colorado
Discreet bird management programs for hotels and resorts that protect guest areas, pools, and entrances without impacting aesthetics — trusted by Parker property owners for lasting, humane results.

Last updated: February 16, 2026 · Reviewed by WD Pigeon Solutions pest control specialists
Why Parker Property Owners Need Professional Hotel Bird Management
We tailor our Hotel Bird Management in Parker to each property's unique challenges, whether pigeons are nesting on exposed roof eaves or congregating near ski lift terminal structures.
The combination of resort condominium complexes, ski lodges and chalets, and nearby bird feeders at residential homes makes Parker particularly hospitable to growing pigeon colonies.
In Parker, pigeon-contaminated HVAC intakes can distribute fungal spores throughout entire buildings, increasing the risk of respiratory infections among employees and residents.
We serve Parker with fully insured crews, documented installation procedures, and materials sourced from leading bird-control manufacturers.
Structural inspections of mountain town retail shops and resort complexes frequently reveal accelerated concrete spalling and steel corrosion in areas with heavy pigeon roosting.
Characterized by its alpine climate with cold, snowy winters and dry summers, Parker sees the highest pigeon breeding pressure during April through August, when nesting accelerates rapidly.
To keep pigeons from returning to Parker properties, combine sanitation improvements with structural exclusion—blocking gaps, capping vents, and fitting spike strips.
Schedule your free Parker pigeon inspection with WD Pigeon Solutions and discover how our integrated approach eliminates infestations at the source.

Where We Install Hotel Bird Management in Parker
Our Parker team has installed hotel bird solutions across all property types throughout Colorado.
High-Priority Hotel Bird Management Locations in Parker
These Parker property types see the most urgent demand for professional hotel bird.
Parker Mountain town retail shops
Mountain town retail shops in Parker combine sheltered stone retaining wall crevices with nearby open dumpsters at campgrounds, creating ideal conditions for persistent pigeon colonies that hotel bird can address.
Parker Ski lodges and chalets
Pigeon activity around ski lodges and chalets in Parker frequently targets lift station structures, with outdoor brewery and restaurant patios sustaining flocks that cause droppings, nesting debris, and health concerns.
Parker Government park facilities
Government park facilities face recurring pigeon pressure in Parker. Colonies establish around bridge deck drainage gaps and are sustained by summit snack bar spillage, making professional hotel bird essential for long-term protection.
Parker Timber-frame commercial buildings
Timber-frame commercial buildings in Parker are prime candidates for hotel bird due to heavy pigeon pressure around ski lift terminal structures. Nearby ski resort food courts draw flocks that quickly establish colonies.
Parker Rural residential estates
Hotel Bird is increasingly requested for rural residential estates in Parker, particularly to protect stone retaining wall crevices and reduce contamination caused by open dumpsters at campgrounds.
Parker Hillside residential homes
Hillside residential homes in Parker combine sheltered lift station structures with nearby outdoor brewery and restaurant patios, creating ideal conditions for persistent pigeon colonies that hotel bird can address.
Our Hotel Bird Management Process in Parker
Step 1: Free On-Site Parker Evaluation
Our first step is understanding exactly what your Parker property faces. We inspect mountain town churches and visitor centers for roosting activity, check chimney caps and flues for nesting material, and document the extent of dropping accumulation — all at no cost to you.
Step 2: Property-Specific Hotel Bird Blueprint
No two Parker properties are alike. Whether you manage mountain town retail shops or national park concession buildings, our plan targets the exact roosting and nesting behavior documented during inspection, with materials selected for Parker's alpine climate with cold, snowy winters and dry summers.
Step 3: Crew Deployment and Build-Out
Licensed technicians install your hotel bird system across all identified sites on your Parker property. Hardware is rated for the alpine climate with cold, snowy winters and dry summers and secured with commercial-grade fasteners designed for the specific substrates found on multi-level parking decks on slopes and brewery and distillery buildings.
Step 4: System Verification and Handover
Each installed component is tested and verified against the original treatment plan. We document every hotel bird point on your Parker property — from snow shed overhangs to visitor centers zones — and provide a complete service record with photographs for your files.
Step 5: Ongoing Performance Guarantee
If pigeons return to any treated area within our guarantee period, we come back and address it at no additional cost. For Parker properties with the alpine climate with cold, snowy winters and dry summers, this guarantee gives you confidence that the solution will hold.
Why Parker Chooses WD Pigeon Solutions for Hotel Bird Management
Choosing a hotel bird partner in Parker means finding someone who knows the local building stock. Our crews have treated hillside residential homes, brewery and distillery buildings, and everything in between — and that experience translates into faster, more effective installations on your property.
- Proven track record — successful hotel bird projects across Parker's mountain town retail shops, rural residential estates, and alpine hotel properties
- Climate-matched materials — hardware selected specifically for Parker's alpine climate with cold, snowy winters and dry summers
- Honest assessments — we recommend only what your property actually needs, not upsells
- Written performance guarantee — if pigeons breach any treated area, we return and fix it free
- Fast response — most Parker property assessments scheduled within 48 hours
- Insured and licensed — full commercial coverage for every project
Our Parker clients stay with us because we deliver what we promise. Every hotel bird installation is backed by results, not just rhetoric — and our growing list of satisfied mountain town retail shops and rural residential estates owners proves it.
What Our Customers Say
Trusted by thousands of homeowners and businesses
“The pigeon problem at our apartment complex was out of control. Droppings everywhere, nests in every corner. The team installed bird netting and spikes across the entire building. Haven't seen a single pigeon in three months.”
Sarah Thompson
Las Vegas, NV · Bird Netting Installation
“I called about pigeons in my attic and they came out the same day. They removed over 30 nests, sanitized everything, and sealed every entry point. It's been six months and not a single pigeon has gotten back in. Incredible service.”
Maria Gonzalez
Houston, TX · Attic Pigeon Removal
“Managing a 40-story office building with a pigeon problem is a nightmare. WD Pigeon Solutions brought in rope-access technicians who installed bird spikes on every ledge. The building looks clean for the first time in years. Our tenants are thrilled.”
David Park
Chicago, IL · Bird Spikes Installation
“Running a daycare with pigeons on the playground was a constant worry. WD Pigeon Solutions installed deterrents around the entire outdoor play area. The parents are relieved and the kids can play without pigeon droppings everywhere.”
Jessica Rivera
Orlando, FL · Pigeon Feces Disease Prevention
“We run a food processing plant and a pigeon infestation nearly shut us down. WD Pigeon Solutions mobilized a team the next morning. They cleared the facility, sealed every opening, and set up a monitoring program. We haven't had an issue since.”
Nicole Davis
Minneapolis, MN · Industrial Pigeon Control
“We had an emergency situation with pigeons getting into our medical clinic through a damaged vent. WD Pigeon Solutions arrived within hours, safely removed the birds, sanitized the area, and installed proper vent screens. Fast and professional.”
Samantha White
Columbus, OH · Emergency Pigeon Removal
“The bird spikes on our commercial building were long overdue. The installation team worked over a weekend to minimize disruption to our business. Clean, professional work and the pigeons are completely gone from our ledges.”
Thomas Rodriguez
San Antonio, TX · Bird Spikes Installation
“We needed our loading dock cleared of pigeons before a major FDA inspection. WD Pigeon Solutions responded within 24 hours, removed all nests, cleaned and sanitized the entire dock area, and installed deterrents. We passed the inspection.”
Steven Barnes
Dallas, TX · Loading Dock Bird Control
“I was skeptical about the pigeon birth control program, but the results speak for themselves. Our building's pigeon population has dropped by over 80% in eight months. It's the most humane and effective long-term solution I've seen.”
Amanda Nguyen
San Francisco, CA · Pigeon Birth Control (OvoControl)
“Our school district hired WD Pigeon Solutions to address pigeon problems at three campuses. They handled everything—assessment, removal, cleanup, and prevention—across all locations. The kids and teachers are much happier without pigeons on the playground.”
William Turner
Nashville, TN · School & Campus Bird Control
“Third solar panel company told us we needed pigeon protection or they wouldn't honor the warranty. WD Pigeon Solutions installed critter guards on all 32 panels in one day. Clean work, fair price, and our warranty stays intact.”
Ryan Cooper
Scottsdale, AZ · Solar Panel Pigeon Protection
“The balcony of our condo was unusable because of pigeons. They installed a custom netting system that's barely visible and matches our building's aesthetic. We can finally enjoy our outdoor space again. Thank you!”
Rachel Kim
Portland, OR · Balcony Pigeon Proofing
“I had pigeons nesting in my chimney and could hear them cooing all night. The team installed a heavy-duty chimney cap and removed all the nesting material. No more noise, no more mess. Quick and affordable service.”
Patricia Martinez
Tucson, AZ · Chimney Cap Installation
“Our rooftop AC units were full of pigeon nests and the smell coming through the vents was terrible. WD Pigeon Solutions cleaned everything out, installed screening around all units, and the air quality improved immediately. Life-changing.”
Emily Watson
San Diego, CA · AC Unit Protection
“We tried every DIY pigeon solution on the market before calling WD Pigeon Solutions. Fake owls, shiny tape, sound machines—nothing worked. Their professional exclusion system solved the problem in one visit. Don't waste time with DIY. Call the pros.”
Heather Brown
Austin, TX · Residential Pigeon Control
“The property damage assessment they provided was incredibly detailed. We used it to file an insurance claim for the pigeon damage to our roof and HVAC system. The claim was approved and covered most of the repair and prevention costs.”
Gregory Adams
Indianapolis, IN · Property Damage Assessment
“Pigeons had completely taken over our church steeple. The droppings were damaging our 100-year-old stonework. WD Pigeon Solutions used methods that protected the historic architecture while completely eliminating the pigeon colony. Truly expert work.”
Karen Phillips
Atlanta, GA · Church Steeple Protection
“The gutter guards they installed are fantastic. Pigeons were constantly nesting in our gutters, causing water damage to our foundation. Now the gutters flow freely and there's no place for pigeons to nest. Should have done this years ago.”
Christopher Lee
Philadelphia, PA · Gutter Guard Installation
“After three different companies failed to solve our pigeon problem, WD Pigeon Solutions got it done right. They did a thorough assessment, identified entry points we didn't even know existed, and sealed everything. Problem solved permanently.”
Lisa Anderson
Seattle, WA · Structural Exclusion
“Our parking garage had a massive pigeon problem. Cars were getting damaged, tenants were threatening to leave. The electric track deterrent system they installed on every level was the only thing that worked. Zero pigeons now.”
Brian Foster
New York City, NY · Parking Garage Bird Control
“We manage a grain storage facility and pigeons were consuming and contaminating tons of product annually. WD Pigeon Solutions designed a complete exclusion system for our silos and storage buildings. The contamination losses have dropped to zero.”
Kevin Morris
Detroit, MI · Agricultural Bird Control
“As a property manager for 12 commercial buildings, I've tried every pigeon control company in the area. WD Pigeon Solutions is the only one that delivers lasting results. They now handle all our properties and the tenants couldn't be happier.”
Daniel Jackson
Charlotte, NC · Commercial Bird Exclusion
“The seasonal prevention program has been a game-changer for our property management company. WD Pigeon Solutions comes out quarterly, inspects all our properties, and addresses any issues before they become infestations. Proactive and reliable.”
Jason Patel
Henderson, NV · Seasonal Pigeon Prevention
“Pigeons were getting into our retail store through gaps in the roof every time the loading door opened. The strip curtain and exclusion system they installed solved both the pigeon and the temperature control problem. Highly recommend.”
Stephanie Clark
San Jose, CA · Retail Store Bird Solutions
“Pigeons were destroying our hotel's pool area. Guests complained constantly about droppings on lounge chairs and in the water. The deterrent system they installed is invisible to guests but 100% effective. Our reviews have improved dramatically.”
Jennifer Williams
Miami, FL · Hotel Bird Management
“Our downtown restaurant was losing customers because of pigeons on the patio. WD Pigeon Solutions installed a nearly invisible netting system over our outdoor dining area. Customers love it and we passed our health inspection with flying colors.”
Robert Chen
Los Angeles, CA · Restaurant Pigeon Solutions
“Our wedding venue was losing bookings because of pigeons roosting on the ceremony pergola. The deterrent gel they applied is completely invisible but pigeons won't land on it. We've had four pigeon-free weddings since the treatment.”
Laura Scott
Tampa, FL · Pigeon Deterrent Gel
“We own a warehouse and the pigeon situation was creating serious OSHA concerns. The team installed a comprehensive netting system across our 50,000 sq ft ceiling. The installation crew was professional and finished ahead of schedule.”
Michael O'Brien
Denver, CO · Warehouse Bird Control
“The pigeon wire installation on our office building's ledges is invisible from the ground but incredibly effective. No more pigeons, no more droppings on the sidewalk below, no more complaints from visitors. Professional installation from start to finish.”
Megan Taylor
Raleigh, NC · Pigeon Wire Installation
“We had pigeons nesting under every solar panel on our roof. WD Pigeon Solutions installed mesh guards around all 24 panels and cleaned up years of droppings. Our solar output increased by 15% after the cleanup. Worth every penny.”
James Mitchell
Phoenix, AZ · Solar Panel Pigeon Protection
“Our historic downtown building was being destroyed by pigeon droppings. The team used heritage-sensitive methods that don't damage the original architecture. The building looks beautiful again and the pigeons are gone. Excellent attention to detail.”
Andrew Campbell
Salt Lake City, UT · Historical Building Protection
“The dropping cleanup alone was worth calling them. They power-washed our entire building facade, treated everything with antimicrobial solution, and then installed spikes and wire to prevent the pigeons from returning. Building looks brand new.”
Mark Sullivan
Boston, MA · Dropping Cleanup & Sanitization
Common Pigeon Problems in Parker That Require Hotel Bird Management
Pigeons in Parker gravitate toward mountain town churches and resort condominium complexes, where summit snack bar spillage provide a reliable food source.
HVAC systems on Parker rooftops that are contaminated with pigeon waste operate less efficiently and can spread airborne pathogens through ductwork into occupied spaces.
Occupational health studies confirm that prolonged exposure to pigeon waste in Parker buildings can lead to allergic alveolitis, commonly known as pigeon breeder's lung, even in people who do not handle birds directly.
Parker residents should watch for feathers near air vents, white-streaked stains below rooflines, and groups of pigeons returning to the same perch at dusk—all indicators of an established colony.
Pigeon nesting debris clogs drains and gutters on resort complexes and mountain medical facilities, leading to water damage that far exceeds the cost of prevention.
The alpine climate with cold, snowy winters and dry summers that defines Parker means pigeon control should ideally begin before April through August, when prevention costs far less than reactive cleanup.

When to Schedule Hotel Bird Management in Parker
Timing your hotel bird work with Parker's seasonal pigeon patterns maximizes effectiveness.
Spring (Mar–May)
45–75°FNesting ramps up across coastal and valley cities. Mountain areas see delayed spring activity.
Recommendation
Valley properties near agricultural corridors should prioritize netting before irrigation runoff attracts flocks.
Summer (Jun–Aug)
60–90°FPeak breeding in all sub-regions. Tech campuses, ports, and dining areas see heavy pigeon traffic.
Recommendation
Check rooftop solar arrays and signage for nesting activity every four to six weeks during peak season.
Fall (Sep–Nov)
45–75°FStable populations continue breeding in coastal areas. Interior flocks begin consolidating for winter.
Recommendation
Coastal buildings rarely get a reprieve; interior properties should seal any wind-damaged exclusion before cold sets in.
Winter (Dec–Feb)
30–60°FCoastal cities see minimal change. Mountain and interior locations see birds seeking heated shelter.
Recommendation
Coastal year-round programs should include quarterly cleaning and biannual hardware checks.
Parker Weather and Hotel Bird Management Timing
How Parker's seasonal climate affects pigeon behavior and optimal hotel bird scheduling.
| Season | Avg High | Avg Low | Precipitation | Pigeon Impact |
|---|---|---|---|---|
| Spring | 55°F | 37°F | 3.0 in/mo | Nesting ramps up in coastal and valley areas |
| Summer | 68°F | 47°F | 1.0 in/mo | Peak activity; outdoor dining creates food (peak activity: April through August) |
| Fall | 54°F | 38°F | 3.3 in/mo | Stable populations; pre-winter preparation |
| Winter | 40°F | 28°F | 4.7 in/mo | Coastal activity persists; mountain retreat |
Hotel Bird Management Facts Every Parker Property Owner Should Know
Hotel Bird Management Facts for Parker Property Owners
- A nesting pair of pigeons can produce 6–8 eggs per year, with chicks reaching reproductive maturity in approximately 6 months — making early hotel bird intervention on hillside residential homes far more cost-effective than delayed action
- Hotel Bird Management on ski lift terminal structures and exposed roof eaves prevents the buildup that leads to expensive emergency remediation later
- Pigeons are creatures of habit — they return to the same chimney caps and flues and ski lift terminal structures generation after generation unless physically excluded, which is why hotel bird outperforms temporary scare tactics
- The average property owner waits months before addressing a pigeon problem — by which time populations have grown and structural damage to timber-frame commercial buildings has begun
- A single pigeon produces approximately 25 lbs of droppings per year — across a typical urban flock, mountain medical facilities in Parker can accumulate hundreds of pounds of corrosive waste annually
- Professional hotel bird management in Parker typically costs far less than the accumulated damage from untreated pigeon infestations on mountain medical facilities
- In Parker, pigeon breeding activity peaks during April through August, when the alpine climate with cold, snowy winters and dry summers supports rapid population growth and multiple nesting cycles per pair
- Pigeon guano near HVAC intakes on resort condominium complexes can distribute fungal spores throughout entire buildings, increasing respiratory health risks for occupants
Our Services
Professional pigeon and bird control solutions tailored to your property and needs.

Bird Control
Comprehensive bird deterrent solutions including spikes, netting, and exclusion systems. Protect your property from all pest bird species with lasting results.
Learn More
Bird Spike Installation
Professional bird spike installation for ledges, rooflines, signs, and parapets. Stainless steel spikes provide permanent, humane deterrence for any building type.
Learn More
Pigeon Netting
Heavy-duty pigeon netting systems for courtyards, loading docks, canopies, and large openings. UV-stabilized mesh keeps birds out while maintaining aesthetics.
Learn MoreHotel Bird Management in Parker — Expert Pigeon Control
Watch how WD Pigeon Solutions delivers professional hotel bird for Parker, Colorado property owners.

Free Pigeon Control Tools
Use our interactive tools to assess your pigeon problem and find the right solution.
Warranty Coverage Checker
Check if your existing pigeon control installation is still under warranty and learn about coverage terms and claim procedures.
Use ToolProperty Risk Evaluator
Evaluate your property's vulnerability to pigeon infestation based on building type, location, nearby food sources, and structural features.
Use ToolROI Calculator for Pigeon Prevention
Calculate the return on investment for pigeon prevention measures by comparing upfront costs against ongoing damage and cleanup expenses.
Use ToolService Area Finder
Enter your zip code or city to find the nearest WD Pigeon Solutions service area and get connected with local pigeon control experts.
Use ToolPigeon Species Identifier
Upload a photo or describe the bird you've spotted to identify the species and learn about its behavior, nesting habits, and control methods.
Use ToolDroppings Health Risk Checker
Assess the health risks associated with pigeon droppings at your property based on accumulation level, location, and exposure factors.
Use ToolDid You Know?
Fascinating pigeon facts that might surprise you.
A single pigeon produces about 25 pounds of droppings per year, which can corrode metal and damage building facades.
Pigeon droppings carry over 60 transmittable diseases, including histoplasmosis and cryptococcosis.
Pigeons mate for life and can breed up to 8 times per year, producing 2 eggs each time.
Pigeon droppings are highly acidic (pH 3-4.5) and can eat through car paint, concrete, and roofing materials.
Feral pigeon populations can double in just 2 months under ideal conditions.
Pigeons can recognize all 26 letters of the English alphabet and can even be trained to distinguish between paintings by Monet and Picasso.
Hotel Bird Management FAQ — Parker, Colorado
Find answers to common questions about our pigeon control services.
Hotel Bird Management Near Parker
We also provide hotel bird services throughout Colorado.
How It Works
Getting pigeon-free is easy. Just three simple steps.
Contact Us
Call us, fill out our form, or chat online. Describe your pigeon problem and we'll listen carefully.
Get Free Quote
We'll assess your situation and provide a detailed, no-obligation quote — completely free.
Schedule Service
Pick a time that works for you. Our licensed professionals will handle the rest — guaranteed.
Common Pigeon Infestations
Identify your pigeon problem and learn about effective solutions.
CriticalSolar Panel Infestations
Pigeons nest under solar panels for warmth and shelter, damaging wiring, reducing energy output by up to 30%, and voiding manufacturer warranties.
Learn More
CriticalWarehouse & Commercial Infestations
Large commercial spaces attract massive pigeon flocks. Droppings contaminate inventory, create slip hazards, and can trigger health code violations and costly fines.
Learn More
HighHVAC & Ductwork Nesting
Pigeons nesting near HVAC systems spread diseases through ventilation, clog filters, and cause expensive equipment failures and indoor air quality problems.
Learn More
MediumBalcony & Patio Invasion
Pigeons roosting on balconies and patios leave droppings, feathers, and nesting debris that create unsanitary conditions and make outdoor spaces unusable.
Learn MoreHotel Bird Management Resources for Parker
Everything you need to make an informed decision about hotel bird in Parker, Colorado.
All Parker Pigeon Control
Complete pigeon management services in Parker, CO.
Hotel Bird Management Overview
Learn everything about our professional hotel bird management solutions.
All Colorado Services
Browse all pigeon control service locations in Colorado.
Free Pigeon Control Tools
Use our interactive calculators and cost estimators.
Pigeon Prevention Guide
Expert tips for keeping pigeons away permanently.
Customer Reviews
Read what property owners across the US say about our work.
Hotel Bird Management in Broomfield
Professional hotel bird services in Broomfield, Colorado.
Hotel Bird Management in Highlands Ranch
Professional hotel bird services in Highlands Ranch, Colorado.
Hotel Bird Management in Arvada
Professional hotel bird services in Arvada, Colorado.
DIY vs. Professional Pigeon Control in Parkerhotel-bird-management
| DIY Method | Effectiveness | Limitation |
|---|---|---|
| Ultrasonic devices | Minimal proven effectiveness | Most peer-reviewed studies show negligible impact on pigeon behavior |
| Visual deterrents (fake owls, reflective tape) | Temporarily effective for 1-2 weeks | Pigeons quickly habituate and ignore them |
| Removing food sources | Helpful as part of a broader plan | Urban environments provide too many alternative food sources for this alone |
| Water sprinklers or motion sprays | Some short-term deterrence | Not practical for rooftops or upper ledges; water waste and maintenance cost |
| Sealing individual entry points | Effective for specific openings | Pigeons find alternative entry points without comprehensive exclusion |
Why Hire a Professional?
- Comprehensive property assessment identifies all roosting and nesting sites
- Safe handling and cleanup of droppings containing potentially harmful pathogens
- Follow-up monitoring ensures pigeons do not relocate to other parts of your property
- Knowledge of local regulations regarding bird control methods
- Trained technicians understand flock behavior and seasonal breeding patterns
- Licensed and insured protection for your Parkerhotel-bird-management property
Pigeon Control Cost Guide for Parkerhotel-bird-management
Every property is different. The figures above are general ranges — your actual investment depends on building layout, flock size, and access difficulty. Request a free on-site assessment for an accurate estimate.
| Service | Pricing | Key Factors |
|---|---|---|
| Bird spike installation | Varies by linear footage | Material type (plastic vs. stainless steel), height and accessibility of installation area |
| Ledge modification and slope panels | Varies by linear footage | Material (metal vs. PVC), angle of slope, number of ledges treated |
| Electric shock track installation | Varies by linear footage | Track length, number of rows, voltage system, height of installation |
| Dropping cleanup and sanitization | Varies by area and accumulation | Square footage, depth of accumulation, accessibility, disposal requirements |
| Bird netting installation | Varies by square footage | Net material, area coverage, mounting hardware requirements |
| Initial inspection and assessment | Usually free | Most professional companies offer complimentary inspections |
| Solar panel protection | Varies by system size | Number of panels, roof type, critter guard material |
Other Pigeon Control Services in Parker
Explore additional pigeon control services we offer in Parker, Colorado:
WD Pigeon Solutions Technical Division
This page was prepared and verified by our field operations team, which has completed over 10,000 pigeon exclusion installations worldwide. All methods described follow EPA-registered protocols and manufacturer-specified best practices for commercial bird control products.
Ready for Professional Hotel Bird Management in Parker?
Get your free, no-obligation quote from Parker's trusted pigeon control experts.