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Lon Henderson
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Certified Master Inspector®

Lon Henderson is a Certified Master Inspector® and has been a home and commercial property inspector since 1998. He was an instructor for Kaplan University and is a past chapter president of NAHI. Lon holds a B.S. in Entomology and was the Belize Government Entomologist for two years. His background in construction includes custom homes and light commercial buildings, and remodels, additions, basement finishes, and burn-out rehabs, including 16 "fix-n-flips." Lon became a real estate agent in 1986 before starting his home inspection business. His specialty is HVAC training for home inspectors.

Jim Krumm
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Certified Master Inspector®

James Krumm is a Certified Master Inspector® and has been an InterNACHI® Colorado Chapter office and volunteer since 2008. The owner-operator of Best Home Inspections, he has more than 25 years’ experience in the real estate industry, and is an electronics specialist. He holds certifications from the AARST-NRPP in radon testing, and is a certified well inspector and water sampler. In addition to his more than 1,700 hours of training and Continuing Education, Jim holds a two-year degree from the Dunwoody College of Technology.

Britt Treece
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Certified Master Inspector®
& CCPIA Instructor

Britt Treece is a Certified Master Inspector® and has written more than 100 property condition assessments, walked over 6.5 million square feet of commercial property, and documented over $31 million in immediate and capital reserve costs. He owns and operates WBTreece Consultants, a commercial property inspection firm located in Raleigh, North Carolina, as well as Five Senses Inspector Training. Britt is also a member of CCPIA, the Certified Commercial Property Inspectors Association.

Rob Claus
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CCPIA Director & Instructor

Rob Claus is an Illinois-licensed home inspector and has been a professional inspector since 1988. He’s personally inspected more than 15,000 properties. Rob has held numerous industry-elected positions and has taught for some of the leading inspection education providers in the country, and has been a frequent presenter at national inspection conferences. In 2022, Rob assumed the role of Director of Education for CCPIA, the Certified Commercial Property Inspectors Association, helping create in-person classes and online courses.

Ray Kline
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Certified Master Inspector®

Certified Master Inspector® Ray Kline is based in Loveland, Colorado. He has worked as an electrician since 1973, obtaining his Master Electrician’s license in 1990. He operated his own electrical contracting firm and worked for various municipalities throughout his previous career, supervising ten crews at one point. Ray opened All Phase Inspections in 2011 and has performed more than 3,000 residential and commercial inspections to date. Ray is our lead instructor at the InterNACHI® School.

Bill Fabian
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Monroe Infrared

Monroe Infrared Vice President Bill Fabian has been providing infrared training, infrared inspection services, and infrared cameras to home inspectors and energy and maintenance professionals since 1986. He designs and teaches specialized infrared training courses to diverse audiences across the country. In 2013, Bill developed the Certified Residential Thermography (CRT) certification program specifically for home inspectors. The class is now recognized by almost every home inspection organization in the U.S.  He teaches Level I Certification classes through the Infrared Training Center.

John Gillam
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Licensed Real Estate Broker

John Gillam is a licensed real estate broker in Colorado and New Mexico, and has been a real estate educator for 14 years. He is also a private estate fiduciary, as well as a supervising broker for EXIT Realty Home & Ranch.

Keith Vreeken
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Keith Vreeken has over 24 years’ experience as an inspector throughout California. He is also a California-licensed general, electrical, and concrete contractor, and an ICC-Certified Residential Building Inspector, ICC-Certified Commercial Plumbing Inspector, Certified Fireplace and Chimney Inspector, and a Master Certified (CREIA) Inspector.

Julie Erck
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Certified Master Inspector®

With a background in home remodeling, Julie Erck started her home inspection business in 2017. She is an InterNACHI® Mentor and the Co-President of the Front Range Chapter of Colorado, as well as a Colorado-Licensed Radon Measurement Professional and an InterNACHI® Certified Radon Tester.

Jerry Eisenhour
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CVC Success Group

Jerry Isenhour is a recognized expert in the field of chimney sweep service, chimney repair service, solid fuel installations, industry standards of care, and other facets of chimney products and services, including hearth product retail sales and installation. Jerry serves as the lead coach for CVC Success Group and is the lead consultant for Chimney & Venting Consultants, which are divisions of CVC Coaching Inc., which he owns. He is also certified by the John Maxwell Group as a speaker, teacher and coach, as well as a sales coach under the Jeffrey Gitomer Group.

Ron Huffman
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Certified Master Inspector®

Certified Master Inspector® Ron Huffman, P.E., M.B.A., founded Huffman Inspections, Inc., in Colorado in 1989. He has performed more than 10,000 property inspections on residential and commercial properties in Colorado and Wyoming. He founded ESEC-Exteriors & Stucco Evaluation Consultants, Inc., in 1999, specializing in EIFS and stucco inspections and moisture intrusion analysis. Ron has over 45 years of experience in residential and commercial design, construction and inspection, and is author of the Stucco Identification Field Guide.

Dillon Winiecki
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Certified Professional Inspector®
& CCPIA Instructor

Dillon Winiecki is a certified commercial property inspector, Arizona-licensed home inspector, and InterNACHI® Training Partner. He owns Inspection Career Training Academy and Arizona Commercial Property Inspections, as well as the multi-inspector firm Protect Property Inspections. He was named the 2021 “Home Inspector of the Year” by the Arizona School of Real Estate and Business. Since 2012, Dillon has also been a firefighter-EMT and a hazardous materials technician.

Austin Jenkins
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Certified Master Inspector®

Austin “AJ” Jenkins is a Certified Master Inspector® in Johnson City, Tennessee, who has amassed millions of followers across multiple social media platforms, including TikTok, Facebook, Instagram, and YouTube. He has years of experience in heavy equipment operations and construction experience as a former engineer in the U.S. Army. Austin has been featured in major national news articles in The Observer, LADBible, BuzzFeed, Newsweek, FoxNews, Yahoo, and more.

Glen Matthewson
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Founder of

Glenn Mathewson started his construction career in 1996 and soon after started marketing custom decks to homeowners under Mathewson Carpentry.  In 2005, he became a building, plumbing, and mechanical inspector for the City of Westminster, Colorado, and later earned his Master Code Professional Certification. He then taught his first “Building Codes for Building Decks” class according to the 2006 IRC for the Deck Superstore at their contractor expo nearly every year since.  The trade journal The Professional Deck Builder began publishing his articles about decks and safety glazing codes. He has written more than 70 articles for that journal and its parent, The Journal of Light Construction. Glenn also teaches live and online classes for ICC chapters and trade shows across the country. 


- Home Inspections and U.S. Building Codes

- Stairway Building Codes, Section 311

Lance Coffman
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Certified Professional Inspector®
& CCPIA Instructor

Lance Coffman is the founder, alongside his wife Brit, of Forever Home Inspection and Focus Building Inspections based in Tulsa, Oklahoma. He is the CEO of Teaching and Education, Lead Inspector, Project Manager, and Certified Applicator. He has performed thousands of inspections in his career and coaches home and commercial inspectors across the country, as well as develops education for Realtors.

Taylor Vreeken
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Certified Master Inspector®

Taylor Vreeken became the youngest chairman of the State Board of the California Real Estate Inspection Association at age 29. He lives in San Luis Obispo, California, and has completed over 6,000 inspections.

Thomas Valosin
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Certified Master Inspector®

Certified Master Inspector® Thomas Valosin is the owner of ASKUS Consulting Services, LLC, located in Middleburgh, New York. He’s been a full-time licensed home inspector for nearly 20 years, with more than 12 years’ experience as a NYS-approved instructor, having authored 46 hours of state-accredited Continuing Education courses. He has founded and served as president of the NY Capital Region Chapter of InterNACHI®. He is certified by NEHA and AARST in various environmental and air quality testing and inspections, including radon, mold, VOCs, and Phase I Environmental Testing.


Solar Basics

Lisa Lotus
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Certified Professional Inspector®

Lisa Lotus is a Washington State-licensed home inspector and an InterNACHI® Certified Professional Inspector®. Lisa lives in Tukwila, Washington. Her background in information management and her eye for detail give her an edge in finding defects.

Joe Denneler
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General Counsel + Chief Claims
& Risk Management Officer

Joseph W. Denneler, Esq., is General Counsel and Chief Claims and Risk Management Officer for Elite MGA, LLC, and its captive insurer, Elite Re, Ltd., the first property and casualty insurance company built specifically to insure professional home inspectors. Joe oversees third-party administrators and the claims team for Elite and reviews every InterNACHI® home inspector’s claim submitted to Elite. Prior to joining Elite, he was a litigation attorney practicing in New Jersey and Pennsylvania for more than 20 years, working on behalf of insureds for multiple insurance carriers and also on behalf of insurers. Joe developed a niche practice representing home inspectors and other real estate professionals. He is intimately familiar with home inspection standards of practice, the evaluation of liability and potential damages in claims against inspectors, litigation budgeting, setting reserves, and claims resolution. Joe is a frequent lecturer on preventing and managing claims against home inspectors.

Mary Ayuso
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Certified Master Inspector®

Mary Ayuso is a Certified Master Inspector® with experience in home inspector instruction, administration and management.

Juan Garcia
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Certified Master Inspector®

Florida-licensed home inspector and mold remediator Juan Garcia is a Certified Master Inspector® and owner of the multi-inspector firm Same Day Inspection, along with a residential construction company that did over $1 million of business in its first year of operation. Juan has worked in some aspect of the homebuilding and real estate industries since 2002, following his eight-year service in the U.S. Army.

Michael Hesterberg
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The Drone Hangar LLC

InterNACHI® member Mike Hesterberg is a Certified ASHI inspector and has been inspecting for 28 years, with over 10,000 inspections to his credit. He has advanced certifications in commercial building inspections, new construction inspections, and EIFS and adhered stone veneer cladding inspections.  Mike is also a Certified Mold Inspector and Assessor, offering indoor air quality assessments and testing, as well as thermal imaging as a Level II Thermographer.  Mike sits on the board of directors of the Kentucky Real Estate Inspectors Association and is a founding member and current president of the Ohio Real Estate Inspectors Association. He also sat on the Joint Legislative Committee during the writing and implementation of the State of Ohio Home Inspector Law that went into effect in July 2019. He is also an instructor for the National Home Inspector Exam prep course presented by Hondros College in Ohio. Mike is a presenter at various inspection conferences, and has developed CE courses for professional education platforms, such as Cognificent Professional Learning Platform.

Kevin Hesterberg
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The Drone Hangar LLC

Kevin is an expert in flight dynamics and the technical construction of aircraft. He was trained in the U. S. Air Force as a Tactical Aircraft Maintenance Technician responsible for maintaining multiple F15c aircraft, and he served as a Crew Chief on an F-15 fighter wing in multiple missions and operations. Kevin has worked in his father’s home inspection business for the past 14 years and manages the company’s radon business. He is a Certified Residential Thermographer, Level 1 Thermographer, and a Level 1 SUAS Thermographer.  After obtaining his FAA Part 107 drone pilot’s license and becoming a certified drone repair technician, Kevin and his father started The Drone Hangar. They have performed more than 1,000 roof inspections on both residential and commercial buildings, and they also have a repair facility for drones, as well as an online drone store. The company now has 10 drones in its fleet, which includes the Matrice 300 RTK commercial drone. Kevin also serves as a drone instructor and speaker at events around the country.

Patrick Butler
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Certified Master Inspector®

InterNACHI® Certified Professional Inspector® and Certified Master Inspector® Patrick Butler is the owner and chief inspector at Tallgrass Home Inspector, a home inspection company based in Manhattan, Kansas, that specializes in residential and commercial property inspections, radon testing, mold inspections, sewer scope inspections, and healthy home inspections.

Larry Frace
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Certified Master Inspector®

InterNACHI® member and Certified Master Inspector® Larry Frace is owner of LCF Inspections, a full-service inspection company specializing in Pennsylvania building codes and all aspects of inspecting, as well as various environmental testing services. Larry has been in the inspection industry for nearly 40 years and holds a two-year degree in Electrical Construction and Electrical Technology. He is INPO-certified and previously developed and taught courses in electrical and plant maintenance for the nuclear power industry. He holds seven state licenses and has two companies: one for home inspections, and the other focusing on indoor environmental testing and remediation.

Curtis Kelley
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Owner of West Ivy Home Inspection

Curtis Kelley is a proud graduate of San Diego State University and the founder and CEO of West Ivy Home Inspection. Before that, he was the quality assurance manager and lead home inspector at another home inspection company in San Diego. Curtis has over a decade of experience in the home inspection and the real estate fields. His clients include eXp Realty, Redfin, Berkshire Hathaway, Coldwell Banker, and Century 21, as well as many boutique real estate brokerage firms. Curtis has completed over 4,500 home inspections, and has mentored and trained many fellow home inspectors.

Susan Bentley
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Bentley Home Inspections

Susan Bentley has been involved with America's Promise and MADD, and worked as an injury prevention coordinator, serving at the national level with all those organizations.  In 2015, she met Donnie Bentley, founder of Bentley Home Inspections, and became the company’s CEO. Susan's leadership extends to her involvement with InspectionGo (iGo), where she coaches the Leader's Edge initiative and heads H.I. Ladies, supporting women leaders in the inspection industry.

Will Colton
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Executive Broker

Since 2009, Executive Broker Will Colton has protected home inspectors nationwide by helping them find the best insurance policies for their business. As one of InspectorPro’s first employees, Will played an essential role in developing the relationships that made the company the largest home inspector insurance provider in the nation. Through countless speaking engagements at chapter meetings, national conferences, franchise conventions, and virtual gatherings, he has shared his knowledge concerning insurance fundamentals and risk management with inspectors everywhere.

Catherine Hall
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FHA 203k Consultant

The creator of the nationally recognized "203k in a Box” system, Catherine Hall has been a practicing FHA 203k Consultant since 1999 and has completed more than 500 consultations and mentored thousands of fellow consultants. In addition to having performed more than 3,000 home inspections as the founder and owner of Value Home Inspections, she is a certified FEMA Disaster Relief Inspector, a REAC Contract Inspector, a PA/DEP Lead Risk Assessor, a PA/DEP Radon Measurement Technician, and a PA/DEP Licensed Pest Control Operator. In 2001, Catherine started Value Termite and Pest Control to assist home buyers and sellers with pest control services.  She is the author of Major Purpose, Major Decisions:  The 7 Things to Know Before Hiring a Home Inspector, as well as Insights of a Successful 203k Consultant:  How to Have or Run a Trouble-Free FHA Renovation Project. Her newest book, “The Cracks Are Showing: How to Break Through to Success as a Woman in Male-Dominated Industries,” will be released in Fall 2023.

Interested in Becoming a Presenter at the 2024 Convention?

Fill out a quick application to provide us with some basic information about yourself ​and the workshop you would like to teach at the 2024 convention. 

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