Our Contributors


Chuck Morgan

Vice President of Site Construction, Clayton Homes

Chuck Morgan has been in the manufactured housing business since 1991. Starting out as an independent business owner installing and refurbishing manufactured homes until 1997, Chuck then moved into the retail side of manufactured housing as a salesman, sales manager, general manager, Regional VP, Zone VP, and VP of Operations. He is currently the VP of Site Construction, heading up a new venture for Clayton Homes to elevate the quality of home installations. Chuck is a graduate of the University of Tennessee with a BS and MBA in business, marketing, and finance, is certified manufactured home installer in the state of Tennessee, and is active with various state associations as well as MHI, the industry's national trade association.


David Tompos

President/CEO, NTA, Inc.

David A. Tompos, LEED AP BC+D, became president and CEO of NTA and has the responsibility of the overall strategic vision and direction of the company. He also oversees all government relations, including NTA’s involvement with HUD and state agencies. David studied at Purdue University and holds a bachelor of science degree in computer and electrical engineering. After graduating in 1998, David started his career at NTA as director of testing services at the NTA Testing Laboratory. During this time, he gained a thorough understanding of manufactured housing testing procedures, inspection, product evaluation, and in-plant quality control. While serving as director of testing services, David also pioneered the development of the industry’s first electronic plan review software, eDAPIA. This advanced software revolutionized the process of third party design review by eliminating the delay in the traditional mail process and saving manufacturers considerable time and money. Before leaving the director of testing services position, David started the testing laboratory on a path to its current International Accreditation Service ISO recognition.


Emanuel Levy

Executive Director, Systems Building Research Alliance

Since its inception in 1995, Mr. Levy has served as Executive Director for the Systems Building Research Alliance, a membership-based non-profit organization that serves as the national research and development arm of the factory-built housing industry. SBRA annually administers a multi-million dollar research budget and has become a major force in the housing industry, spearheading developments in new technologies and manufacturing methods. Among SBRA’s responsibilities is quality control oversight of the Manufactured Housing ENERGY STAR® program, acting on behalf of US EPA. Mr. Levy also serves as team lead for the Advanced Residential Integrated Energy Solutions (ARIES) consortium, one of the ten interdisciplinary teams organized under the U.S. Department of Energy’s Building America program. ARIES was created to accelerate the development and commercialization of innovative and cost-effective approaches for dramatically reducing energy use of the nation’s affordable housing, both existing and new.


Gavin Mabe

Director of HUD Engineering and Technology, Clayton Homes

Gavin Mabe is the Director of HUD Engineering and Technology for Clayton Homes. He has 17 years of experience with Clayton Homes. He leads a team that provides structural engineering, thermal, and HVAC design support to the 40 Clayton Homes manufacturing facilities building HUD Code homes. In addition, he is responsible for Smart Home technology implementation, Manufacturing technology and automation, and Engineering Research and Development. Gavin earned a degree in Mechanical Engineering from the University of Tennessee at Knoxville.


George Porter

President, Manufactured Housing Resources

George Porter is the President of Manufactured Housing Resources and Specializes in manufactured housing installation training and certification. He has nearly 50 years of experience in the industry. George developed and instructed the first course of installation training, the first state certification and training program for installer licensing, and developed the first trade school program for the training of installers and repair technicians. He also authored the first manual for training of installers, as well as the first manual for complete training of repair technicians.


John Weldy

Director of Engineering, Clayton Home Building Group

John Weldy has more than twenty-six years of experience working in the manufactured housing industry and has been serving as Clayton Homes Director of Engineering since 2005. He began his career at NTA following graduation from Purdue University with a Bachelor’s of Science Degree in Civil Engineering. While with NTA John served as a structural engineer, Director of Testing Services, DAPIA coordinator and Director of DAPIA Services. Mr. Weldy is a Registered Professional Engineer (Civil & Structural) in thirty-nine states, holds the International Code Council (ICC) certifications for residential inspection for all disciplines. John just finished serving on the Department of Housing and Urban Development’s Manufactured Housing Consensus Committee (MHCC) where he has served as chairman of the Technical systems subcommittee, as well as chair of several Task Force groups. He is an active member of the Manufactured Housing Institute, and serves on the Technical Activities Committee. John was honored with the 2017 MHI Frank Walter Standards Award. He lives in Indiana with his wife of 25 years and has a daughter and two sons.


Martin Montgomery

Principle Professional Engineer & Owner, RCS Enterprises, LP

Martin is the Principle Professional Engineer and Owner of RCS Enterprises, LP. RCS is an Engineering and Inspection firm located in Allen, Texas and is currently registered in 15 states. RCS services include, developing engineered foundation designs, structural designs, and MEP (mechanical, electrical and plumbing) designs related to Single Family, Multi-Family, Commercial and Government projects for Modular, Manufactured and Site Constructed projects. RCS conducts thousands of inspections each year on new Manufactured and Modular home installations.


Tom Rehrig

Director of Product & Industrial Engineering, Clayton Home Building Group

Tom is a graduate of the United States Naval Academy and has a Master’s Degree in Engineering Management. He came to Clayton Homes after spending 22 years in the United States Marine Corps as a Combat Engineer Officer. He has been with the Home Building Group since 2000 and has been the Director of Engineering, Plant and General Manager at Hodgenville Home Building Facility, and Special Projects Manager. He provides technical support, project management, research, training, and building science support. He has managed Manufactured home, Modular home, FEMA, and Commercial projects. Tom was a contributor to several Systems Building Research Building Alliance projects such as ENERGY STAR®, FEMA, and the Installation Manual that was developed as a template used by most manufacturers. Tom was also a Commissioner, Ohio Manufactured Home Commission for 6 years.


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