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Meet the H&P Staff

Guy Hopkins Semmes, CR

Founder & President

Guy SemmesGuy Semmes, has been a registered contractor in Maryland, the District of Columbia, and Virginia since 1975. His background in Archaeology inspired his interest in preserving and renovating old buildings. Mike Denker joined forces with Guy Semmes and together they founded Hopkins & Porter Construction in 1977. Mr. Semmes is an active member of the National Association of the Remodeling Industry (NARI), the Potomac Chamber of Commerce, and the Potomac Rotary. He was president of the Metropolitan Chapter of the National Association of the Remodeling Industry for 2 terms, and has been as a member of the National Board of Directors of NARI. Mr. Semmes participated in the founding of the Gudelsky Institute of Technical Education at Montgomery College in Rockville, and encourages all of his employees to further their education. Presently, he handles Marketing and Planning for Hopkins & Porter. Outside of Hopkins & Porter Guy cultivates his apiary of bees.


Michael Porter Denker, CR

Founder in memoriam

Mike Denker

In Memoriam: Michael Porter Denker (1946-2013)

Mike Denker graduated from Antioch College in 1970 with a BA in Fine Art. After a stint as a commercial artist in L.A. and 4 years above the Arctic Circle, working with Canadian Inuit, Mike joined forces with Guy Semmes in 1977. Mike earned his National Association of the Remodeling Industry’s “Certified Remodeler” status in 1988. Mike served as president of the Montgomery County Builders Association for two years, and received their John Brawner Memorial Award: Builder of the year 2001 and 2012 the only time this award was given twice to the same person. He pursued a passion for letterpress printing and was a member of American Printing History Association. He was President of H&P until his death on May 22, 2013.

As a customer of Hopkins & Porter you will be working closely with the following people.

Ray Hornsby  

Ray Hornsby

General Manager

As the new General Manager of Hopkins & Porter, Ray oversees his staff to take your dreams and turn them into reality. A great design is useless unless you can get it built on time and on budget. Ray has proven for nearly 30 years why Hopkins & Porter continues to be a leading home remodeler.

Kelly Thurman  

Kelly Thurman

Project Coordinator

With over 20 years of remodeling experience, Kelly understands all aspects of the remodeling process from the need for thoughtful design to the value of quality workmanship and materials. Kelly’s consultative approach and ability to listen will help guide you through the challenges that come with remodeling. 



Kai Tong, AIA

Senior Architect

With 25 years of experience as both an architect and builder for a demanding high-end custom residential clientele in Washington's finest neighborhoods, Kai makes your dreams take form with empathy, creativity, and a profound respect for the client and the process. A Chevy Chase native, Kai's insightful approach is attuned to the needs of both your project and its environs.

Green Certified Remodeler Logo



Lea Allen


With 25 years as a residential Architect and Designer Lea brings invaluable experience to every project she works on. Clients enjoy Lea's ability to listen to their desires and to create spaces filled with beautiful textures and designs that last a lifetime. Having the ability to design functional space with creative style while organizing every selection detail is a rare talent. Lea has a degree in Architecture from University of Maryland and has been with Hopkins & Porter for over ten years.