Meet Our team

Gregory graduated from Associated Builders and Contractors Inc. in 1990. He has his MD HVAC Master License, WV HVAC Master License, MD Statewide Electrician Journeyman License, MD EPA Certification and First Grade Stationary Engineer License. Gregory founded G&M Heating and Air Conditioning, Inc. in 2005. With over 30 years experience, he is well known and respected for his quality work. Greg enjoys staying busy and occasionally hunting with his son. Greg is very hard working and a great person all around.

Colby graduated from Lincoln College of Technology in 2010 for HVAC. Colby has been working with G&M Heating and Air Conditioning, Inc. along side his father (Gregory) since 2006.  He has his MD HVAC Master License, WV HVAC Master License, MD Statewide Electrician Journeyman License, EPA Type I & II Certificate and GEO Thermal Service Certificate. Colby enjoys everything hunting and spending time with his family. He is also a diehard Ravens fan and loves going to games. Colby is an indispensable part of our team.

Danyele, Colby's wife, joined the G&M team in 2024 with 14 years office experience in billing. Her responsibilities include billing and receivables, payroll, dispatch and much more to ensure efficient daily operations. Danyele loves spending time with her family, everything beauty and loves anything Halloween/horror related. Danyele is a quick learner and willing to pitch in and help wherever needed. Quite frankly, we don’t know where we would be without her! 

Robin, Greg's wife, has been working alongside Greg since 2005. She is responsible for the financial health of the company.  She oversees end-to-end finance operations and financial planning. Robin enjoys spending time with her grandchildren, going to the beach, bingo and going to concerts. She is a realist and keeps the team sensible, reasonable and grounded. We're lucky to have such a hardworking person as part of our team. Her work has not gone unnoticed.