Currently, Representative Martin serves as the Chairman to the House Higher Education Committee. He also serves on the Appropriations, Budget & Fiscal Affairs Oversight Committee, Energy, Utilities, & Telecommunications, Regulated Industries, Retirement, Rules, Science & Technology, and Ways & Means committees. Additionally, he serves on the House Working Group for Creative Arts & Entertainment. In previous sessions, Representative Martin served as the Vice Chairman of the House Appropriations Subcommittee on Public Safety and Chairman of the Budget & Fiscal Affairs Committee.

In August of 2010, Representative Martin was elected Chairman of Energy and Environment of the Southern Legislative Conference by his fellow legislators from across the Southern United States.

Following the 2007 Session, Representative Martin was named by the Georgia Chamber of Commerce and separately by the Technology Association of Georgia as "2007 Legislator of the Year." He was also recognized for Legislative Leadership by the Association of County Commissioners of Georgia.

After the 2008 Session, he was recognized by the Georgia Association of Fire Chiefs and the Georgia State Firefighters Association as "2008 Legislator of the Year." Upon the conclusion of the 2010 Session, Representative Martin was named by Technology Association of Georgia as "2010 Legislator of the Year." Additionally, Assisted Living Federation of America (ALFA) recognized him with their first ever "Statesman Award" given nationally, for his dedication to seniors across America. Georgia ALFA also named Representative Martin "2010 Legislator of the Year" for his specific work in Georgia advocating for seniors' rights in the state.

Prior to his legislative service, Representative Martin served the people from his district in many other capacities. From 1993 to 1995, he was a member of the Alpharetta City Council.

The following year, he was elected as Alpharetta Mayor, and held that position until 2002 when his membership in the Georgia General Assembly began.

He is a 1996 graduate of the Regional Leadership Institute, a member of the Regional Leadership Foundation, the Alpharetta Optimist Club, and Lions Club. In addition, Representative Martin served as President of the Milton Touchdown Club from 2003 to 2004.

Representative Martin was born and raised in Alpharetta and graduated from Milton High School. He attended The University of Georgia, where he earned a B.B.A. in Management Science in 1983. He then pursued a career in Information Technology and Real Estate Consulting. Representative Martin is currently a Director with Ryan, LLC.

Representative Martin and his wife, Johnna, have two sons. Miles, 31, and Lance, 29, both graduated from the University of Georgia. Martin took an active involvement in their childhood and enjoys coaching youth activities such as baseball, football, basketball, and golf. Miles is a career educator and coaching currently working in the Hall County School System. Lance, a director with ALDI, and his wife Mary Beth (Brown) live in North Carolina with their 3-year-old twins, a boy and a girl. The Martins are members of Macedonia Baptist Church in Canton.