Mr. Gammill practices in the Private Client Services Group specializing in residential and commercial real estate transactions and financing as well as zoning and land use matters. He is currently admitted to practice in Connecticut and New York. Mr. Gammill is a member of the Greenwich, Regional, Connecticut, New York and American Bar Associations. Mr. Gammill graduated from the Taft School, Hamilton College in 1990, and received his law degree from Vermont Law School cum laud in 1995.

In addition to his private practice, Mr. Gammill has served on various Boards throughout the area and is currently a member of the First Presbyterian School Board, a member of the Hamilton College Alumni Association, and is the current President of the New Canaan Winter Club.