Mark Walker received his Associates Degree from Vermont Technical College in Civil Engineering in 1999. Mr. Walker has been with Dufresne Group since May 2005. He has 8 years of AutoCad Land Desktop and Survey Crew Chief experience. Mr. Walker is in charge of all the land surveying operations at DG including; topographic surveys, level runs and construction staking and control. He has a broad range of experience within the civil engineering realm such as base mapping, roadway design, and site layout. Mr. Walker has been crucial to many project throughout his time at Dufresne Group, some of which include the St. Johnsbury, Vermont water system, Peterborough, NH water system and numerous septic designs.