Carl has been an Audubon member since 2002. He credits Bill Stott’s Ornithology class for getting him actively involved in ASNV. In addition to serving on the Board of Directors, he has been a member of the Education Committee and the Conservation Committee, and has worked extensively with Carolyn Williams on the Northern Virginia Bird Survey, including the initial 10 year trend analysis. He is an active Audubon at Home Ambassador, and is active in the Fairfax Master Naturalists. He retired from the US Department of Justice in 2012.