Mark helps attorneys and citizens make effective use of scientific information to defend the environment. Mark received a Bachelor of Science degree in biochemistry from the University of Massachusetts at Amherst and a Ph.D. in biochemistry from Johns Hopkins University. His work has been published in the Proceedings of the National Academy of Sciences, U.S.A, and the Journal of biological Chemistry. Mark received his law degree from the University of Oregon School of Law in May 1993, and has worked on litigation challenging pollution from pulp mills in the Pacific Northwest. He joined ELAW in 1992. Mark's work has taken him to Asia, Latin America, Eastern Europe, and the Middle East.