John Sohl is President and CEO of Columbia Technologies and a Director of Columbia Technologies do Brasil Ltda, both global technology firms. He has managed over 2,000 high-resolution and direct sensing projects around the world over the past twenty-five years. John holds three U.S. and two international patents involving direct sensors and the use of real-time information systems. He is a 1972 graduate of the U.S. Naval Academy with a B.S. in Engineering and holds a M.B.A. from Chaminade University of Honolulu. John is a member of ASTM International and the Sustainable Remediation Forum.