Dan J. Wittliff

Dan J. Wittliff, Managing Director of Environmental Services at GDS Associates, Inc., has been recognized by Marquis Who’s Who Top Engineers for dedication, achievements, and leadership.

Udaya Halabe

Dr. Udaya Halabe, Civil Engineering Educator and Researcher at West Virginia University, has been recognized by Marquis Who’s Who Top Engineers for dedication, achievements, and leadership in the field of civil engineering.

Tom Tsai, PhD

Tom Tsai, PhD, Retired Lead Process Engineering Manager with the Dow Chemical Company, has been recognized by Marquis Who’s Who Top Engineers for dedication, achievements, and leadership in Chemical Engineering.