John Ackerman

John R. Ackerman, PE, PG, BCEE, F.NSPE, F.ASCE, Managing Principal at Twin Oaks Consulting and President of Twin Oaks Water Systems, Inc., has been recognized by Marquis Who’s Who Top Engineers for dedication, achievements, and leadership in environmental engineering.

Thomas F. Zimmie, Ph.D.

Thomas F. Zimmie, Ph.D., Professor of Civil and Environmental Engineering at Rensselaer Polytechnic Institute, has been recognized by Marquis Who’s Who Top Engineers for dedication, achievements, and leadership in engineering and higher education.