Meghan Zehringer

Title: Corporate Environmental Engineer Company: National Gypsum Co. Location: Charlotte, North Carolina, United States Meghan Zehringer, corporate environmental engineer for the National Gypsum Co. has been recognized by Marquis Who’s…

Joseph W. Guida

Title: Process and Environmental Engineering Consultant Location: Monmouth, Oregon, United States Joseph W. Guida, Process and Environmental Engineering Consultant, has been recognized by Marquis Who’s Who Top Engineers for dedication,…

Isamu Ohta, PhD

Title: Energy Engineer, Environmental Engineer Company: Misawa Homes Institute of Research and Development Co. Ltd. Location: Tokyo, Japan Isamu Ohta, PhD, Energy Engineer and Environmental Engineer at Misawa Homes Institute…

Xu Xianmin

Title: Founder, General Manager, Corporate Representative Company: Shanghai Shangqiang Environmental Technology Company Limited Location: Songjiangqu, Shanghai, China Xu Xianmin, Founder, General Manager and Corporate Representative at Shanghai Shangqiang Environmental Technology…

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.