David Mahler Environmental, Health and Safety (EHS) Manager and ConsultantZephyr Environmental Corp.Mr. Mahler has over 33 years of experience as an Environmental, Health and Safety (EHS) Manager and Consultant. Prior to joining Zephyr Environmental Corp. in 2008, he managed EHS compliance at chemical facilities owned by Sasol North America, Inc., Vista Chemical Company and Conoco Inc. His areas of expertise include regulatory analysis, compliance management, development of environmental management systems and environmental auditing. He received a B.S. in Chemical Engineering from the University of Michigan in 1978.