Executive Management Robert A. Lang Chairman and Chief Executive Officer Robert A. Lang is Chairman and Chief Executive Officer of Lang Environmental, Inc.  Mr. Lang is responsible for overall corporate operations primarily focusing on long range financial and strategic planning. Currently, Mr. Lang is directing the company's strategic growth plan throughout the southeast U.S. Charles Mowat President - Chief Operating Officer Mr. Mowat is responsible for overall corporation operations, primarily focusing on daily company operations. Mr. Mowat also concentrates on strategic planning and positions the company for future growth.