What does mwh global do? MWH Global Inc. Is a global water and natural resources firm, providing technical engineering, construction services and consulting services. In 2016, MWH was acquired by Stantec Consulting Inc. The firm provided planning, design and construction management services for a wide range of water and natural resources projects around the world.Who is the ceo of mwh? A registered Professional Engineer and General Contractor, Lavoie is President and CEO of MWH Constructors, a top-tier, global construction company in the water and wastewater industry. Lavoie also provides direction and leadership to Slayden in the United States and MWH Treatment in the United Kingdom.Who are the members of mwh contractors? MWH Constructors is comprised of MWH Constructors and Slayden in the U.S. and MWH Treatment in the U.K. Leadership. A registered Professional Engineer and General Contractor, Lavoie is President of MWH Constructors, a top-tier, global construction company in the water and wastewater industry.Who is mitmwh global? MWH Global Inc. Is a global water and natural resources firm, providing technical engineering, construction services and consulting services.