Marc Mantha, P. Eng.
H2O Power, Vice President & General Manager, Canadian Operations
Marc Mantha has over 34 years experience in operations, engineering and planning in the waterpower, transmission and distribution sectors.

Prior to joining H2O Power, Marc previously held progressive engineering and management positions with Ontario Hydro and AbitibiBowater.

Marc is a graduate of the University of Ottawa with a Bachelor of Applied Sciences in Electrical Engineering and is a licensed professional engineer. He is also a founding member of the Ontario Waterpower Association and has held various positions on the Board of the OWA since its inception.

Stephen Somerville
H2O Power, Vice President, Regulatory and Stakeholder Relations, Canada
Stephen has nineteen years of demonstrated success in all aspects of the acquisition, development, operation, asset management and financial closing of power generation assets, across Canada, the United States and in Europe.

Stephen leads and executes H2O Holding’s growth strategy; he is responsible for the acquisition, development and financing of hydroelectric projects across North America.

Prior to this Stephen, was a Vice President with Competitive Power Ventures, Inc. where he was responsible for the development of large scale natural gas-fired generation projects (and the associated pipeline and transmission line) as well as wind development projects across Canada.

Stephen also spent eight years as an investment executive with Probyn & Company and the Clean Power Income Fund financing infrastructure and renewable energy projects across North America and in Europe.

Board Member – Association of Power Producers of Ontario and the Ontario Water Power Association.

Stephen holds an MBA from the University of Toronto and an Honours B.A. degree in Economics from the University of Waterloo.