About National Hydropower Association
Who We Are
The National Hydropower Association (NHA) is a nonprofit association dedicated exclusively to promoting the growth of clean, renewable hydropower and marine energy.
Staff

Joseph LoSasso
Director of Corporate Partnerships and Senior Manager of Industry Engagement
2024 Executive Committee

Pam Sullivan
Chair
Pam Sullivan is the Chief Operating Officer of American Municipal Power (AMP). Sullivan also serves as president of AMP…
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Chris Rousseau
Co-Vice Chair
Christopher Rousseau is the Hydro and Renewable Energy Market Leader at J.F. Brennan Company. Prior to joining J.F.…
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Heidi Wahto
Co-Vice Chair
Heidi is an advocate for hydropower with more than 25 years' experience providing legislative, policy, regulatory and environmental services…
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Eric Van Deuren
Treasurer
Eric has spent 33 years in the hydro industry, primarily in engineering and most recently in Operations and Maintenance.…
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Sharon White
Secretary
Sharon White is a Partner at Rock Creek Energy Group, LLP, based in Washington, DC. Sharon represents a broad range…
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Jim Hancock
GENERAL COUNSEL
Jim Hancock is a Partner at Balch and Bingham. He is serving as the NHA Board General Counsel.Jim Hancock has…
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Malcolm Woolf
President and CEO
Malcolm Woolf is the President and Chief Executive Officer of the National Hydropower Association.Woolf comes to NHA after decades…
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Mike Haynes
Past Chair
Mike Haynes is the Interim General Manager/Chief Executive Officer for Seattle City Light.Mike has overseen City Light’s generation and…
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2024 Board of Directors
- Carl Atkinson, Voith Hydro
- Suzanne Biddle, Tennessee Valley Authority
- Suzanne Grassell, Chelan County Public Utility District
- Scott Hennessey, Brookfield Renewables
- Sarah Kulpa, HDR
- Kelly Larimer, Kleinschmidt Associates
- Jillian Lawrence, Hull Street Energy LLC
- Jeff Leahey, SMI
- Chris Mattson, Tacoma Power
- Alan Michaels, New York Power Authority
- Megan Nesbitt, ANDRITZ Hydro Corp.
- Preston Pierce, Duke Energy
- Christopher Rousseau, Co-Vice Chair, J.F. Brennan Company, Inc.
- Charles Sensiba, Troutman Pepper
- Thomas St. John, Southern Company
- Pam Sullivan, Chair, American Municipal Power
- Justin Trudell, FirstLight Power
- Eric Van Deuren, Treasurer, Pacific Gas and Electric Company
- Heidi Wahto, Co-Vice Chair, Stantec
- Sharon White, Secretary, Rock Creek Energy Group