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
2021 Executive Committee

Jay Anders
Chair
Mr. Anders is the Associate VP and Deputy Director for the Black & Veatch Hydropower and Hydraulic Department and…
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Mike Haynes
Vice Chair
Mike Haynes is the Chief Operating Officer for Seattle City Light.
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David Culligan
Treasurer
Dave serves as a vice president and managing principal of our Syracuse, New York, office. As both owner and…
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Mike Manwaring
SECRETARY
Michael Manwaring is a passionate advocate for hydropower, pumped storage and other energy storage technologies. He has over 20…
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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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Alvin Thoma
IMMEDIATE PAST CHAIR
Alvin Thoma is a Director with Pacific Gas and Electric Company. PG&E’s hydro system is one of the largest…
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2021 Board of Directors
- Carl Atkinson, Voith Hydro
- Jay Anders, Chair, Black & Veatch
- David Culligan Treasurer, HDR INC
- Suzanne Grassell, Chelan County PUD
- Mike Haynes, Vice Chair, Seattle City Light
- Scott Hennessey, Brookfield Renewables
- Randy Herrin, Duke Energy
- Herbie Johnson, Past Chair, Southern Company
- Jeff Leahey, SMI
- Michael Manwaring, McMillen Jacobs Associates
- Andrew Munro, Grant County PUD
- Debbie Mursch, Secretary, GE Renewables
- Christopher Rousseau, Minnesota Power
- Charles Sensiba, Troutman Sanders
- Mary Gail Sullivan, Northwestern Energy
- Pam Sullivan, American Municipal Power
- Alvin Thoma, Chair, Pacific Gas & Electric
- Heidi Wahto, Stantec
- Sharon White, Rock Creek Energy Group
- Malcolm Woolf, President & CEO, NHA
- Jose Zayas, Eagle Creek Renewable Energy