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

To reach the NHA staff by telephone, please call (202) 897-8580 to be directed. Click on a staff member to reach them via email.

Malcolm Woolf
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Malcolm Woolf

President and CEO
Marla J. Barnes
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Marla J. Barnes

Senior Vice President of Member and Industry Engagements
Chris Hayes
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Chris Hayes

Vice President of Technical Programs and Training
Kimberly Costner
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Kimberly Costner

Director of Operations
Copeland Tucker
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Copeland Tucker

Director of Public Affairs
Matthew Allen
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Matthew Allen

Director of Legislative Affairs
Francesca Hadjimichael, CMP
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Francesca Hadjimichael, CMP

Director of Meetings and Events
Kelly Rogers
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Kelly Rogers

Senior Program Manager
Connor Nelson
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Connor Nelson

Manager - Regulatory Affairs and Markets
Jeremy Chase-Israel
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Jeremy Chase-Israel

Industry Communications Manager
Catherine Ryan
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Catherine Ryan

Data Systems Manager
Alex Clune
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Alex Clune

Account Manager
Erika Ose
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Erika Ose

Legislative Affairs Manager
Jenna Zabarah
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Jenna Zabarah

Program Manager
Caroline Herman
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Caroline Herman

Meetings and Events Manager
Allyson Travis
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Allyson Travis

Program Assistant
Aaron David Hernandez
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Aaron David Hernandez

Operations Assistant

2026 Executive Committee

Alan Michaels
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Alan Michaels

Chair

Alan was born and raised in the Erie Canal town of Pittsford, a suburb of Rochester, New York. After…

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Heidi Wahto
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Heidi Wahto

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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Suzanne Biddle
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Suzanne Biddle

Treasurer

Suzanne Biddle is Director of Hydro Generation at the Tennessee Valley Authority. She is responsible for the operation of…

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Chris Rousseau
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Chris Rousseau

Secretary

Christopher Rousseau is Vice President of Power Generation at WSB. Chris brings a well-rounded perspective to the WSB Power…

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Jim Hancock
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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
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Malcolm Woolf

President and CEO

Malcolm Woolf leads the National Hydropower Association (NHA), the national trade association representing America’s water power industry as its…

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Pam Sullivan
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Pam Sullivan

Immediate Past Chair

Pam Sullivan is the Chief Operating Officer of American Municipal Power (AMP). Sullivan also serves as president of AMP…

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National Hydropower Association