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 202-805-5057 to be directed.

Malcolm Woolf
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Malcolm Woolf

President and CEO
Marla J. Barnes
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Marla J. Barnes

Vice President of Member and Industry Engagements
Kimberly Costner
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Kimberly Costner

Director of Operations
Michael Purdie
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Michael Purdie

Director of Regulatory Affairs and Markets
Barbara Bauman Tyran
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Barbara Bauman Tyran

Director of External Relations
Chris Hayes
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Chris Hayes

Senior Advisor of Technical Programs and Training
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 Blanco Hadjimichael, CMP
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Francesca Blanco Hadjimichael, CMP

Director of Meetings and Events
Joseph LoSasso
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Joseph LoSasso

Director of Corporate Partnerships and Senior Manager of Industry Engagement
Brittney May
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Brittney May

Legislative Affairs Manager
Kelly Rogers
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Kelly Rogers

Program Manager
Jeremy Chase-Israel
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Jeremy Chase-Israel

Content Development Specialist
Catherine Ryan
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Catherine Ryan

Data Systems Specialist
Ellie Rubalow
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Ellie Rubalow

Events Specialist
Connor Nelson
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Connor Nelson

Regulatory and Market Affairs Specialist
Allyson Travis
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Allyson Travis

Administrative Assistant
Aaron David Hernandez
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Aaron David Hernandez

Operations Assistant

2025 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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Eric Van Deuren
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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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Sarah Kulpa
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Sarah Kulpa

Secretary

Sarah is the South Atlantic Area Resources Business Group Manager at HDR. In this role, she is tasked with…

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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 is the President and Chief Executive Officer of the National Hydropower Association.Woolf comes to NHA after decades…

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Pam Sullivan
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Pam Sullivan

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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