Our Team

NGSA’s staff members work on natural gas producer-marketer issues that impact our customers.  We educate and advocate for well-functioning, competitive markets.  We are dedicated to achieving a cleaner future through strong partnerships with renewables and supporting innovative technologies and market solutions that reduce emissions.

Dena E. Wiggins

President and CEO

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Dena E. Wiggins is President and CEO of the Natural Gas Supply Association (NGSA), representing major integrated and independent natural gas producers in the U.S. She joined NGSA in 2014.

Carol Butler

Executive Assistant to the President & Office Manager

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Carol Butler is the Executive Assistant to NGSA’s president and is also NGSA’s Office Manager and Meetings Coordinator. She joined NGSA in 2012.


Katharine Ehly

Senior Policy Advisor

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Katharine Ehly is the Senior Policy Advisor for the Natural Gas Supply Association (NGSA) and Center for LNG (CLNG). She joined NGSA in 2018.



Casey Hollers

Senior Director, Regulatory Affairs and Policy

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Casey Hollers is the Senior Director of Regulatory Affairs and Policy for the Natural Gas Supply Association. She joined NGSA in 2014.


Patricia Jagtiani

Executive Vice President

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Patricia W. Jagtiani is Executive Vice President of the Natural Gas Supply Association (NGSA).


Daphne Magnuson

Vice President of Strategic Communications

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Daphne Magnuson is vice president of strategic communications for the Natural Gas Supply Association and the Center for LNG (CLNG). She joined NGSA in 2009 and expanded communications responsibilities to include CLNG following its merger with NGSA in 2016.


Hinson Peters

Director of Strategic Communications

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Hinson Peters is a director of strategic communications for the Natural Gas Supply Association and the Center for Liquefied Natural Gas. He joined NGSA and CLNG in 2017.


Charlie Riedl

Executive Director, Center for LNG and Vice President, NGSA

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Charlie Riedl is the Executive Director for the Center for Liquefied Natural Gas (CLNG), focused on effectively advocating on behalf of the LNG industry.


Maura Seikaly

Vice President of Strategic Communications

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Maura Seikaly is Vice President of Strategic Communications for the Natural Gas Supply Association (NGSA). Maura builds and manages NGSA’s reputation as a global media voice and leader on natural gas industries and policies.

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