Executive Team

Meet the leaders who guide our journey forward.

Jill Tiefenthaler Headshot
Jill Tiefenthaler
Chief Executive
Michael L. Ulica Heasdshot
Michael L. Ulica
President and Chief Operating Officer
Shannon P. Bartlett Headshot
Shannon P. Bartlett
Chief Diversity, Equity, and Inclusion Officer
Crystal Brown Headshot
Crystal Brown
Chief Communications Officer
Mara Dell Headshot
Mara Dell
Chief Human Resources Officer
Ian Miller
Chief Science and
Innovation Officer
Alex Moen Headshot
Alex Moen
Chief Explorer Engagement Officer
Kara Ramirez Mullins Headshot
Kara Ramirez Mullins
Chief Advancement
Vicki Phillips Headshot
Vicki Phillips
Chief Education
Sumeet Seam Headshot
Sumeet Seam
Chief Legal
Jason Southern Headshot
Jason Southern
Chief Technology and Information Officer
Kim Waldron Headshot
Kim Waldron
Chief of
Kaitlin Yarnall Headshot
Kaitlin Yarnall
Chief Storytelling
Robert G. Young Headshot
Robert G. Young
Chief Financial
board of trustees

Meet the Board

Our organization is guided by a board of trustees comprised of international, distinguished educators, business executives, policy makers, and conservationists.

Jean M. Case Headshot
Jean M. Case
Chairman of the Board of Trustees
Katherine Bradley Headshot
Katherine Bradley
Vice Chairman
Brendan P. Bechtel
Afsaneh Beschloss
Afsaneh Beschloss
Ángel Cabrera
Ángel Cabrera
Elizabeth (Beth) Comstock
Elizabeth (Beth) Comstock
Jack Dangermond Headshot
Jack Dangermond
Joseph DeSimone Headshot
Joseph DeSimone
Alexandra Grosvenor Eller
Alexandra Grosvenor Eller
Kevin J. Maroni
Strive Masiyiwa Headshot
Strive Masiyiwa
Mark C. Moore
Mark C. Moore
George Muñoz Headshot
George Muñoz
Nancy E. Pfund Headshot
Nancy E. Pfund
Lyndon Rive
Lyndon Rive
Edward P. Roski, Jr.
Edward P. Roski, Jr.
Frederick J. Ryan, Jr. Headshot
Frederick J. Ryan, Jr.
Rajiv Shah
Rajiv Shah
Ellen Stofan Headshot
Ellen Stofan
Jill Tiefenthaler Headshot
Jill Tiefenthaler
Anthony A. Williams Headshot
Anthony A. Williams
Tracy R. Wolstencroft
Tracy R. Wolstencroft

Photo Credits from top of page: Renan Ozturk. Below: Michael Nichols, Andy Mann, Paul Nicklen, Ami Vitale, Christian Tryon, Kenneth Garrett, Mark Thiessen.

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