Leadership | NESDIS | National Environmental Satellite, Data, and Information Service

Our team is committed to our mission of providing timely and reliable environmental intelligence. Meet the people who help make it possible.

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Irene Parker

Acting Assistant Administrator, NESDIS

Photo of James Donnellon

James Donnellon

Deputy Assistant Administrator, NESDIS

Portrait of man in a suit

Timothy Walsh

Acting Deputy Assistant Administrator for Systems, NESDIS

Acting Chief of Staff, NESDIS

Acting Director, International and Interagency Affairs Office

Office of the Chief Financial Officer/Chief Administrative Officer, NESDIS

Office of the Assistant Chief Information Officer, NESDIS

Christian Rathke, CAPT

Director, Total Worker Health

Senior Scientist

Acting Director, Systems Architecture and Engineering

Acting Director, Office of Satellite and Product Operations

Kristen Tronvig

Performing the Duties of Director, Center for Satellite Applications and Research

Director, National Centers for Environmental Information

Heather Kilcoyne

Director, Office of Common Services

Director, Office of Geostationary Earth Orbit Observations

Performing the Duties of Director, Office of Low Earth Orbit Observations

Richard "Greg" Marlow

Director, Office of Space Weather Observations