Founded in 1907, WSPA is the oldest petroleum trade association in the United States.
Western States Petroleum Association (WSPA) is a non-profit trade association that represents companies that account for the bulk of petroleum exploration, production, refining, transportation and marketing in the five western states of Arizona, California, Nevada, Oregon, and Washington. WSPA’s headquarters is located in Sacramento, California. Additional WSPA locations include offices in Torrance, Concord, Ventura, Bakersfield, and Olympia, Washington.
WSPA is dedicated to ensuring that Americans continue to have reliable access to petroleum and petroleum products through policies that are socially, economically and environmentally responsible. We believe the best way to achieve this goal is through a better understanding of the relevant issues by government leaders, the media and the general public. Toward that end, WSPA works to disseminate accurate information on industry issues and to provide a forum for the exchange of ideas on petroleum matters.
Arizona
Nevada
California
Oregon
WASHINGTON
Meet Our Staff

Catherine Reheis-Boyd
President and CEO
Jodie Muller
Senior Vice President, Government Affairs and Chief Operating Officer
Steve Slakey
Vice President, Chief Financial Officer and Treasurer
Sophie Ellinghouse
Vice President, General Counsel and Corporate Secretary
Shant Apekian
Vice President, California Policy and Regulatory Affairs
Kevin Slagle
Vice President, Strategic Communications
Bob Brown
Senior Director, Bay Area and California Regional Affairs
Paul Deiro
Senior Director, California Policy
Tanya DeRivi
Senior Director, Climate Policy
Zachary Leary
Senior Director, California Policy
Mark Nechodom
Senior Director, Upstream Strategy
Suzanne Noble
Senior Director, Production Operations
Patty Senecal
Senior Director, Southern California Operations
Jessica Spiegel
Senior Director, Northwest Regulatory and Legislative Policy
Jim Verburg
Senior Director, Fuels Policy
Julie Berge
Director, Strategic Communications
William Ferrari
Director, Information Technology
Shannon Fulmer
Director, Human Resources
Kara Greene
Director, Strategic Communications
Argelia León
Director, Strategic Partnerships and Southwest Policy
Sarah Taylor
Director, Associate Counsel
Antonio Machado
Senior Manager, Northwest Technical
Ben Oakley
Senior Manager, State and Coastal Issues
Kevin Buchan
Senior Manager, Bay Area Regulatory Affairs
Ramine Cromartie
Senior Manager, Southern California Regulatory Affairs
Elke Vickers
Senior Accounting Manager
Christine Luther Zimmerman
Senior Manager, San Joaquin Valley Region
Shobna Gay
Senior Coordinator, Information Technology
Sophia Steele
Senior Manager, Northwest Region
Fabian Urbina
Coordinator, California Policy
Deneal Hooper
Accounting Clerk
Erin Mobley
Senior Administrative Assistant