Our leadership

The ISO is led by an experienced Board of Governors and executive management team that set policies that ensure the reliable performance of the high-voltage electricity grid, open access to participants, and a transparent, competitive market for energy.

Executive team

California ISO Organizational Chart10/07/2022 13:50

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Elliot Mainzer President, and Chief Executive Officer	Mark Rothleder Senior Vice President, and Chief Operating Officer


Khaled Abdul-Rahman Vice President, Power System and Market Technology	Roger Collanton Vice President, General Counsel	Stacey Crowley Vice President, External Affairs


Anna McKenna Vice President, Market Policy and Performance	Neil Millar Vice President Infrastructure and Operations Planning	Ryan Seghesio Vice President, Chief Financial Officer and Treasurer


Joanne Serina Vice President, Stakeholder Engagement and Customer Experience	Dede Subakti Vice President, System Operations	Jodi Ziemathis Vice President, Human Resources

Board of Governors

Board of Governors Roster 3/01/2023 16:08

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Biographies

Severin Borenstein8/23/2022 14:49
Angelina Galiteva12/20/2021 15:22
Mary Leslie12/20/2021 15:22
Jan Schori8/23/2022 14:49

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Click here to go to the Board of Governors webpage.

Western Energy Imbalance Market Governing Body

Biographies

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Click here to go to the Western Energy Imbalance Market Governing Body webpage

Incorporation documents and policies

The ISO is a nonprofit public benefit corporation operating under these bylaws, incorporation documents and enabling legislation. Our employees and the Board of Governors are subject to clear and well defined codes of conduct and policies.