Gary Reinecke

Acting COO at Sierra Club


Gary Reinecke has worked with and for the Sierra Club since 2007. Originally joining the organization as the first-hired Operations Coordinator serving the Communications Department, Gary has held a series of roles with progressive responsibility within both the Communications and Finance & Operations departments--most recently completing 4 years as Deputy COO--prior to becoming the Acting Chief Operating Officer in 2021. Before the Sierra Club, Gary worked in nonprofit operations and administration management in the LGBTQ/HIV social services and education equity arenas. He’s also worked in community organizing capacities for LGBTQ rights and the First Amendment’s promise for separation of Church and State. Gary spent his early childhood growing up within the Cuyahoga Valley National Park, developing a deep respect for our natural environment and the Indigenous peoples that called the area home before him. A graduate of the University of California, Santa Barbara, Gary holds a dual degree in Business Economics and Sociology, where he formed the foundation for committing his professional career in support of social justice and being in service of those he works alongside to achieve a better tomorrow.


  • Acting COO

    Current role

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