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Sam Mar

Vice President, Office of the Co-Chairs

Headshot of Sam Mar
Todd Spoth

Sam develops and executes advocacy strategies that support Arnold Ventures' policy goals.

Before the formation of Arnold Ventures, Sam was the CEO of Action Now Initiative, a political advocacy organization founded by Laura and John Arnold. Prior to entering the field of philanthropy, Sam held various positions globally in technology consulting, banking, asset management, private equity, and product innovation.

Sam is a member of the advisory committee for the Electoral Reform Research Group at New America, the Nuclear Innovation Alliance, and a member of the Board at ClearPath. He is a graduate of the University of Texas and IE Business School.

When he is not working or struggling to keep his small children alive, Sam enjoys listening to country music, drinking bourbon, and roasting his own coffee.

Headshot of Sam Mar
Todd Spoth
Meet the Team



Arnold Ventures funds projects to understand problems and identify policy solutions.

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