Meet our team
Arnold Ventures is a group of more than 100 passionate people from all walks of life who feel a deep urgency to help people in need. Laura and John established the Laura and John Arnold Foundation in 2008 with a straightforward mission: to improve lives through evidence-based solutions. As co-founders, Laura and John actively engage in the organization’s overall direction and daily execution. Laura is an attorney and a former oil company executive. John is an investor. They have three children and reside in Houston, Texas.
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Roxanne Almaraz
Chief Operating Officer, General Counsel and Corporate Secretary
Charlie Anderson
Executive Vice President for Infrastructure
Laura and John Arnold
Founders and Co-Chairs
Elizabeth Banks
Chief Financial Officer and Treasurer
George Callas
Executive Vice President of Public Finance
Jennifer Doleac
Executive Vice President of Criminal Justice
Mark E. Miller
Executive Vice President of Health Care
Justin Milner
Executive Vice President of Evidence and Evaluation (he/him)
Jennifer Nelsen
Chief People and Culture Officer (she/her)
Kelli Rhee
President and Chief Executive Officer
Kirby Smith
Executive Vice President of Strategy and Programs
