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Executive Office

As Executive Director, Dr. Gilliam provides vision and leadership for the Buffett Institute, collaborating with university campuses and community partners to transform the lives of young children. His extensive research addresses critical issues such as preschool expulsions, workforce well-being, and the impact of early childhood policies on school readiness.
Kimberly Harper, Associate Executive Director for Operations, oversees the Buffett Institute’s operational functions to ensure organizational efficiency and success.

Kimberly Harper

Associate Executive Director for Operations

Renee Wessels provides executive leadership by aligning strategic goals with external partnerships, ensuring the Buffett Institute effectively communicates its research and advocacy to key stakeholders and the broader community.

Renee Wessels

Associate Executive Director for Strategy and External Affairs

Maria Guerrero provides essential administrative coordination and business analysis to support the executive leadership team at the Buffett Institute.

Maria Guerrero

Executive Assistant and Business Analyst for Executive Leadership

Communications

Dr. Meisels provides vision and strategic leadership at the Buffett Institute, guiding efforts to create comprehensive, high-quality early childhood systems that support the development and well-being of all children, particularly those at greatest risk.

Samuel J. Meisels

Founding Executive Director

Meisels is the founding executive director of the Buffett Early Childhood Institute, president emeritus of Erikson Institute, and a professor and research scientist emeritus at the University of Michigan. He retired from the Buffett Institute in 2023, concluding a career that spanned more than a half-century and established him as a leading voice in the field of early childhood education and development.