Tulsa Global Alliance Staff

Micah Keyan

Micah Keyan
Executive Director

A lifelong Tulsan and longtime Tulsa Global Alliance supporter, Micah’s journey with TGA began in 2014. Before becoming Executive Director, Micah served as TGA’s Chair for the Tulsa-Utsunomiya, Japan Sister City Partnership, Vice Chair of Sister Cities, and interim Sister Cities Program Coordinator. Prior to joining TGA staff, he held various positions at Holland Hall, PennWell Corporation, and Apple. Micah holds a B.S.B.A. from the University of Tulsa and an A.A. in Japanese Language and Culture from Tulsa Community College.

Bob Lieser

Bob Lieser
Senior Director of Citizen Diplomacy

A native Tulsan, Bob has been on the TGA staff since 1998. He coordinates the schedules for international visitors to Tulsa through the U.S. Department of State International Visitor Leadership Program, and Community Connections, Open World, Youth Ambassadors, and Sister City programs for TGA. Bob previously worked as an English as a Second Language teacher and refugee job counselor at the YWCA Multicultural Center in Tulsa. He received a Bachelor’s degree in History and Russian Area Studies from Cornell University in 1992. Bob has served on the boards of the Friends of the Tulsa City-County Library, Tulsa Association of Volunteer Administrators, All Souls Unitarian Church Adult Programs Board, and Global Oklahoma.

Patricia Gross

Patricia Gross
Director of Development

Patricia leads efforts to grow philanthropic partnerships and expand support for global education, cultural exchange, and international engagement in the Tulsa community. With more than 20 years of experience in international public health and development, Patricia brings a global perspective and a deep commitment to building connections across cultures.

A Returned Peace Corps Volunteer (Mali and Guyana), Patricia holds dual master’s degrees in public health and social work from New Mexico State University and a bachelor’s degree from Longwood College. She also serves as Board President of the International Safe Shelter Foundation and as Associate Director of Special Needs at First Presbyterian Church of Tulsa.

2026 Board of Directors

Michelle Barnett
Board Chair
2026

  • Aron York
    Mayor’s Liaison
    Governance Committee Chair
    Development Committee

    Chase Beasley
    Development Committee

    Ed Guidry
    Marketing & Communications Committee Chair

    Kaitlin Flinn
    Past Board Chair
    Finance Committee

    Lauren C. Reinmiller
    Program Committee

    Mary Frances Edmonds
    Governance Committee

    Michael Thompson
    Development Committee Chair

    Michelle Barnett
    Board Chair
    Program Committee

    Oscar Guillén Arauz
    Board Intern
    Program Committee

    Ryan Leslie
    Program Committee

    Sam Peyton
    Development Committee

    Tim Roberts
    Governance Committee

    Tina Peña
    Program Committee Chair

    Vivian Wang
    Marketing & Communications Committee

    Will Geier
    Treasurer
    Finance Committee Chair

  • Shiqing Huang
    Chair, Tulsa-Beihai Sister City Partnership

    Chloe Chappell
    Chair, Tulsa-Tiberias Sister City Partnership

    Clark Frayser
    Chair, Tulsa-San Luis Potosí Sister City Partnership

    Garrett Gibson
    Chair, Tulsa-Zelenograd Sister City Partnership

    Gretchen Mudoga
    Chair, Tulsa-Mwanza Sister City Partnership

    Phil Sharp
    Chair, Tulsa-Utsunomiya Sister City Partnership

    Rex Burnett
    Chair, Tulsa-Kaohsiung Sister City Partnership

    Sandy Dizdar
    Chair, Tulsa-Celle Sister City Partnership

    Julien Feral
    Chair, Tulsa-Amiens Sister City Partnership