Geoffrey Tumlin, Chair

  • Founder and CEO of Mouthpeace Consulting LLC. President of On-Demand Leadership. Charter donor and Board Chair of Critical Skills Nonprofit.
  • Ph.D. and M.A. in Communication from UT Austin. B.S. from West Point.
  • Formerly Assistant Director of UT’s Center for Ethical Leadership, Faculty Fellow at UT’s RGK Center, and Cátedras Laboris Fellow at Univ. of Monterrey, Mexico.


Krista Bottoni, Vice-Chair and Secretary

  • Former Senior Investment Advisor and Ministerial Liaison for the Government of Canada
  • MBA and BS from Memorial University of Newfoundland
  • Extensive international business and diplomatic experience



Robert Isbell

Robert Isbell, Treasurer

  • Fire Chief of the Round Rock, Texas Fire Department.
  • M.S. in executive leadership and B.S. in Public Administration.
  • Adjunct Instructor in Business Administration at Midland College.
  • Certified mediator for civil and family legal disputes.
  • Founder of the nonprofit Permian Basin Firemen’s Fund, supporting fire service in the Permian Basin


manuel morin

Manuel Morin, Former Treasurer (2011-2019)

  • President of Control Ergonomics and COO of Command and Control Environments.
  • Formerly Managing Director of the Dallas Cowboys and President of Blue Star Management.
  • Economics degree from UT Austin. Professional background in finance and accounting.



Welela Tereffe, Former Vice-Chair and Secretary (2011-2018)

  •  Chief Medical Officer at M.D. Anderson Cancer Center in Houston.
  • M.D. from NYU. M.P.H. from Harvard. B.A. from Brown University.
  • Widely published in the field of radiation oncology and breast cancer treatment.