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PSO Leadership

Peggy Simmons

President and Chief Operating Officer

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Public Service Company of Oklahoma (PSO) is headed by Peggy Simmons, PSO president and chief operating officer.

Simmons leadership team members are:

  • Debbie Arwood, regional manager, Human Resources
  • Steve Baker, vice president, Distribution Operations
  • Whitney Emerick, director, Communications
  • Matthew Horeled, vice president, Regulatory & Finance
  • Judie Hackerott, director, Business Operations Support
  • Tiffini Jackson, vice president, External Affairs
  • Monte McMahon, vice president, PSO Generating Assets
  • Shawn Robinson, managing director, Transmission Field Services-West
  • Paul Avanessian, director, Transmission Field Services Construction-West
  • Scott Ritz, director, Customer Services & Marketing
  • Mary Williamson, director, Regulatory Services
  • Chris Baucom, manager, Safety and Health

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