Tray Hastings Siegfried

The Persimmon Group LLC provides management consulting services. Its capabilities include leadership development and coaching, IT business services, project management, strategy management, organizational effectiveness, business process management, and continuous improvement. The company was founded by Bill Fournet in 2004 and is headquartered in Tulsa, OK.

United Way Worldwide is a non-profit organization, which engages in raising money for charitable causes. It focuses on education, health, and financial stability. The company was founded in 1974 and is headquartered in Alexandria, VA.

The NORDAM Group LLC engages in the manufacture and repair of aircraft components. It offers original equipment manufacturing for business, commercial, and military aircrafts; and provides repair and maintenance services. The company was founded by Ray H. Siegfried II on April 1, 1969 and is headquartered in Tulsa, OK.

Cascia Hall Preparatory School is a private educational institution located in Tulsa, OK.

American Red Cross, Inc. provides individual and family social services. It is a humanitarian organization led by volunteers and guided by its Congressional Charter and the Fundamental Principles of the International Red Cross Movement, will provide relief to victims of disaster and help people prevent, prepare for, and respond to emergencies. The company was founded in 1881 and is headquartered in Kansas City, MO.

Young Presidents' Organization, Inc. is a global leadership community of over 30,000 chief executives from 142 countries. The non-profit company is based in Irving, TX and has a global presence of subsidiaries in several regions. The company's mission is to help its members become better leaders and better people. The company was founded in 1950 by Ray Hickok, Khalid Mohamed Jassem Kanoo. Thayer Smith has been the CEO of the company since 2007.

The General Aviation Manufacturers Association manufactures general aviation airplanes. The private company is based in Washington. The CEO of the American company is Peter Bunce.

Oklahoma Hall of Fame, Inc. engages in providing education services. The company was founded by Anna B. Korn in1927 and is headquartered in Oklahoma City, OK.