Octagon (sports agency)
Octagon is the sports and entertainment content marketing arm of the Interpublic Group of Companies. History
Octagon was founded on April 1, 1983 as Advantage International with its headquarters in Washington, DC. It has been owned by Interpublic since 1997 and has operated under the Octagon brand name since 1999. In 1970 Donald Dell, Frank Craighill, Lee Fentress and Ray Benton founded the Washington, D.C. law firm, Dell, Craighill, Fentress & Benton. Craighill became Managing Director in the 1990s. In 1997, Interpublic group completed the merger of Advantage and other agencies to form Octagon, overseeing athletes from Steffi Graf of WTA to Moses Malone of the NBA. Phil de Picciotto serves as President of Octagon, overseeing its Talent + Properties business. Recent years
Octagon has over 1,000 employees with 50 offices globally and manages upwards of 13,400 events per year. On April 5, 2021, John Shea was named CEO of Octagon Sports & Entertainment Network (OSEN). References 

Sports management companies
Sports event promotion companies
Entertainment companies of the United States
Companies based in Stamford, Connecticut