Graydon Oliver

Graydon D. Oliver is a Managing Director and Client Advisor at Avalon Advisors. Prior to joining Avalon, Graydon worked as the Vice President and Chief Operating Officer of a Florida and Israeli based family office overseeing all employees, operations, budgets, investments and due diligence. In 2005, Graydon joined Leor Energy Corporation in Houston, Texas managing the Business Development team and Engineering Technicians, and served as Relationship Manager with key Leor partners, including, EnCana Oil and Gas, Goldman Sachs, Merrill Lynch and Legends Exploration.  While at the University of Illinois, Graydon, was a member of the Men’s Tennis Team and 2000 NCAA Doubles National Champion, awarded the Big Ten Medal of Honor in 2001, Tennis Magazine – Arthur Ashe, Jr. Foundation Sportsmanship and Leadership Award, twice All American, twice Academic All American, and twice Illinois Scholar Athlete of the Year. On graduation, Graydon played on the ATP Tour from 2001 to 2005 winning 4 ATP titles (Hong Kong, Beijing, Bangkok and Indianapolis). While on the Tour, Graydon played in Wimbledon, the US Open, the Australian Open and French Opens every year from 2002 – 2005, achieved a career-high individual world ranking of #29 and team ranking of #12. Graydon has served as a board member of the World Oilman’s Tennis Tournament since 2011.



  • B.A. Business Administration, University of Illinois (2001)


Graydon Oliver

Managing Director

Client Advisor



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