Mark O'Neil – Biography
Last update: 22 days agoExecutive profile
Mark was Executive Vice President, Chief Operating Officer for Cox Automotive. Mark O'Neil joined CarMax in 2019.
Mark O'Neil is currentlyDirector (promoted on Jun 23 2026 to Lead Independent Director) at CarMax - View - CarMax org chart
Director at Servco - View - Servco org chart
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Company Colleagues
- At CarMax, Mark O'Neil has 41 colleagues including Keith Barr (CEO & Director), Sona Chawla (Director)…
- At Servco, Mark O'Neil has 27 colleagues including Peter Dames (CEO & Director), Mark Fukunaga (Chairman of the Board)…
Homonyms
- Mark O'Neill - Chief Financial Officer - ESW
- Mark O'Neill - Senior Vice President, Engineering and Product - EnergyHub
- Mark O'Neil - Director, Commercial Operations - Nordion
- Mark O'Neill - Vice President, Chemistry Manufacturing Controls - Opthea
- View all the 4 org charts > Close
Industry Colleagues
- In the Automotive industry, Mark O'Neil has 29,867 colleagues in 1,782 companies located in 58 countries. 15,188 executive movements have been recorded in the last 12 months. Learn more about Automotive.
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