Mark F. O'Neil, Retired Chief Operating Officer, Cox Automotive
Mr. O’Neil retired as Chief Operating Officer of Cox Automotive, a global automotive services and software company, in March 2019 after being named to the position in 2016 following Cox’s acquisition of Dealertrack Technologies, Inc., a publicly traded provider of software, marketing and ecommerce services for automotive retailers.  At Cox, Mr. O’Neil led the rebuild of the Autotrader website to make it more interactive for consumers.  Mr. O’Neil was CEO of Dealertrack from 2001 until the sale to Cox in 2015 and also served as President from 2001 to 2014. He was a director of Dealertrack from 2001 to 2015 and Chairman of the Board from 2005 to 2015. As CEO of Dealertrack, Mr. O’Neil led the company’s growth in becoming the leading provider of web-based software solutions and services for all major segments of the automotive retail industry, including creating the largest online auto credit application network in the U.S. and Canada.  Mr. O’Neil began his career at Intel Corporation and subsequently worked for McKinsey & Co. before moving to the automotive industry in the late 1980s. His experience in the automotive industry includes serving as President of Ertley MotorWorld, a dealer group based in Pennsylvania. From this traditional retail dealer group, Mr. O’Neil went on to work on the development and rollout of CarMax, serving in various roles at CarMax from 1992 until 2000, including as Vice President from 1997 to 2000. From 2000 through 2001, Mr. O’Neil was President and COO of, an online automotive sales website.  He joined the CarMax board in 2019.

Contact Information

Investor Relations Department
(804) 747-0422 x 7865

Stacy Frole
Vice President, Investor Relations

Jessica Schroeder
Senior Manager, Investor Relations

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