Mr. Costello has significant leadership experience with a wide variety of public and private technology and software companies and has served as a strategic advisor to a variety of technology companies. Mr. Costello currently sits on the board of PRGX Global, Inc., FinancialForce.com, Inc., Kaufman, Hall & Associates, LLC, Blue Cat Networks, Inc., Elemica, and Kahua, Inc. He was formerly lead independent director of Rackspace Inc., a director of Cbeyond, Inc., and a director of The Rainmaker Group, Inc. He was executive chairman of Top Tech Holdings, Inc. Mr. Costello served as a director of Vantiv, Inc. from 2014 to 2017 and as a director of its successor Worldpay until July 2019. Mr. Costello served in a variety of senior roles at Ariba, Inc. from 2002 to 2007 and as President from 2007 until its acquisition by SAP in 2012. Following that acquisition, Mr. Costello served as president of Ariba, an SAP Company, from 2012 to 2014. Prior to joining Ariba, Mr. Costello spent 18 years with Andersen Business Consulting, during which he served in various senior management positions. He graduated from the University of Illinois with a BS in accounting.
