Mike Lunsford is the chief executive officer of SK Planet, Inc., the U.S. arm of SK Planet, Ltd., a Korean-based company.
 He is the former executive vice president and interim chief executive officer of RealNetworks, the former chief executive officer of Rhapsody, a joint venture between RealNetworks and Viacom, and the former president and interim chief executive officer of Earthlink.
 Before joining EarthLink, Lunsford worked as a consultant at Andersen Consulting (now Accenture) in Chicago and Scott, Madden & Associates, a management consulting firm in Raleigh, North Carolina.
 He received an undergraduate degree and a Masters of Business Administration (MBA) from the University of North Carolina.
Charles Elvan Cobb, Jr. (born May 9, 1936) is an American businessman.
 He is currently the chief executive officer and senior managing director of Cobb Partners, Ltd., an investment firm.
 He was the chairman and chief executive officer of Arvida Corporation and Disney Development Company during the 1970s and 1980s.
 Arvida was a public company and then a subsidiary of Penn Central and later of Walt Disney Company.
 He also served as a member of the Walt Disney Board of Directors and the Executive Committee of the Disney Board.
 Earlier he was the chief operating officer and a director of Penn Central Corporation, a multi-industry company that had approximately 40,000 employees.
 He led a leveraged buy-out of Arvida Corporation from Penn Central with the Bass family in Texas and subsequently merged Arvida with Walt Disney.
 Earlier he was an investment manager with Dodge & Cox and the CEO of subsidiaries of Kaiser Aluminum.
Siddharth N. "Bobby" Mehta was former CEO and vice chairman of HSBC North America.
 Mehta served as an Advisor of TransUnion since December 31, 2012.
 Mehta serves as consultant of TransUnion.
 He served the chief executive officer and president of TransUnion from August 2007 to December 31, 2012, and Transunion Financing Corp. until December 31, 2012.
 From May 2007 to July 2007, he served as a consultant to the board of directors at TransUnion.
 He served as the chief executive officer and president of TransUnion until December 31, 2012.
 He served as the chief executive officer of TransUnion LLC.
 He served as chairman of the board and chief executive officer of HSBC Finance Corporation from April 2005 to February 2007.
 He served as chief executive officer and president of TransUnion LLC from 2007 to 2012.
 From 1998 to 2007, he held a variety of positions with HSBC Finance Corporation and HSBC North America Holdings, Inc.
 Mehta served as chief executive officer of HSBC North America until February 2007.
 Mehta served as consultant of TransUnion since May 2007 until July 2007.
 Mehta served as group managing director of HSBC Holdings PLC of HSBC Finance Corp. since April 30, 2005, and its unit chief executive officer since March 2005.
 He served as the chief executive of HS BC North America Holdings Inc., of HSBC Finance Corp., from March 2005 to February 15, 2007.
 He served as an executive chairman of HSBC Financial Corporation Limited since April 2005 and served as its chief executive officer from April 2005 to February 15, 2007.
 He served as the chief executive officer of HSBC Bank USA, N.A. until February 2007.
 He served as the chief executive officer of HSBC North America Holdings Inc. since March 2005.
 He served as chairman and chief executive officer of HSBC Financial Corp., Ltd.
 He oversaw HSBC's global credit card services, its North American consumer lending and mortgage services businesses and its first mortgage operation.
 He was also responsible for corporate marketing, strategic planning and corporate development for HSBC North America Holdings Inc. and had responsibility for the strategic management of credit cards throughout the HSBC Group.
 Mehta served as group executive of Credit Card Services, Auto Finance and Canada of Household International Inc., since July 2002.
 He worked at MasterCard’s U.S. region board since March 2000.
 Mehta joined Household International Inc., in 1998.
 He served as senior vice president of The Boston Consulting Group in Los Angeles and co-leader of Boston Consulting Group Financial Services Practice in the United States.
 Mehta served as a director of Global Board of MasterCard Incorporated since March 17, 2005.
 He served as unit chairman of HSBC Holdings PLC and served as its board member since March 2005.
 He served as vice chairman and director of HSBC Financial Corporation Limited., (Formerly Household International Inc.).
 He has been a director of Avant Credit Corporation since December 18, 2014.
 He has been an independent director of The Allstate Corporation since February 19, 2014.
 He serves as a member of the advisory board at Core2 Group, Inc.
 He has been non-executive independent director at Piramal Enterprises Ltd since April 1, 2013.
 He serves on the boards of Datacard, Chicago Public Education Fund, University of Chicago Laboratory Schools, The Economic Club of Chicago, The Field Museum and Myelin Repair Foundation.
 He serves as a director of TransUnion Corp. and TransUnion LLC.
 He served as a director of MasterCard International Inc. (also known as MasterCard Worldwide) (formerly, MasterCard Inc.), since March 17, 2005.
 He served as a director of HSBC Financial Corp.
 Ltd.
 He has been a director of TransUnion since April 2012.
 Mehta serves on the board of international advisors for the Monterey, California, Institute of International Studies and is a member of the Financial Services Roundtable.
 He also serves on the board of advisors for the Myelin Repair Foundation.
 Mehta holds a Bachelor of Arts in economics from the London School of Economics and Masters of Business Administration from the University of Chicago.
 He stepped down as head of the North American unit after the lender raised its forecast for bad loans in the U.S.
 He is of Indian descent.
Jonathan Ornstein is Chairman and Chief Executive Officer of Mesa Air Group, Inc., and was appointed effective May 1, 1998.
 From April 1996 to his joining the company as Chief Executive Officer, Ornstein served as President and Chief Executive Officer and Chairman of Virgin Express, a European airline.
 From 1995 to April 1996, Ornstein served as Chief Executive Officer of Virgin Express Holdings, Inc.
 Ornstein joined Continental Express as President and Chief Executive Officer in July 1994 and, in November 1994, was named Senior Vice President, Airport Services at Continental Airlines.
 Ornstein was previously employed by the company from 1988 to 1994, as Executive Vice President and as President of the company’s WestAir Holding, Inc., subsidiary.
Olabisi “Bisi” Stephen Onasanya, (born August 18, 1961) is a former Group Managing Director and Chief Executive Officer of First Bank of Nigeria Limited.
 He was before this appointment the Managing Director/Chief Executive Officer of First Pension Custodian, and began his career with Arthur Young, an American audit firm.
 A chartered accountant, Bisi is credited with pioneering initiatives in Nigeria’s nascent pension custody industry that helped define best industry practices.
Santos Ltd. is a large, predominantly Australian-owned oil and gas company.
 Its name is an acronym for South Australia Northern Territory Oil Search.
Lucas Chow Wing Keung, better known as Lucas Chow is the former Chief Executive Officer of MediaCorp, SingTel Mobile.
 and Group Chief Executive Officer and Managing Director of Far East Orchard.
Pankaj Razdan is the Deputy Chief Executive of Aditya Birla Financial Services Group, and Managing Director and Chief Executive Officer of Birla Sun Life Insurance Company Limited.
 He also serves as a Deputy Chief Executive Officer of financial services business at Aditya Birla Nuvo Limited.
Herman Kasekende is a Ugandan businessman, economist, and bank executive.
 He is the managing director and chief executive officer of Stanchart Zambia, effective February 2017.
 Prior to that, from 22 July 2012 until 20 February 2017, he was the managing director and chief executive officer of Stanchart Uganda, the second-largest commercial bank in the country by assets, which totaled nearly US$965 million in December 2012.
David John Wissler Knox is an Australian oil and gas industry executive and former Chief Executive Officer and Managing Director of Santos Limited.
 Knox is originally from Edinburgh, Scotland and is considered to be one of South Australia's most influential people.

Question: David Knox is the former Chief Executive Officer and Managing Director of a company owned predominantly by nationals of which country ?
Answer: Australia