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Executive Directors


Yangbin Wang
Chairman, Executive Director and
Chief Executive Officer


Mr. Yangbin Wang is the chairman, an executive director and chief executive officer of the Company. He is also a director of each of Vobile’s subsidiaries.

Mr. Wang is the founder of the Vobile Group and joined as the chief executive officer in 2005 when our first subsidiary, Vobile U.S., was established. For over 12 years, Mr. Wang has led our group and has been responsible for Vobile’s corporate vision, product strategy, business development and operations since its founding.

Mr. Wang earned a Bachelor’s degree in Engineering from Zhejiang University in China and a Master of Science degree from the University of Florida, Gainesville.

Mike Witte
Executive Director and
Executive Vice President of
Business Development and Sales


Mr. Michael Paul Witte, alias Mike Witte, is an executive director of the Company, and is also Executive Vice President of Business Development and Sales.

Mr. Witte joined the Vobile Group in 2008 and currently oversees all sales and customer success of our content protection products in the US and other related business development activities, including sourcing new clients and managing and growing our existing client relationships, performing after-sales services and providing ongoing support to our customers, and manages our sales team in Silicon Valley.

Mr. Witte holds a Bachelor of Arts majoring in English from the University of California at Santa Barbara.

Non-Executive Directors


Vernon Altman
Non-Executive Director


Mr. Vernon Edward Altman has over 40 years of experience in providing consulting and advisory services. Mr. Altman joined Bain & Company, Inc. in 1973 at its founding, and is currently its Advisory Partner. Mr. Altman has been a director of Abaxis, Inc. (NASDAQ: ABAX) since 2011 and its lead independent director since 2014.

Mr. Altman graduated with a Master of Science in Management, a Master of Science in Electrical Engineering and a Bachelor of Science in Electrical Engineering from the Massachusetts Institute of Technology in Cambridge, Massachusetts, United States.

Mr. Altman is a non-executive director of the Company.

David Wargo
Non-Executive Director


Mr. J David Wargo currently serves as President of Wargo & Company, Inc., which he founded in 1993. Mr. Wargo has over 15 years of experience in the telecommunications, media and technology industries. Since 2015, Mr. Wargo has been a director of Liberty Broadband Corporation (NASDAQ: LBRDA). Since 2014, Mr. Wargo has been a director of Liberty TripAdvisor Holdings, Inc. (NASDAQ: LTRPA). Since 2008, he has been a director of Discovery Communications, Inc. (NASDAQ: DISCA). Since 2005, Mr. Wargo has been a director of Liberty Global plc (NASDAQ: LBTYK). From 2005 to 2008, he served as a director of Discovery Holding Company. From 2002 to 2007, Mr. Wargo served as a director of OpenTV Corp. Since 2001, he has been a director of Strayer Education, Inc. (NASDAQ: STRA).

Mr. Wargo graduated with a Master in Management majoring in management, a Master in Engineering majoring in nuclear engineering, and a Bachelor of Science majoring in Physics, all from the Massachusetts Institute of Technology.

Mr. Wargo is a non-executive director of the Company.

Stephen Wong
Non-Executive Director


Mr. Wong Wai Kwan, alias Stephen Wong, has over 25 years of experience in finance, accounting, and financial management. Since 2017, Mr. Wong has been an independent non-executive director of Starlight Culture Entertainment Group Limited (formerly known as Jimei International Entertainment Group Limited) (Stock Code: 01159). Since 2015, Mr. Wong has been an independent non-executive director of Vision Fame International Holding Limited (Stock Code: 01315). From 2013 to 2014, he was an independent non-executive director of Karce International Holdings Company Limited (which changed its name to Sinogreen Energy International Group Limited in 2013 and to Jimei International Entertainment Group Limited in 2014 and is now known as Starlight Culture Entertainment Group Limited) (Stock Code: 01159). From 2010 to 2013, he was an independent non-executive director of Shougang Concord Technology Holdings Limited (now known as HNA Holding Group Co. Limited) (Stock Code: 00521).

Since 2016, Mr. Wong has been the chief financial officer of Think Tank Learning Holding Company. From 2011 to 2016, Mr. Wong served as the General Manager of the Financial Audit Department and the Managing Director of the Internal Audit Department of Shanghai Fosun High Technology (Group) Co., Ltd., a wholly-owned subsidiary of Fosun International Limited (Stock Code: 00656). From 1997 to 2000, Mr. Wong served in Ernst & Young’s Shanghai office as Manager in its Assurance Department. From 1992 to 1996, Mr. Wong was employed by Ernst & Young’s Hong Kong office and his last position was Senior Accountant in its Assurance Department.

Mr. Wong became a fellow member of Certified Practising Accountants (Australia) in 2010. He has been a member of the Hong Kong Society of Accountants (now known as the Hong Kong Institute of Certified Public Accountants) since 1997. Mr. Wong has been a member of the Association of Chartered Certified Accountants since 1996.

Mr. Wong graduated with a Master of Business Administration from Washington University in St. Louis, Washington, United States. He obtained a Bachelor of Arts with Honours in Accountancy from the City University of Hong Kong in Hong Kong.

Mr. Wong is a non-executive director of the Company.

Independent Non-Executive Directors


Kevin Chan
Independent Non-Executive Director


Since 2008, Mr. Chan King Man Kevin, alias Kevin Chan, has worked for Grant Thornton China, where he currently serves as partner and where he is a member of the Grant Thornton China Advisory Steering Committee and is also responsible for leading a transaction advisory team. From 2007 to 2008, Mr. Chan was a Manager in the Corporate Finance (Transaction Services) department at Grant Thornton Services LLP.

Mr. Chan obtained a Bachelor of Science in Economics and Accounting with a Language from the University of Bristol in the United Kingdom. Mr. Chan has been a member of the Institute of Chartered Accountants of Scotland since 2005. He has been a China Chapter Board member with the Association for Corporate Growth since 2016.

Mr. Chan is an independent non-executive director of the Company.

James Chiddix
Independent Non-Executive Director


Mr. James Alan Chiddix has over 12 years of experience in the telecommunications, media and technology industries through various positions and offices held. Since 2009, Mr. Chiddix has been a director of ARRIS International plc (NASDAQ: ARRS). From 2008 to 2013, Mr. Chiddix was an independent director of Virgin Media Inc.. From 2007 to 2011, Mr. Chiddix was also a director of Dycom Industries, Inc. (NYSE: DY). From 2009 to 2010, Mr. Chiddix was a non-executive director of Shougang Concord Technology Holdings Limited (now known as HNA Holding Group Co. Limited) (Stock Code: 00521). From 2007 to 2013, Mr. Chiddix was a director of Symmetricon, Inc. From 2004 to 2009, Mr. Chiddix was a director of OpenTV Corp, during which time he also served as its executive chairman and chief executive officer from 2004 to 2007, and as its vice chairman from 2007 to 2009.

Mr. Chiddix is an independent non-executive director of the Company.

Charles Eesley
Independent Non-Executive Director


Mr. Charles Eric Eesley has around eight years of experience in education and research focusing on technology and entrepreneurship. Since 2009, Mr. Eesley has worked at Stanford University, and is currently an Assistant Professor in the Department of Management Science and Engineering and is David T. Morgenthaler Faculty Fellow in the Stanford Technology Ventures Program. In 2015, he was selected as a Schulze Distinguished Professor under the Schulze Distinguished Professorship Program by the Richard M. Schulze Family Foundation..

Mr. Eesley obtained a Doctor of Philosophy in Management from the Massachusetts Institute of Technology in Cambridge, Massachusetts, United States and a Bachelor of Science from Duke University in Durham, North Carolina, United States.

Mr. Eesley is an independent non-executive director of the Company.