| Ms Nancy-Ann M. DeParle
| Ms Nancy-Ann M. DeParle is an independent director of HCA Holdings Inc since February 3, 2014. |
| Mr Evan Williams
| Mr. Williams is one of Twitter founders and has served as a member of Twitter board of directors since May 2007. From October 2008 to October 2010, Mr. Williams served as Twitter President and Chief Executive Officer, from July 2009 to March 2010, as Twitter Chief Financial Officer and from February 2008 to October 2008, as Twitter Chief Product Officer. Since April 2011, Mr. Williams has served as Chief Executive Officer of Medium, an online publishing platform, and since October 2006, as Chief Executive Officer of The Obvious Corporation, a technology systems innovator. Mr. Williams was selected to serve on Twitter board of directors because of the perspective and experience he brings as one of Twitter founders and as one of Twitter largest stockholders, as well as his extensive experience with technology companies. |
| Mr Dick Costolo
| Mr. Costolo has been a member of Twitter board of directors since September 2009. From October 2010 to June 2015, Mr. Costolo served as Twitter Chief Executive Officer. From September 2009 to October 2010, Mr. Costolo served as Twitter Chief Operating Officer. From June 2007 to June 2009, Mr. Costolo served as Group Product Manager at Google Inc., a provider of Internet-related products and services. From October 2003 to May 2007, Mr. Costolo served as Co-Founder and Chief Executive Officer of FeedBurner, Inc., an RSS subscription feed provider, which was acquired by Google in 2007. Mr. Costolo holds a B.S. in Computer Science from the University of Michigan, Ann Arbor. Mr. Costolo was selected to serve on Twitter board of directors because of his extensive background as a founder and an executive of companies in the technology industry and the perspective and experience he brings as a former Chief Executive Officer. |
| Mr Peter Currie
| Mr. Currie has served as a member of Twitter board of directors since November 2010. Since April 2004, Mr. Currie has served as President of Currie Capital LLC, a private investment firm. Mr. Currie previously served as Executive Vice President and Chief Administrative Officer of Netscape Communications Corporation, a software company, and as Executive Vice President and Chief Financial Officer of McCaw Cellular Communications, Inc., a wireless communications company. Mr. Currie currently serves on the boards of directors of Schlumberger Limited, a petroleum industry services company, and a number of privately held companies. Mr. Currie previously served on the boards of directors of Clearwire Corporation, CNET Networks, Inc., Safeco Corporation and Sun Microsystems, Inc. Mr. Currie currently serves as President of the board of trustees of Phillips Academy. Mr. Currie holds a B.A. in Economics and French Literature from Williams College and an M.B.A. from Stanford University. Mr. Currie was selected to serve on Twitter board of directors because of his strong financial and operational expertise as a result of his service on the boards of directors of numerous other companies and experience serving in senior operating roles in high-growth, technology-driven companies. |
| Mr Jack Dorsey
| Mr. Dorsey has served as Twitter interim Chief Executive Officer since July 2015. Mr. Dorsey is one of Twitter founders and has served as the Chairman of our board of directors since October 2008 and as a member of Twitter board of directors since May 2007. Mr. Dorsey served as Twitter President and Chief Executive Officer from May 2007 to October 2008. Since February 2009, Mr. Dorsey has served as Co-Founder and Chief Executive Officer of Square, Inc., a provider of payment processing services. Since December 2013, Mr. Dorsey has also served as a member of the board of directors of The Walt Disney Company. |
| Ms Stacy P. Methvin
| Ms Stacy P. Methvin is an independent director of Pioneer Natural Resources Company since July 24, 2013. |
| Mr Larry R. Grillot
| Mr Larry R. Grillot is a Director of Pioneer Natural Resources Co. since July 24, 2013. |
| Ms Mona K. Sutphen
| Ms Mona K. Sutphen is an independent director of Pioneer Natural Resources Co since July 2015. |
| Mr Michael D. Wortley
| Mr Michael D. Wortley is an independent director of Pioneer Natural Resources Co since July 2015. |
| Mr Frank Hopkins
| Mr Frank Hopkins is Senior Vice President of Investor Relations at Pioneer Natural Resources Co |
| Mr James Turley
| Mr. James S. Turley is an Independent Director of Citigroup Inc seince 2013, He has been a Director of Citigroup Inc. since July 2013 and Emerson Electric Co. since July 10, 2013 |
| Mr Peter Blair Henry
| Peter Blair Henry is board member of CityGroup seince 1 Jul 2015 , also he is the President’s Commission on White House Fellowships – 2009 to present , Other Directorships: National Bureau of Economic Research, Council on Foreign Relations, Economic Club of New York, Kraft Foods Group, Inc. |
| Mr Duncan Hennes
| Duncan P. Hennes is board member of CityGroup , Duncan is Co-Founder and Partner of Atrevida Partners, LLC , and Co-Founder and Partner of Promontory Financial Group (Currently a Senior Advisor) and Former Chief Executive Officer of Soros Fund Management , and Former Executive Vice President/Treasurer, Bankers Trust Company Director of Citigroup since 2013 , Hennes is Director of Citibank, N.A. since 2013 , and Other Directorships: Standard & Poor's; Syncora Guarantee Inc.; Freeman & Co. LLC (Advisory Board) |
| Mr Matt Stautberg
| Mr Matt Stautberg is Investor Relations at Macy's Inc. |
| Mr Aneel Bhusri
| Aneel Bhusri is co-founder and chief executive officer at Workday, a leader in enterprise cloud applications for human resources and finance. He is also a member of the Workday board of directors, and served as chairman of the board from 2012 until May 2014. Bhusri has been a leader, product visionary and innovator in the enterprise software industry for more than 20 years. Bhusri serves on the boards of Intel, Cloudera, Okta, Pure Storage, and Tipping Point Community. He has served as a partner at Greylock Partners since 1999. Before co-founding Workday in 2005, Bhusri held a number of leadership positions at PeopleSoft, including senior vice president responsible for product strategy, business development and marketing, and vice chairman of the board. Bhusri received an MBA from Stanford University and holds bachelor's degrees in electrical engineering and economics from Brown University. He is a Crown Fellow at the Aspen Institute. |
| Ms Marcela E. Donadioan
| Ms Marcela E. Donadioan is an independent director at National Oilwell Varco Inc since April 8, 2014. |
| Ms Olympia J. Snowe
| Senator Olympia J. Snowe is a director of Aetna Inc since July 24, 2014. |
| Ms Cynthia Taylor
| Cynthia B. Taylor is President, Chief Executive Officer and a Director of Oil States International, Inc. (a diversified solutions provider for the oil and gas industry in Houston, Texas) and has served in this capacity since 2007. She previously served as Oil States International, Inc.'s President and Chief Operating Officer from 2006 to 2007 and as its Senior Vice President-Chief Financial Officer from 2000 to 2006. Ms. Taylor was Chief Financial Officer of L.E. Simmons & Associates, Inc. from 1999 to 2000 and Vice President-Controller of Cliffs Drilling Company from 1992 to 1999, and prior to that, held various management positions with Ernst & Young LLP, a public accounting firm. She received her B.B.A. in accounting from Texas A&M University and is a Certified Public Accountant. Ms. Taylor was elected a Director of AT&T in 2013. She is a member of the Audit Committee and the Public Policy and Corporate Reputation Committee. Ms. Taylor is a Director of Oil States International, Inc. and Tidewater, Inc. |
| Mr William E. Kennard
| Mr William E. Kennard served as the United States Ambassador to the European Union from 2009 to 2013. From 2001 to 2009, Mr. Kennard was Managing Director of The Carlyle Group, a global private equity firm, where he led investments in the telecommunications and media sectors. Mr. Kennard served as Chairman of the U.S. Federal Communications Commission from 1997 to 2001. Before his appointment as FCC Chairman, he served as the FCC's General Counsel from 1993 until 1997. Mr. Kennard joined the FCC from the law firm of Verner, Liipfert, Bernhard, McPherson and Hand (now DLA Piper) where he was a partner and member of the firm's board of directors. Mr. Kennard received his B.A. in communications from Stanford University and earned his law degree from Yale Law School. He was elected a Director of AT&T in November 2014. Mr. Kennard is a member of the Corporate Governance and Nominating Committee and the Public Policy and Corporate Reputation Committee. He is a Director of Duke Energy Corporation since January 1, 2014; Ford Motor Company since January 1, 2015; and MetLife Inc since September 19, 2013. |
| Ms Elizabeth Grenfell
| Ms Elizabeth Grenfell is director of Investor Relations at Yum Brands Inc since 2015. |
