Wei Xia

Chairman
Mr. Xia has served as a member of our Board since December 2009. Mr. Xia has served since 2004 as the Vice General Manager of Baoding Tianwei Group Co., Ltd., the parent company of Tianwei. From 1999 to 2004, he served as the Vice General Manager of Baoding Tianwei Baobian Electric Co., Ltd., an affiliate of Tianwei. From 1997 to 1999, he served as the Vice Manager of Baoding Tianwei Group Large Transformer Company, an affiliate of Tianwei. Mr. Xia holds a Bachelor in Engineering from Lanzhou University of Technology.

Zhengfei Gao

Mr. Gao has served as a member of our Board since July 2010. Mr. Gao has served as the General Manager of Tianwei New Energy Holdings Co., Ltd since 2009. From 2007 to 2009, he served as the Vice President of China Electric Equipment Group Co., Ltd., a power equipment and PV products manufacturer in China, and Board Chairman of Jiangxi Jingde Semiconductor New Material Co., Ltd., a polysilicon manufacturer. From 2003 to 2007, he served as the Vice President of Shanghai Dongdeng Group Co., Ltd. and General Manager of Shanghai Dongdeng Information Technology Co., Ltd., an information technology company. From 2001 to 2002, Mr. Gao served as Director and Chief Financial Officer of Shanghai United Gene Technology Group Co., Ltd., a biotechnology company. From 1999 to 2001, he served as General Manager of the Finance Department of China headquarters for Asia Pulp & Paper, a producer of pulp, paper, and packaging. Mr. Gao holds a Bachelor's degree in Industrial Management Engineering from Xi'an Jiaotong University.

Dean K. Hirata

Dean K. Hirata has served as a member of our board of directors since January 2007. From 2006 until 2010, Mr. Hirata has been Vice Chairman and Chief Financial Officer of Central Pacific Financial Corp., the holding company of Central Pacific Bank. From 2004 to 2006, he served as Executive Vice President and Chief Financial Officer of Central Pacific Financial Corp. From 2002 to 2004, he served as Executive Vice President and Chief Financial Officer of CB Bancshares, Inc., a bank holding company, whose principal subsidiary was City Bank. From 1999 to 2002, he served as Senior Vice President and Chief Financial Officer of CB Bancshares. Prior to joining CB Bancshares, Mr. Hirata served as Controller during his 9-year career at First Hawaiian Bank. His projects included the development and implementation of a bank-wide performance reporting system and various M&A financial analyses, including the merger of the former BancWest Corporation with and into First Hawaiian, Inc. in 1998. Prior to First Hawaiian Bank, Mr. Hirata began his career at KPMG, LLP where he earned his CPA and he supervised audits and other services for several industries, including financial institutions, hotels and non-profit entities. Mr. Hirata holds a Bachelor in Business Administration from the University of Hawaii.

Scott B. Paul

Chief Executive Officer
Scott has served as Chief Executive Officer since April 2010. Previously, Scott was Chief Operating Officer of Hoku from November 2008 through March 2010. From July 2003 until November 2008, Scott was Hoku's VP, Business Development & General Counsel. Prior to joining Hoku, Scott worked as Director of Business Development and Associate General Counsel at Read-Rite Corporation, a publicly-traded multi-national company. Previously, Scott worked as an attorney at Brobeck, Phleger & Harrison LLP representing high tech emerging growth and large-cap public companies on financing and M&A transactions.

Scott earned his JD cum laude from Santa Clara Law School and his BA from University of California, Los Angeles.

Karl E. Stahlkopf, PhD

Dr. Stahlkopf has served as a member of our Board since July 2002. He is currently a Partner and Director of Sennet Capital, a Hawaiian Investment Bank where he is focused on the financing of renewable energy projects. He joined Sennet in July, 2009. Dr. Stahlkopf was Senior Vice President, Energy Solutions and Chief Technology Officer of Hawaiian Electric Company, Inc., a subsidiary of Hawaiian Electric Industries, Inc from May 2002 until July 2009. While at Hawaiian Electric Dr. Stahlkopf also served as President of Renewable Hawaii, Inc., the renewable energy subsidiary of Hawaiian Electric Company, Inc. From November 1973 to April 2002, Dr. Stahlkopf served as Vice President of Power Delivery and Utilization at Energy Power Research Institute, or EPRI, an independent, non-profit center for electricity and environmental research. During his tenure at EPRI, Dr. Stahlkopf was also a founder and served as the President and Chief Executive Officer of EPRI Solutions, a subsidiary of EPRI, and was Chairman of the Board of Directors of Sure-Tech, LLC, a manufacturer of power electronic devices. Dr. Stahlkopf has a B.S. in Electrical Engineering and Naval Science from the University of Wisconsin and an M.S. and Ph.D. in Nuclear Engineering from the University of California, Berkeley.

(Mike) Tao Zhang

President, Hoku Materials
Dr. Zhang has served as a member of our Board since July 2010 and as the Interim President of Hoku Materials since November 1, 2010. Dr. Zhang has served since 2009 as Vice General Manager of Tianwei New Energy Holdings Co., Ltd. from 2007 to 2009, he served as the Senior Manager/Director of Spansion Inc., a public company in the semiconductor industry by Fujitsu and AMD. From 2002 to 2007, he served as Senior Automation Engineer, Flash Factory IE Manager, Systems IE Manager, Department Manager, and Staff Technologist for Intel. From 1998 to 2002, he was a Postdoctoral Research Fellow at the University of California, Berkeley. He is Co-Chair of an IEEE Technical Committee and the recipient of an IEEE Early Career Award and the IIE Outstanding Young Industrial Engineer Award. He is also listed in Marquis Who's Who in the World, invited to Asia 21 Young Leader Summit, and selected to the China Global Expert Recruitment program. Dr. Zhang received the M.S. and the Ph.D. degrees, as well as the Management of Technology certificate from the Haas School of Business and the College of Engineering, all at the University of California, Berkeley in a record-breaking three years.

Yi Zheng, PhD

Dr. Zheng has served as a member of our Board since December 2009. Dr. Zheng has served since 2009 as the President of Yuanhong Venture Capital Co., Ltd. He has also served since 2007 as a Venture Partner for Lightspeed Venture Partners. Dr. Zheng served as a director of Tianwei from April 23, 2009 to August 1, 2009. From 2004 to 2007, Dr. Zheng served as the Managing Director of Investment of TongFang Co., Ltd. In 2003, Dr. Zheng co-founded and served as Chief Financial Officer of Baihe.com. From 2002 to 2003, he served as an Associate of TPG-Newbridge Capital, LLC. Dr. Zheng has an M.S. in Environmental Engineering from Tsinghua University, a Ph.D. in Civil and Environmental Engineering from the University of California, Davis, and a Master of Financial Engineering from the University of California, Berkeley. Berkeley.