Mr. Peng has served as chairman of the Board since January 10, 2011 and as Chief Executive Officer since March 25, 2016. Mr. Peng is the chairman of our Compensation Committee and the chairman of our Nominating and Corporate Governance Committee. Mr. Peng was appointed chairman of the Board due to the Stock Purchase Agreement entered between SPI and LDK on January 5, 2011. Mr. Peng founded LDK in July 2005 and was its chairman of the board and chief executive officer. Prior to LDK, Mr. Peng founded Suzhou Liouxin Co., Ltd., or Suzhou Liouxin, in March 1997 and was its chief executive officer until February 2006. Mr. Peng graduated from Jiangxi Foreign Trade School in 1993 with a Bachelor's in International Business from Beijing University Guanghua School of Management with an executive MBA degree in 2002.
Mr. Xiahou has served as deputy chairman of the Board since July 1, 2015 and served as our chief executive officer and director from August 19, 2013 to June 30, 2015. Mr. Xiahou was also a senior vice president of LDK and has served as the general manager of LDK's Solar Power System Division since May 2011. From 2008 to 2011, Mr. Xiahou served as the Board Chairman and General Manager of Xinyu Urban Construction Group, a state-owned construction corporation in China. Before that, Mr. Xiahou served in various government roles from 1989 to 2011. Mr. Xiahou received his Bachelor of Economics degree from Xiamen University, China in 1989.
Mr. Tairan Guo serve as Chief Financial Officer. Before joining SPI Energy, Mr. Guo was the co-founder of Unisun Energy Group, a global PV power plant investor, developer and clean energy solutions provider, and the general manager of Unisun Japan. Prior to that, Mr. Guo served as chief business officer, executive director on Board, and acting chief financial officer at China Technology Development Group Corporation, a leading solar model provider and PV power plant investor under China Merchants Group, which was listed on the Nasdaq Stock Market using the ticker symbol CTDC. Before that he worked in Germany at Dorma Automatic GmbH and Haniel Group. Mr. Guo graduated from Germany’s Ruhr University Bochum in 2005 with a Master’s degree in European Economics and Culture, and obtained double Bachelor’s degrees in Economics and German Language and Literature from Peking University in 2002.
Mr. Cheong has served as our chief operating officer since May 26, 2014. Mr. Cheong has more than 20 years of engineering and operation experience in the solar and electronics industries. He served in various management positions in LDK from 2011 to 2014 and he was appointed as the Chairman of the Management Board and Chief Executive Officer of Sunways AG, a publicly-listed company in Germany. He previously served as our general manager from 2007 to 2011 and was responsible for PV system design and development as well as the manufacturing of key components for PV modules and racking systems before joining LDK. Prior to joining the solar industry in 2007, Mr. Cheong spent 16 years in the electronics industry responsible for engineering development and manufacturing of liquid crystal display products and he served as the Vice President of Engineering of an affiliate of Flextronics International Ltd. Mr. Cheong holds a Bachelor of Science degree in mechanical engineering from the University of Louisiana and obtained his Master of Science in computer integrated manufacturing from Nanyang Technology University in 1997.