Francis Lau

Mr. Lau is Chief Technology Officer – Emeritus, and a consultant to SES. He joined the Company in September 2008 as Senior Vice President and Chief Technology Officer, and upon his retirement in 2018, is continuing to further SES Gasification Technology commercialization and development. Previously, Mr. Lau was the Executive Director of Gasification and Gas Processing Center at the Gas Technology Institute (GTI), where he led R&D, demonstration, and deployment programs aimed at the clean, efficient conversion of coal, biomass, and other feedstocks to SNG, electricity, hydrogen, and clean liquid fuels. He was involved in the development of several gasification and related technologies. Mr. Lau has published numerous papers on energy topics and holds several patents on energy conversion systems. He won the 2003 Pitt Award for his contributions to coal conversion R&D. He has a B.S. in Chemical Engineering from the University of Wisconsin, and a M.S. in Chemical Engineering from Northwestern University.

David Hiscocks
Corporate Controller

Mr. Hiscocks is SES’s Corporate Controller who joined the Company in May, 2017. Previously Mr. Hiscocks worked for Noble Corporation for nearly four years, most recently serving as its Regional Controller-Eastern Hemisphere. Prior to Noble, Mr. Hiscocks served in various accounting and financial positions for 19 years with Transocean and its prior merged companies, including Santa Fe International Corporation and GlobalSantaFe Corporation. During his tenure there, Mr. Hiscocks was based in Malaysia, Vietnam, Canada, Angola, and the corporate offices in Dallas and Houston, Texas. Mr. Hiscocks holds a B.A. in Accounting from the University of Northern Iowa. He is a certified public accountant in the State of Texas.


Lorenzo Lamadrid

Mr. Lamadrid has been the Chairman of SES since April 2005. Since 2001, Mr. Lamadrid has been the Managing Director of Globe Development Group, LLC, a firm that specializes in the development of large scale energy, power generation, transportation and infrastructure projects in China and provides business advisory services and investments with a particular focus on China. Mr. Lamadrid has also been a Director of Flow International Corporation since January 2006. Mr. Lamadrid has been a member of the International Advisory Board of Sirocco Aerospace, an international aircraft manufacturer and marketer, since mid-2001. He previously served as President and Chief Executive Officer of Arthur D. Little, a management and consulting company, from 1999 to 2001, as President of Western Resources International, Inc. from 1996 through 1999 and as Managing Director of The Wing Group from 1993 through1999. The Wing Group was a leading international electric power project-development company that was sold to Western Resources in 1999. Prior to that, he was with General Electric from 1984 to 1993 serving as corporate officer, Vice President and General Manager at GE Aerospace for Marketing and International Operations, and as General Manager of Strategic Planning and Business Development or GE's International Sector. Prior to joining GE, Mr. Lamadrid was a senior Manager at the Boston Consulting Group where he worked from 1975 to 1984. Mr. Lamadrid holds a dual bachelor's degree in Chemical Engineering and Administrative Sciences from Yale University, an M.S. in Chemical Engineering from the Massachusetts Institute of Technology and an M.B.A. in Marketing and International Business from the Harvard Business School.
Chair of the Nominating and Governance Committee
Member of the Compensation Committee

Robert W. Rigdon
President and CEO and Vice Chairman of the Board

Mr. Rigdon, who served as President, CEO and Director of SES from 2009 until February 2016, has been the Vice Chairman of SES since February 2016, focused on the establishment of SES’s new growth platforms including Australia and Poland. Mr. Rigdon joined SES in 2008 and served as Chief Operating Officer where he was responsible for overseeing the implementation and operation of SES’s coal gasification projects worldwide. Prior to joining SES, Mr. Rigdon worked for GE’s gasification business in a variety of capacities, including Director of Commercialization for GE’s Integrated Gasification Combined Cycle (IGCC) product, and Director of GE’s Industrials and Chemicals Gasification Business. Prior to GE, Mr. Rigdon worked for Texaco for 23 years in a variety of roles including chemical manufacturing operations and development, construction, and startup of new, largescale chemical facilities at Texaco’s largest facility in Texas. Mr. Rigdon also served in Texaco’s corporate engineering division based in Houston and focused on improving reliability in plant operating equipment and facilities. Later, under the merged ChevronTexaco, Mr. Rigdon became interested in clean energy applications and joined ChevronTexaco’s Worldwide Power & Gasification group, where he led engineering functions as well as led commercial and technical development of $1B+ gasification-based clean energy projects ultimately serving as Vice President of Gasification Technology for the business prior to its acquisition by GE. Mr. Rigdon is a Mechanical Engineer with a B.S. degree from Lamar University in Beaumont, Texas.

Harry Rubin

Mr. Rubin has been a Director since August 2006. Mr. Rubin is currently Chairman of Henmead Enterprises, in which capacity he advises various companies regarding strategy, acquisitions and divestitures. He currently serves as a Director of Image-Metrics Plc, and has held board positions at a number of private and public companies such as the A&E Network, RCA/Columbia Pictures Home Video and the Genisco Technology Corporation. He was a founding partner of the Boston Beer Company. In the 12 years prior to 2006, Mr. Rubin held various senior management roles in the computer software industry, including Senior Executive Vice President and Chief Operating Officer of Atari, and President of International Operations and Chief Financial Officer for GT Interactive Software. Mr. Rubin entered the computer software business in 1993 when he became Executive VP for GT Interactive Software as a start-up company, and played a leadership role in GT's progression as the company went public in 1995 and became one of the largest industry players. Prior to 1993, he held various senior financial and general management positions at RCA, GE and NBC. He is a graduate of Stanford University and Harvard Business School.
Member of the Audit Committee
Member of the Nominating and Governance Committee
Chair of the Compensation Committee

Denis Slavich

Mr. Slavich has served as a Director since November 2005 and currently serves as the Chairman of our Audit Committee. Mr. Slavich has over 35 years of experience in large scale power generation development. He is currently an international consultant to a number of U.S. and China-based companies engaged in cross border transactions, as well as an advisor and board member for a number of additional firms. From 1998 to 2000 Mr. Slavich was the CFO and director of KMR Power Corporation and was responsible for the development of an international IPP company that developed projects in Columbia as well as other areas. From 2000 until 2002, he served as Vice President and CFO of BigMachines Inc., a software company, and from 2001 until the present, he has served as Chairman of Leading Edge Technologies, a desalination technology company, and has recently served as its CEO. Mr. Slavich also served as acting President for Kellogg Development Corporation, a division of M.W. Kellogg, during 1997. From 1991 to 1995, Mr. Slavich was also a Vice President of Marketing for Flour Daniel. From 1971 to 1991, Mr. Slavich served in various executive positions at Bechtel Corporation including Sr. VP, CFO, and director and Sr. VP and manager of the International Power Division. Mr. Slavich received his Ph.D. from Massachusetts Institute of Technology, his M.B.A. from the University of Pittsburgh and his B.S. in Electrical Engineering from the University of California at Berkeley.
Chair of the Audit Committee
Member of the Nominating and Governance Committee
Member of the Compensation Committee

Ziwang Xu

Mr. Xu has served as one of SES’s Directors since February 2010. Mr. Xu founded CXC Capital, Inc. and CXC China Sustainable Growth Fund in 2008. He was a private investor in growth companies in the natural resources sector, a developer of residential real estate properties in Shanghai, and an Advisory Director of Goldman Sachs Group, Inc. from 2005 to 2008. From 1997 to 2005, he was the Head of China for Goldman Sachs. Earlier, Ziwang Xu worked for Morgan Stanley, first in New York and then in China where he headed China from 1995 to 1997. His early career includes four years in Toronto and New York with the Bank of Montreal and two years with China Construction Bank in Shanghai. Mr. Xu received a Bachelor of Arts degree from East China Normal University in 1982 and a Masters in Economics from Fudan University in 1985. He completed his Master of Arts in International Business Relations at the Fletcher School of Law and Diplomacy at Tufts University in Medford, Massachusetts (USA) in 1988. He is an Advisory Partner at Clayton, Dubilier & Rice, an Honorary Fellow at the Dunhuang Research Institute, a member of the Board of Overseers of the Fletcher School of Law and Diplomacy at Tufts University, Vice Chairman of the Alumni Association of Economics and Finance at Fudan University, a Board Member of Guangcai 49 Group, a Council Member of Shanghai Comprehensive Economy Studies Council, a member of the Board of Overseers at Tufts University, and Co-Founder and Chairman of the Board of Trustees of Xi Wai International School.
Member of the Audit Committee


Mr. Anderson has served as a Director since March 2018. Mr. Anderson has an extensive commercial and transactional background in the international electric power business, having led global sales teams for GE Corporation for 35 years, prior to his retirement in 2017 and, prior to GE, having grown the brand of Stewart & Stevenson. Most recently, he served as Vice President, GE Packaged Power Inc., and General Manager of GE’s Fast Power Americas. His tenure with GE also included serving as General Manager, Global Sales with strategic responsibility for a worldwide products and services sales force for GE Aero Energy in its aero-derivative gas turbine product line. In 2010, when GE Aero became part of GE Distributed Power, Mr. Anderson was the leader for sales of GE Aero Energy Americas. Mr. Anderson has a Bachelor of Business Administration in International Business from the University of Texas in Austin, and a diploma in Spanish studies from the Universidad Complutense in Madrid, Spain.


SES’s experience in gasification technology, operations and equipment procurement makes SES the best option to supply the technology, equipment and gasifier system into a gasification based project. SES believes that its continued performance and success stems from the quality of its world-class management and executive team. The company and its advanced technology has been able to attract some of the world’s foremost experts in gasification, from renowned R&D companies, with decades of collective experience working in the gasification and alternative energy fields.