Board of Directors

Andrew Chung

Andrew is a Partner at Khosla Ventures who is interested in developing leading companies in cleantech, Internet, mobility, education, and genomics and also leads the firm’s China activities. Andrew seeks to work with exceptional entrepreneurs in building the world's most innovative companies and changing the world for the better. He is one of six investing partners at Khosla.

Prior to Khosla Ventures, Andrew was at Lightspeed Venture Partners and helped build the firm's practice areas in cleantech, education, and genomics. In addition to assisting his portfolio companies, Andrew is a frequent speaker at industry events, was Founding Chair of the Cleantech Board for The Indus Entrepreneurs Group (TiE), and has been a longtime advisor to the Cleantech Open (CTO). Andrew has also advised various government officials, including the former Lieutenant Governor for California and the California Commission for Economic Development, on cleantech-related policy issues.

Andrew graduated Phi Beta Kappa in Applied Mathematics from Harvard University and holds an MBA from The Wharton School of the University of Pennsylvania.


 Datuk (Dr) Abdul Rahim Hashim

Datuk Ir. (Dr) Abdul Rahim Hashim, the Immediate Past President of the International Gas Union and President of the Malaysian Gas Association began his career in PETRONAS soon after graduating from the University of Birmingham, UK in Electrical and Electronics Engineering in 1976.

Throughout his 36 years of involvement in the oil and gas industry, he has held a number of high profile positions of increasing responsibility which include Managing Director & Chief Executive Officer of PETRONAS Oil Refinery (Melaka) Sdn Bhd and Managing Director & Chief Executive Officer of Malaysian Refining Company Sdn Bhd (MRC).

In his career path in higher management in PETRONAS Datuk Rahim moved on to become the Vice  President of Human Resource Management Division, then became the Vice President for Gas Business and then to become the Vice President of Research & Technology Division of PETRONAS, the post he held until end of 2008.

While serving in PETRONAS, he also held several key positions in a variety of gas industry organization, both in Malaysia and at an international level including helming the presidency of the Asia Pacific Natural Gas Vehicle Association (ANGVA). He held the Presidency on the IGU from 2009-2012 and successfully hosted the 25th World Gas Conference in Kuala Lumpur.

He has served as a member of the Board of the Board of Engineers Malaysia and was the Chairman of the Engineering Accreditation Council of Malaysia.  He is currently a member of the National Science & Research Council of Malaysia and a director of several companies including SIRIM and PETRONAS subsidiaries companies.

A professional engineer, an Associate Member of American Institute of Chemical Engineers. In 1997, he completed the Advanced Management Program at Harvard Business School. He was recently appointed as the Vice Chancellor of the Universiti Teknologi PETRONAS in Malaysia.


Dr. Jennifer Holmgren

Dr. Jennifer Holmgren is the Chief Executive Officer of LanzaTech. Jennifer has over 20 years of experience in the energy sector including a proven track record in the development and commercialization of fuels and chemicals technologies. Prior to joining LanzaTech, she was Vice President and General Manager of the Renewable Energy and Chemicals business unit at UOP LLC, a Honeywell Company. In that role, she led UOP’s renewable business from its inception through to the achievement of significant revenues from the commercialization of multiple novel biofuels technologies.

Dr. Jennifer Holmgren holds a B.Sc. degree from Harvey Mudd College, a Ph.D. from the University of Illinois at Urbana-Champaign and an MBA from the University of Chicago. She currently serves on multiple external advisory boards. She is the author or co-author of 50 US patents, 20 scientific publications and is the 2003 recipient of the Council for Chemical Research’s (CCR) Malcolm E. Pruitt Award.


Mr. Jim Messina

Jim Messina is the President and CEO of The Messina Group, a firm that provides strategic consulting to political campaigns, advocacy organizations and businesses who want to build movements, services and products that succeed by being data driven, digitally-savvy and grassroots focused.

Mr. Messina was the campaign manager for President Barack Obama’s 2012 re-election campaign, which revolutionized the way that political campaigns reach voters and transformed how politics, technology and innovation influence each other.  A pioneer in this field, his advice is sought by organizations adopting groundbreaking approaches and innovative strategies, whether in business or politics.

Mr. Messina served as Deputy Chief of Staff to President Obama from 2009 to 2011. In that role, he was integral to the passage of the landmark health care and economic stimulus bills. Mr. Messina has overseen and consulted on political campaigns across the country.

Mr. Messina is a graduate of the University of Montana where he earned a B.A. in political science.

Gary Rieschel

Gary has been a member of the LanzaTech Board since 2010. He was a senior executive at Intel, Sequent Computer, Cisco Systems, and Softbank Corporation. As a senior operating executive, Mr. Rieschel created or helped structure several of the most successful joint ventures in the history of the technology industry. These included Cisco Systems’ Japanese JV (with Fujitsu, NEC, Toshiba, Hitachi, NTT, and Softbank, among others), Sequent Japan (with Panasonic), Yahoo Japan (with Softbank) and ETrade Japan (with SBI).

Mr. Rieschel has funded 10 companies which grew to over $1B USD in market capitalization, and has been recognized by Forbes Magazine consistently over the past 10 years among their “Midas List” of venture capitalists. Gary participated in the creation of the venture capital industry in China, through the sponsorship and founding of several of China’s leading VC firms, including SOFTBANK China Ventures (1999), SAIF Partners (2001), Ceyuan Ventures (2004), and Qiming Venture Partners (2006). Mr. Rieschel’s personal investment area is Cleantech. He has sponsored investments in fuel cells (Bloom Energy – while in the US), industrial waste water treatment (Dalian Water), clean coal technologies (LP Amina), and biofuels (Lanzatech).

Mr. Rieschel helped found both JUCCCE (Joint US China Cooperation Clean Energy), and the China Greentech Initiative, and actively supports the US China Clean Energy Forum, the Asia Society, One Heart Foundation, and many other philanthropic institutions.

Gary holds a BA in Biology from Reed College in Portland, OR, and an MBA from the Harvard Business School.



Toru Ryoso

Toru Ryoso, began his career in Mitsui & Co., Ltd. in 1981 shortly after graduating from Hitotsubashi University (Tokyo) in Economics.

Throughout his 33 year career at Mitsui & Co., Ltd. Mr. Ryoso has held a number of management level posts across a variety of sectors including steel and power. Fluent in Japanese, Spanish and English, Mr. Ryoso has worked in Mexico and as a General Manager in Santiago, Chile covering steel, power and chemical projects for Mitsui Chile’s Plant & Automobile Department.  

Mr. Ryoso continued to stay involved with steel projects in Asia, CIS, the Middle East and the EU as General Manager of the First Projects Group Heavy Machinery Division from 1998-2001. He then transferred to the Business Development Department of the Steel Raw Materials Business Unit, covering joint projects with POSCO (Korea), Green House Gas (GHG) related businesses (CDM, AAU/GIS, Emissions Trading) and new energy technologies (Hydrogen, Fuel Cell).

After completing a Senior Executive Program (SEP) at Stanford University, USA in 2007, Mr. Ryoso returned as General Manager of Mitsui’s Energy Business Unit II’s  Environmental Business Division, covering GHG related businesses, new energy and biomass energy projects.                     

Today, Mr. Ryoso is Operating Officer of this unit and continues to focus on environmental business opportunities alongside LNG projects.


Dr. Sean Simpson

Sean is the Chief Scientific Officer and a Founder of LanzaTech. Sean holds a PhD from York University, UK, and a Masters degree from Nottingham University, UK. Prior to LanzaTech, Sean had eight years experience in bio-products development. Including operating a cell culture facility and developing a pilot plant with Hoffmann La-Roche in Basel, Switzerland, health biologics with Sandoz Forschungsinstitute, Vienna, Austria, working on crop biologics with the Japan International Research Centre for Agricultural Sciences, Tsukuba, Japan, and most recently, pioneering a process for ethanol production from hardwood with Genesis R&D Corporation in New Zealand. The latter has since been spun out by Genesis R&D and established as a stand-alone company called BioJoule.


Dr. Roger Wyse

Dr. Roger Wyse is Managing Director and General Partner at Burrill & Company a leading Life Sciences company with $1.5 billion in venture capital under management, with businesses in merchant banking, private equity and media.  At Burrill, Dr. Wyse leads the activities in agriculture and industrial biotechnology.

He is Co-Chairman of the $162M Malaysian Life Sciences Capital Fund and serves on the International Advisory Panel for Biotechnology (BioIAP) and The Global Science and Innovation Advisory Council (GSIAC) for the Prime Minister of Malaysia. He is also a member of the International Advisory Board  of the EU based Knowledge Economy Network (KEN). He serves on the Board of the Industrial & Environmental Section of BIO.

Dr Wyse chairs or serves on numerous boards of private companies. 

Dr.  Wyse is a sought after speaker on biotechnology applications and policy in food, agriculture and bio-cleantech. He is an international advisor to countries seeking to access global innovation as a means to accelerate economic development.