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Mr. Baum has served as a director of Gevo since January 2016 and serves on the Nominating and Corporate Governance Committee. Since January 2015, he has operated a consulting business advising small biofuel and renewable chemical companies on a variety of commercial matters.

Mr. Baum served as Chief Business Development Officer of Genomatica, Inc. from September 2010 until April 2014. From August 1997 to September 2010, Mr. Baum served in various roles at Diversa Corporation (now known as Verenium Corporation), a biotechnology company focused on the development of biofuels, including Vice President Sales and Marketing from August 1997 to November 1999, Senior Vice President, Business Development from November 1999 to July 2002 and Executive Vice President, Business Development from July 2002 to August 2010.

Prior to joining Diversa, Mr. Baum served as the Vice President of Global Sales and Marketing at International Specialty Products, Inc., a specialty chemicals company, and held a variety of executive positions, both in the United States and internationally, at Betz Laboratories, Inc., a specialty chemicals company.

Mr. Baum currently serves as a director on the board of directors for Watt Companies, Inc., Leaf Resources Limited and Arzeda Corporation.