L. Lynn Smull has served as Chief Financial Officer of Gevo since December 2019. Prior to joining Gevo, Mr. Smull served from 2018 to 2019 as Chief Financial Officer of One Energy Enterprises, a distributed-generation wind energy developer and owner using utility-scale turbines. From 2016 to 2018 he served as President of WElink Energy US, LLC, an investor and provider of renewable energy and low-carbon housing solutions. Prior to WElink, Mr. Smull served as Head of Foresight Group US, LLC, an independent infrastructure and private equity investment manager from 2015 to 2016. Mr. Smull provided advisory services to private equity firms on large power and infrastructure investments and transactions from 2013 to 2015. Mr. Smull has 30 years of experience in capital raising, investing, lending, and M&A including while working for firms such as Bechtel, Salomon Brothers, Bank of America, Calpine, and Table Rock Capital.