Meet our Directors

Tim Vail has a long career of successfully building energy companies in the downstream and alternative energy arena. His latest venture, Arbor Renewable Gas, focuses on the conversion of waste wood biomass into pure hydrogen at industrial scale for chemical producers and refiners. Prior to Arbor, Tim founded G2X Energy in May of 2012. Tim’s central role at G2X was developing, financing, and building of world scale energy infrastructure projects, using proprietary processes and a proven execution team, that convert abundant natural gas into methanol and ultimately automotive gasoline. Since the founding of G2X, Tim grew the business into one of the largest producers of methanol in the world, commissioning the world’s largest methanol plant located in Beaumont, Texas. In May of 2018, Tim sold G2X Energy to a group of private investors that included his largest investor, Consolidated Energy Limited of Zurich. Prior to his current position, Tim was President and CEO of Synthesis Energy Systems, Inc, a global developer of coal gasification facilities. During his tenure at SES, Tim successfully listed the company on the NASDAQ. Before SES, Tim held various leadership roles including Director of Commercialization of General Motors fuel cell program, head of alternative energy technologies at Enron Corporation and an MLP securities law practice with Andrews & Kurth. Tim holds a J.D. from the University of Houston Law Center and a B.A. in Economics from The University of Texas at Austin. He resides in Houston, Texas with his wife, Elizabeth, and eighteen-year-old twins, Peter and Alexandra

Pieter Houlleberghs is a Director, Investment at Temasek, where he covers the Clean Energy & Environmental industries in the Americas. Prior to joining Temasek, Pieter was an energy sector investment banker with UBS, Rothschild and Barclays in Paris, London and Sydney. Pieter holds an MBA from INSEAD and Masters in Engineering (MEng) degrees from Imperial College London and the Ecole Centrale de Lyon.