Jonathan S. Linker

Jon founded ESS Funds in 2005 with the principal focus of providing growth capital and assistance to companies in the energy industry. Previously, he spent 14 years with the energy private equity firm First Reserve Corporation. Jon was a founder and CFO of Intercontinental Development Corporation, a leveraged buyout of certain energy assets from Phibro-Salomon. Jon’s early career included serving as CFO of Phibro Resources, CFO of Gill and Duffus Holdings and Treasurer of Barber Oil Corporation. He began his career as a geologist at ARCO. As a private investor, Jon has formed and managed three small E&P companies. He is a Director of Range Resources Corporation. Jon received a BA in Geology from Amherst College and an MA in Geology and an MBA from Harvard University.

Kelli L. Gillespie

Kelli joined ESS Funds in 2008. Her primary responsibilities include the financial operations, investor relations, regulatory and administrative activities of the firm.  Prior to her role at ESS Funds, Kelli worked at Continental Airlines in their Financial Reporting (SEC) department.  She helped develop and implement Continental Airlines derivative program.  She began her career in the assurance practice of PricewaterhouseCoopers as an auditor of Investment Management and Financial Services. Kelli holds a BBA in Accounting from Sam Houston State University, where she graduated Summa Cum Laude, and a BA from Texas Tech University.  She is a Certified Public Accountant.