Leadership

Brian F. Maxted is a leading oil and gas explorationist with an impressive record of discoveries and worldwide experience in the upstream petroleum business. He has served as chief executive officer since January 2011, leading Kosmos in all aspects of the business to deliver its corporate strategy and become a best-in-class organization. In 2012 Maxted assumed the role of chief exploration officer, in addition to his role as CEO, in order to apply his expertise more intently to the Company’s long-term goals. Before co-founding Kosmos in 2003, he was senior vice president of exploration for Triton Energy, where he led a series of discoveries offshore Equatorial Guinea. He also managed the discovery of several large gas/condensate fields by Carigali-Triton Operating Company in the Malaysia-Thailand Joint Development Area and the discovery and confirmation of Colombia’s giant Cusiana and Cupiagua oil fields. Following the sale of Triton to Amerada Hess Corporation (now Hess Corporation), Maxted oversaw continued Hess exploration success in Equatorial Guinea as senior vice president of global exploration and new ventures. He also led the company’s Gulf of Mexico deepwater strategy. Prior to its recent acquisition, Maxted was a member of the board of directors of Broad Oak Energy, a company that focuses on improving recovery from mature U.S. onshore oil-and-gas producing regions. He holds a master’s degree in organic geochemistry and petrology from the University of Newcastle-upon-Tyne and a bachelor of science in geology from the University of Sheffield.

W. Greg Dunlevy leads Kosmos financial, planning and administrative functions. He was instrumental in securing multi-billion dollars in combined debt and equity commitments by a global consortium of banks and financial institutions, which supports the company’s exploration, appraisal and development program. Dunlevy has extensive experience and expertise in oil and gas finance, planning, treasury and banking. He has worked with large- and mid-cap U.S. independents for more than 25 years. Before co-founding Kosmos in 2003, Dunlevy was CEO of Moncrief Oil International. Previously, Dunlevy was senior vice president, CFO and treasurer of Triton Energy, where he worked closely with the CEO in setting strategic direction. Upon the sale of Triton to Amerada Hess Corporation (now Hess Corporation), he led its transition from a publicly held company to a Hess business unit. Dunlevy began his career with ARCO, where he worked for ARCO Petroleum Products Company, the ARCO Oil and Gas Company and Lyondell Petrochemical Company subsidiaries. Dunlevy is a graduate of Harvard Business School and the College of William and Mary.

Darrell McKenna joined Kosmos as chief operating officer in January 2012. A pragmatic business leader with more than 30 years’ experience managing and operating major oil and gas assets around the world, McKenna came to the company after eight years with Hess Corporation, where he most recently was president of Hess Australia. He was responsible for the planning and execution of the Hess exploration, development and production program in Australia. While at Hess, McKenna served in several executive positions, including vice president of global drilling and completions, vice president of exploration and production technology, and vice president of the company’s African business unit. Previously, McKenna worked 18 years for Mobil Oil Corporation where he last served as general manager of new exploration and production ventures and oversaw the company’s entrée into Brazil. He led new ventures and business development efforts in Vietnam, served as advisor for Asia Pacific and Middle East regional business matters, and managed operations engineering in Nigeria. He also served as a business development executive for Lewis Energy Group, Energy Virtual Partners and Schlumberger Oilfield Services. McKenna received a bachelor of science degree in petroleum engineering from the Montana School of Mineral Science and Technology.

As an exploration geologist, Paul Dailly has participated in the exploration and appraisal of major discoveries from the North Sea to Southeast Asia and Africa. During the last several years, Dailly has coordinated the building to drill-out of the Kosmos exploration portfolio and the transitioning of the company’s several Ghanaian discoveries from appraisal to development. Dailly was the geologist and technical team leader responsible for exploration and appraisal of multiple Triton Energy oil field discoveries offshore Equatorial Guinea. Earlier with Triton, he was involved in the acquisition and exploration of licenses in Indonesia, Madagascar and China. Following the sale of Triton to Amerada Hess Corporation (now Hess Corporation), he served as the Hess exploration technical team leader in Equatorial Guinea and later as regional exploration manager in the deepwater Gulf of Mexico. Before joining Triton, Dailly worked for BP, where he was involved in the exploration and appraisal of the Mungo and Monan fields in the central North Sea and the Lan Tay and Lan Do gas fields in Vietnam. Dailly began his career at BP as an exploration geologist, serving in a number of the company’s international businesses. Dailly graduated from Edinburgh University and holds a PhD in geology from the University of Oxford.

Marvin M. Garrett has more than 30 years of experience managing oil and gas drilling, production and development activities worldwide. Prior to joining Kosmos in January 2006, Garrett served as Vice President of Operations for Triton Energy. Garrett led the fast-track development of the deepwater Ceiba oil field discovery offshore Equatorial Guinea. His team achieved first production in only 14 months from discovery. He also had responsibility for Triton production from the giant Cusiana and Cupiagua oil fields in Colombia and development of the company’s multi-field gas/condensate project in the Malaysia/Thailand Joint Development Area. While with Triton, Garrett also managed the company’s drilling program in Argentina, China, Ecuador, Greece, Guatemala and Italy. Following the sale of Triton to Amerada Hess Corporation (now Hess Corporation) in 2001, Garrett served as Vice President of Production during the Triton transition from a public company to a Hess business unit. In 1990, Garrett joined British Gas where he entered the international oil and gas arena with responsibilities for managing operations on assets in West Africa, North Africa and the Middle East. In 1992, British Gas seconded Garrett to Zaafarana Oil Company in Egypt where he led the development of the Warda oil field in the Gulf of Suez. Garrett began his career in 1978 with Tenneco Oil Company as a drilling engineer. Garrett received a bachelor of science degree in petroleum engineering from the University of Louisiana – Lafayette.

Eric J. Haas has nearly 30 years of technical and management experience in support of exploration, development and production projects. After joining Kosmos in early 2008, Haas led the appraisal and development program of the company’s Jubilee oil field offshore Ghana. Prior to joining Kosmos, he spent nearly 25 years at Hess Corporation, where he was responsible for numerous production and development projects in the Gulf of Mexico, Northwest Europe, Russia, and North and West Africa. Following the sale of Triton Energy to Amerada Hess Corporation (now Hess Corporation) in 2001, Haas was a member of the Hess team that managed the transition of Triton’s discoveries offshore Equatorial Guinea to the company’s West Africa business unit. He subsequently headed the team that appraised and developed these discoveries, which became known as the Okume Complex. Haas holds a bachelor of science degree in petroleum engineering from the New Mexico Institute of Mining and Technology.

William S. Hayes brings over 30 years of legal experience to Kosmos. During his career he has worked for or represented major and independent exploration and production (E&P) companies, both public and private, in some 30 countries, with particular proficiency in representing companies operating in Africa. Hayes has led numerous entities’ legal activities and supported operations, marketing, finance, asset rationalization and acquisitions. He also has directed corporate administration and risk management functions. He was senior vice president and general counsel for two London-based public independent E&P companies with primary operations in Russia and Ukraine – Urals Energy and Cardinal Resources, respectively. He also headed legal activities at Vanco Energy, a private, international exploration company with African deepwater oil and gas assets, and has represented numerous global E&P companies as a Houston-based independent legal practitioner. Earlier in his career, Hayes was a senior attorney for British Gas Exploration & Production. He began his career as an attorney with Andrews & Kurth in Houston, where he entered the oil and gas sector. Hayes received a Juris Doctor from St. Mary’s University School of Law and a bachelor’s degree in journalism from the University of Texas. He is member of the State Bar of Texas, the International Bar Association and the Association of International Petroleum Negotiators.

Jason E. Doughty has nearly 20 years of legal experience in the international oil and gas industry. Prior to joining Kosmos in September 2011, Doughty spent more than 11 years with ConocoPhillips in various leadership roles, including serving as deputy general counsel, Americas Exploration and Production. During his tenure with ConocoPhillips, he was responsible for the company’s commercial litigation and international arbitration efforts; the Lower 48 and Latin America E&P legal group; and the Indonesia legal group. Previously, Doughty was an attorney with ExxonMobil in Houston and a commercial litigation attorney in private practice in Santa Fe, New Mexico. He earned a Juris Doctor from the University of Houston Law Center, a master’s degree in business administration from the University of Texas at Austin and a bachelor of science degree in finance from Louisiana Tech University. Doughty is a member of the State Bar of Texas.

Paul M. Nobel joined Kosmos with over 20 years of industry and public accounting experience. In his role, Nobel is responsible for all of the Company’s accounting, financial reporting, and insurance processes. Prior to joining Kosmos in July 2012, he was senior vice president and chief accounting officer of World Fuel Services Corporation, a multi-billion dollar global fuel logistics company. He concurrently held multiple other financial leadership positions at World Fuel Services, including senior vice president finance – EMEA; senior vice president of the company’s land segment; senior vice president, audit and business controls; senior vice president – treasurer; and senior vice president – corporate finance. He began his career at Deloitte & Touche LLP, where he served in various capacities in the assurance and advisory group, including senior manager. Nobel earned a bachelor of science degree from Florida State University and is a certified public accountant. He is a member of the Florida Institute of Certified Public Accountants and the American Institute of Certified Public Accountants.

Ty Gaston directs Kosmos human resource functions, including recruiting, compensation, benefits, and payroll administration. He has extensive domestic and international HR experience and is a certified Senior Professional of Human Resources. Before joining Kosmos in early 2012, Gaston was senior vice president and chief operations officer, human resources, for the outsourcing division of Xerox Corporation, with responsibility for HR operations in 39 countries. He was a member of the acquisition team for Xerox’s purchase of Affiliated Computer Services. Previously, Gaston served as vice president, human resources, and vice president, corporate quality improvement, for Haggar Clothing Company. Prior to that he managed corporate quality improvement and directed two manufacturing departments for a consumer products division of Johnson and Johnson. A former U.S. Marine, Gaston holds a bachelor of science degree in business administration from Virginia Commonwealth University.