Our Team

Kimmeridge Energy

Ben Dell, Co-Founder & Managing Director

Mr. Dell is Founder and Managing Director of Kimmeridge, and oversees private investment. Mr. Dell is closely involved in the screening of new geological opportunities and in the negotiating and executing of private investment strategies.

Prior to founding Kimmeridge, Mr. Dell was the Co-Head of Energy Investments for AllianceBernstein.

Prior to this role, Mr. Dell was a Senior Equity Research Analyst for Oil and Gas Exploration and Production (E&P) at Sanford C. Bernstein, where he was ranked 1st three times in the Institutional Investor Research Survey for coverage of E&Ps. Mr. Dell was also ranked for Natural Gas coverage and for Oil Services and Equipment. Mr. Dell joined Sanford C. Bernstein in 2003 and his coverage included the largest US and Canadian E&Ps.

Prior to joining Bernstein, Mr. Dell was employed at British Petroleum (BP) in its M&A and finance group where he was the lead analyst on the $6.75 billion acquisition of TNK-BP, the sale of BP’s $125 million convertible bond position in the Zhenhai refinery and the $15 million acquisition of the Gudrun field offshore Norway. In addition, Mr. Dell spent a year in BP’s finance group principally engaged in managing the company’s internal foreign exchange activities. Before moving into the finance field Mr. Dell also held positions as an exploration geologist and geophysicist in BP’s West African, Middle East, Caspian, and Norwegian business units. The role included detailed regional prospect evaluation across much of the Middle East, West Africa and Norway for the 16th licensing round, along with well support for the Temir B well in Kazakhstan.

Mr. Dell has an undergraduate degree in Earth Sciences from St. Peter’s College, Oxford.

Henry Makansi, Managing Director

Mr. Makansi has a decade of experience as a principal investor in private equity with Warburg Pincus, and 3 years in M&A and capital markets with Lehman Brothers and GP Bullhound, a London Investment Bank. He served in a variety of roles at Warburg Pincus, where he most recently was head of the European Energy Practice, responsible for investments in energy sectors, including exploration and production, oil services and alternative energy.

Makansi holds a bachelor’s degree from Erasmus University Rotterdam in economic theory and mathematical economics, as well as a master’s degree from the London School of Economics and Political Science, where he focused on game theory, macroeconomics and international economics.

Neil McMahon, Ph.D., Managing Director

Dr. McMahon is the Director of Research at Kimmeridge Energy and is responsible for private investments, particularly outside the US, and for developing Kimmeridge’s geological research and screening capabilities. Prior to this role, Dr. McMahon was a Senior Equity Research Analyst for the Global Integrated Oils at Sanford C. Bernstein, where he was ranked 1st in the 2009 Institutional Investor Survey, for the third time. Dr. McMahon covered 18 of the largest integrated oils and refiners. He  joined Sanford C. Bernstein in 2002.

Before joining Sanford C. Bernstein, Dr. McMahon was an Engagement Manager at McKinsey, based in both Houston and London, where he had been since 1999. At McKinsey he mainly advised petroleum and electric power and natural gas clients (overseeing ENI’s acquisition of British Borneo and proposed Enterprise acquisition), and undertook proprietary research within McKinsey’s industry practices. Prior to McKinsey, Dr. McMahon worked in the oil industry as a geoscientist with British Petroleum (BP) and British Gas (BG) before moving into consulting with Arthur D. Little where he became a manager in its Global Energy Practice.

Dr. McMahon received an honors degree from The University of Edinburgh in Geology and Geophysics where he later undertook further research to complete a BP sponsored Ph.D. in 1995. Dr. McMahon has also published a number of technical and management-oriented papers in leading oil and gas industry journals, and currently sits on the board of Durham University’s energy research group.

Noam Lockshin, Vice President


Noam Lockshin is a Vice President at Kimmeridge, responsible for management of the firm’s US direct investments.

Prior to joining Kimmeridge, Mr. Lockshin was a Vice President in Alliance Bernstein’s Energy Investing Group.

Mr. Lockshin previously worked as Senior Research Associate at Sanford C. Bernstein, along with Ben Dell, on the #1 ranked E&P research team.

Mr. Lockshin holds a BA in Mathematics from York University.






Alex Inkster, CFA, Vice President


Alex Inkster is currently Vice President of Energy Investments for Kimmeridge Energy.

Prior to this, Mr. Inkster worked for 2 years as VP of Direct Energy Investing at AllianceBernstein and previously worked for 3 years as a Senior Equity Research Associate for Global Integrated Oils at Sanford C. Bernstein, covering 18 of the largest integrated oil companies and refiners.

Before joining Sanford C. Bernstein, Mr. Inkster worked for 3 years at General Electric, completing the company’s financial management program and working in the Energy and Oil & Gas divisions.

Mr. Inkster holds a first class honours degree in Economics from University College London and is a CFA Charterholder.



Neda Jafar, Associate


Neda Jafar is an Associate at Kimmeridge, responsible for the firm’s operations and investor relations.

Prior to joining Kimmeridge, Ms. Jafar was an Assistant Vice President at HSBC in a financial capacity for the New York Credit Trading desk and spent two summer internships with General Electric in the company’s financial management program.

Ms. Jafar graduated Summa Cum Laude with a B.S. from New York University.







Kimmeridge Capital

Michael P. Sedoy, CFA, CIO and Portfolio Manager


Mr. Sedoy is the Chief Investment Officer and principal portfolio manager of the Kimmeridge Energy Advantage Fund. Prior to joining Kimmeridge, Mr. Sedoy was a Portfolio Manager at Diamondback Capital, where he was responsible for the Energy, Utilities and Alternative Energy Sectors for six years.

Prior to joining Diamondback Capital, Mr. Sedoy was Co-Portfolio Manager of two capital and income funds at Salomon Brothers Asset Management and sector head for the energy and utilities research team.

Mr. Sedoy was responsible for asset allocation between equity, fixed income, and convertible asset classes, sector allocation with equity portfolios, and managing a best ideas portfolio. Prior to his time with Salomon Brothers Asset Management, Mr. Sedoy held a position at AllianceBernstein as a senior investment grade, high yield and distressed utilities and pipelines analyst, a position as a sell side integrated oils and refiners research associate at Sanford C. Bernstein, and an associate at Ladenburg Thalmann International in the emerging markets private equity group.

Mr. Sedoy has an undergraduate degree from Kharkov University of Trade, Ukraine, an MBA from the University of Bridgeport, and is term member of the Council on Foreign Relations.

Daniel McKenna, Senior Analyst


Mr. McKenna is a Senior Analyst for the Kimmeridge Energy Advantage Fund. Prior to Kimmeridge, Mr. McKenna worked for five years as an energy, utilities and commodities analyst at Diamondback Capital. Prior to Diamondback, he worked for two years as an investment banking analyst in Merrill Lynch’s Global Energy & Power Group.

He also served as an infantryman during Operation Iraqi Freedom and, while in Iraq, led an intelligence detachment that worked with Sunni tribal leaders and Iraqi police.

Mr. McKenna graduated from Georgetown University, with a double-major in Accounting and Finance.






Roxanna Associates

Kimmeridge Energy has an exclusive exploration consulting agreement with Roxanna Associates, who engage in prospect generation for Kimmeridge. Roxanna was founded in 2002 by Marlan Downey as an outgrowth of his extensive oil and gas management consulting practice in partnership with Julie Garvin. In the past, Roxanna has provided consulting services to both independent and publicly traded oil companies.

Julie Garvin joined Roxanna as President in 2005. She has 23 years of experience with Marathon Oil Company in a variety of technical and managerial positions. She has a proven track record of generating and managing exploration plays, and has received numerous awards for her efforts in discovering major new oil and gas fields during her career with Marathon. During her leadership at Roxanna, the company has increased its working and royalty interest in major, new resource plays to over 500,000 acres.