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Mr. Dirk C. McMahon is a President & Chief Operating Officer at UnitedHealth Group, Inc. and a Chief Executive Officer at United Healthcare Corp. He is on the Board of Directors at Bridging, Inc. Mr. McMahon was previously employed as a Chief Executive Officer by UnitedHealthcare, Inc., a President & Chief Operating Officer by InGensa, Inc., a Head-Airport Airlines by Northwest Airlines, Inc., and a Chief Executive Officer by OptumRx, Inc. He received his undergraduate degree from Marist College and an MBA from the University of Notre Dame.

Neil McMahon serves as Managing Partner at Kimmeridge and is responsible 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 first three times in the Institutional Investor Research Survey.
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 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 published a number of technical and management-oriented papers in leading oil and gas industry journals.

Andrew John McMahon is currently the President, Chief Executive Officer & Director at The Guardian Life Insurance Company of America.
He is also the President & Chief Executive Officer at The Guardian Life Insurance Co. of America (Invt Portfolio).
In addition, he serves as a Director at Catalyst, Inc. and is a Member of the American Council of Life Insurers.
In the past, Mr. McMahon held positions such as Chairman at Equitable Advisors LLC from 2007 to 2012.
He was also a Director at Equitable Financial Life Insurance Company of America, Director & President-Financial Protection at AXA Financial, Inc., and an Independent Director at The Nassau Cos.
of New York, Inc. He served as a Director at Alliance New York Municipal Income Fund, Inc. and AllianceBernstein Holding LP.
Additionally, he was a Director at AllianceBernstein Corp.
and held positions at General Electric Co., McKinsey & Co., Inc., Equitable Financial Life Insurance Co., and Delwinds Insurance Acquisition Corp.Mr. McMahon completed his undergraduate degree at Fairfield University and holds an MBA from Columbia Business School.

Ingrid McMahon is currently the Director of Investor Relations at SIG Group AG and a Director at Ferrexpo Finance Plc.
Previously, she worked as the Head of Investor Relations and Corporate Communications at Ferrexpo Plc and as a Research Analyst at Investec Bank Plc.

Kevin J.
McMahon worked as the Chairman and CEO of Jacobs Edwards & Kelcey, Inc. from 1991 to 2007.
He also worked as a Group Vice President at Jacobs Engineering Group, Inc.