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Clay Bretches

Mr. Bretches is the President & CEO of Sendero Midstream Partners. He has spent his career gaining a broad base of experience in all sectors of energy, including upstream, midstream and marketing. Prior to joining Sendero, he worked at Anadarko for 14 years and held various executive management positions, including leading Anadarko's global crude oil, natural gas, and natural gas liquids marketing organization. He also led the Exploration and Production Services division that provided centralized commercial, technical, and logistical support to all of Anadarko's worldwide operations. Prior to joining Anadarko, Clay led the crude oil marketing and midstream operations for Vastar Resources. He started his energy career at Arco as an engineer, working on various drilling, completion, and reservoir engineering projects in West Texas and Mid-Continent areas of operation. His education includes a BS in Petroleum Engineering from Texas A&M and an MBA from the University of Texas. Commissioned as an officer in the U.S. Army Corps of Engineers from Texas A&M, he served in various leadership positions in the U.S. Army reserve. He currently serves on the advisory council of the Electrical Power Research Institute (EPRI) and is a board member of the Gulf Coast Juvenile Diabetes Research Foundation (JDRF).

Robert McNally

Robert McNally is the founder and President of The Rapidan Group, an independent energy consulting and market advisory firm based in the Washington DC area. Mr. McNally's clients include leading global energy market investors, producers, and traders. Mr. McNally’s 24-year professional career includes senior financial market and official posts spanning economic, security, and environmental aspects of energy market analysis, strategy, and policymaking.

Mr. McNally started his professional career in 1991 as an oil market analyst and consultant with Energy Security Analysis, Inc. In 1994, he joined Tudor Investment Corporation and for twelve subsequent years analyzed energy markets, macroeconomic policy, and geopolitics for Tudor portfolio managers, earning promotions to Vice President and Managing Director. From 2001 to 2003, Mr. McNally served as the top international and domestic energy adviser on the White House staff, holding the posts of Special Assistant to the President on the National Economic Council and, in 2003, Senior Director for International Energy on the National Security Council. Mr. McNally served in the Peace Corps in Senegal from 1988-1990.

Mr. McNally earned his double major BA/BS in International Relations and Political Science from American University and his MA in International Economics and American Foreign Policy from Johns Hopkins Paul H. Nitze School of Advanced International Studies (SAIS). He was co-chair for energy policy on the 2008 Romney Campaign, served on the Policy Advisory Committee for Senator Marco Rubio's 2010 campaign, and regularly advises congressional and administration officials on energy policy and markets. Mr. McNally is a Member of the National Petroleum Council and is a non-resident fellow at Columbia University’s Center on Global Energy Policy.

Mr. McNally has testified to the House and Senate on energy markets and national security and speaks to professional conferences on energy markets, policy, and geopolitics. He has been published in Foreign Affairs (co-authored essay with Michael Levi, July/August 2011) and has been interviewed by CNN, The Economist, Fox Business, The Financial Times, The Washington Post, National Journal, Platts Energy Week TV, PBS' Great Decisions in Foreign Policy series, Bloomberg News, Aviation Daily and other programs and journals.

He is the author of the book Crude Volatility: The History and the Future of Boom-Bust Oil Prices, from Columbia University Press, 2017.

Mr. McNally is married and has three children.


Ryan Flynn is the Executive Director of the New Mexico Oil and Gas Association, a trade group representing the hard-working men and women in New Mexico’s oil and natural gas industry. As NMOGA’s Executive Director, Ryan has worked to strengthen relationships with community partners and members, and better communicate with the public about the role and impacts of oil and natural gas in New Mexico. Prior to joining NMOGA, Ryan previously served as the Secretary of Environment and the Natural Resources Trustee for the State of New Mexico.  As Environment Secretary, Flynn brokered several key agreements with federal and state agencies, including a successful agreement with the United States Air Force to remediate groundwater contamination at Kirtland Air Force Base; and a landmark settlement agreement with the United States Environmental Protection Agency and the Navajo Nation over regional haze regulations in the coal and power producing Four Corners region of New Mexico – called by one environmental group, the “greatest environmental improvement in the state’s history.”  Ryan’s settlement agreement with the Department of Energy over violations at Los Alamos National Laboratory and the Waste Isolation Pilot Plant is the largest settlement agreement of its kind in the history of the United States.  Ryan serves as an area defense counsel in the New Mexico Air National Guard and is the proud father of two girls, Livia and Margot.   

Tim McIlwain is Senior Vice President, Production Operations of XTO Energy and is based in Fort Worth, Texas.
Tim was born in Mobile, Alabama. He earned a Bachelor of Science degree in
Petroleum Engineering from Louisiana State University. Tim has spent 35 years in the industry, with the last 19 being at XTO. Tim came to XTO through an acquisition in 1998 and served as Engineering Manager in the newly-formed East Texas Division. In 2005, he moved to Fort Worth to start the Fort Worth Division (Barnett), serving as Vice President. In 2011, Tim moved to Pittsburgh to start the Appalachia Division as Senior Vice President. In 2013, he returned to Fort Worth to assume his present position, overseeing the operations portion of our seven operating divisions.


Melissa Trevino is an Energy Manager with Occidental Energy Ventures, LLC, a subsidiary of Occidental Petroleum Corporation, a leading international oil and gas exploration and production company.  She is a graduate of Texas Tech University with a B.A. in Business Administration-Finance and an M.B.A.

Since joining Occidental almost fifteen years ago, she has been involved with numerous aspects of Occidental’s power business including settlements, sales, purchases, regulatory and management of Occidental’s Retail Electric Provider in the Electric Reliability Council of Texas (“ERCOT”) market.

As an Energy Manager, Melissa is responsible for ensuring low-cost reliable power for Occidental’s New Mexico and Texas assets. She is responsible for the direction of Occidental’s participation in electric utility cases before state and federal commissions, and Occidental’s participation in the stakeholder process in the ERCOT market.