Governance at a Glance

Board Committee Member Legend and Committee list
Chair
Member
Chairman of the board
Committee List
Board Members Audit Compensation Nominating and Corporate Governance
Will Ulrich  
Audit
Compensation
Audit
Compensation
Nominating and Corporate Governance
Compensation
Nominating and Corporate Governance
Audit
Nominating and Corporate Governance

Committee Charters

Will Ulrich Headshot

Will Ulrich

Will is co-CEO of Presidio since co-founding the company in 2017. He has over 18 years of energy experience and is focused on using technology and best practices to drive behavior change in the oilpatch.

His mission is to create the industry's best return on capital employed by delivering the industry's lowest operating expenses, highest profitability and best emissions profile.

He graduated from Harvard College with a degree in Economics and began his career as an investment banker at UBS.

Chris Hammack Headshot

Chris Hammack

Chris is co-CEO of Presidio since co-founding the company in 2017. He has over 25 years of energy experience and is passionate about driving innovation in field operations.

Chris spends significant time in the field focused on training and empowering field personnel to take responsibility for their performance.

He graduated from Texas A&M with a degree in Petroleum Engineering.

Daniel C. Herz

Daniel C. Herz is chair of the Compensation Committee and a member of the Audit Committee. Since 2021, Daniel has been the Founder, President and Chief Executive Officer of WhiteHawk Energy, LLC, a mineral and royalty interests company focused on oil and natural gas assets. In his capacity as Founder and CEO, he is responsible for the strategic direction, growth initiatives and overall operational leadership of the company. Prior to WhiteHawk, Daniel served as Founder, President and Chief Executive Officer of Falcon Minerals Corporation (NASDAQ: FLMN), a publicly traded minerals and royalties company, from August 2018 until June 2021, and served on its Board of Directors from May 2020 until June 2021. From April 2015 until October 2018, he served as President of Atlas Energy Group, LLC (formerly NYSE: ATLS). In addition, beginning in April 2015, Daniel served as a director and Chief Executive Officer of Atlas Resource Partners, L.P., which filed a voluntary petition for reorganization under Chapter 11 of the U.S. Bankruptcy Code in August 2016. He led the company through a consensual reorganization and continued to serve as director and Chief Executive Officer following the company’s emergence from bankruptcy and its subsequent renaming as Titan Energy, Inc., until August 2018. He also served in executive roles in corporate development and strategy for Atlas Energy and its affiliates, including senior vice president positions with Atlas Energy, L.P. and Atlas Pipeline Partners, GP, LLC, overseeing the company’s sales to Chevron Corporation and Targa Resources Corporation, respectively. Daniel began his professional career in investment banking in 1999, where he focused on energy sector corporate finance and mergers and acquisitions.

Jerry Schretter

Jerry Schretter is chair of the Audit Committee. Since 2024, he has been a Senior Advisor at Cripps Leadership Advisors, an Energy Executive Search firm based in London and Houston. In this capacity, Jerry leverages his client network of over thirty-five years to identify executive placement opportunities globally at the board and senior executive level. From 2019 to 2024, he served as a Vice Chairman and Co-Head of Americas Energy in Investment Banking at Bank of America. In this capacity, Jerry was responsible for strategic and financing advisory and managing some of the bank’s most important clients. Prior to Bank of America, he worked in senior investment banking roles covering the energy sector at Citi, UBS, Deutsche Bank and Morgan Stanley.

Jeffrey S. Serota

Jeffrey S. Serota is chair of the Nominating and Corporate Governance Committee and a member of the Compensation Committee. Since 2016, he has served as Vice Chairman and Chief Investment Officer at Corbel Capital Partners, a multi-strategy investment firm with over $1 billion in assets under management. Prior to that, Jeffrey served on various boards of public and private companies, prior to that he was a Senior Partner at Ares Management. Jeffrey has more than thirty years of experience as a principal investor and operating executive, including serving as Chairman of three publicly traded companies. He brings to the Board substantial experience in private equity, strategic investing, and corporate governance. His background leading investment platforms, overseeing public-company strategy, and evaluating complex capital-allocation decisions strengthens the Board’s oversight of financial strategy, investment discipline, and long-term value creation. Jeffrey has extensive experience as a public company director and chairman, including companies in the energy industry. He has served on the boards of directors of several companies that were publicly traded at the time of his service, including Great Elm Group, Inc. (NASDAQ: GEG), where he served as Chairman of the Board; Goodrich Petroleum Corporation (formerly NYSE: GDP); SandRidge Energy, Inc. (NYSE: SD), where he served as Chairman of the Board; EXCO Resources, Inc. (formerly NYSE: XCO); and CIFC Corp. (formerly NASDAQ: CIFC), where he also served as Chairman of the Board. In addition, Jeffrey previously served on the Supervisory Board of LyondellBasell Industries N.V. (NYSE: LYB) and on the board of Douglas Dynamics, Inc (NYSE: PLOW).

Jerry Silvey

Jerry Silvey is currently the Chief Executive Officer and Chairman of the EQV Group, which he founded in 2022. Jerry is also currently Chief Executive Officer of EQV Ventures Acquisition Corp. II, an affiliate of the EQV Group, where he also serves as director. From 2016 to 2022, he served as a senior investment professional in the Energy & Infrastructure group at Magnetar Capital LLC, where he was responsible for the execution and management of over $2 billion of highly structured direct investments across the energy asset spectrum. Previously, Jerry was a member of the energy global investment banking group at the Royal Bank of Canada specializing in the acquisition, divestment and restructuring of upstream oil and gas assets. He holds a Bachelor of Business Administration in Energy Finance from Southern Methodist University.

Tyson Taylor

Tyson Taylor is currently the President and a director of the EQV Group, a position he has held since 2022. He is also currently President and Chief Financial Officer of EQV Ventures Acquisition Corp. II, an affiliate of the EQV Group, where he also serves as director. From 2015 to 2022, Tyson served as Counsel to Magnetar Capital LLC, where he operated as lead counsel for the Energy & Infrastructure group, managing all legal aspects of the funds, including transaction execution, fund compliance and fund management. Previously, he was the General Counsel and Corporate Secretary at Star Peak Corp II, a blank check company that completed its business combination with Benson Hill, Inc. (NYSE: BHIL) in September 2021, and Secretary and General Counsel at Star Peak Energy Transition Corporation, a blank check company that completed a business combination with Stem, Inc. (NYSE: STEM) in April 2021. He was an attorney with Kirkland & Ellis LLP from 2013 to 2015 and Simpson Thacher & Bartlett LLP from 2010 to 2013. Tyson holds a Masters in Finance from the London Business School, a Juris Doctorate from the University of Pennsylvania Carey Law School and a Bachelor of Arts in Economics from Brigham Young University.

James E. Vallee

James E. Vallee is a member of the Compensation Committee and the Nominating and Corporate Governance Committee. Since 2020, he has been a founding partner and managing director of Valhil Capital and Valhil Advisors, private investment and strategic advisory firms focused on long-term principal investments in the energy, infrastructure and related sectors. He is also co-founder and Chairman of Deltawave Energy, co-founder of HoneycombQ, and publisher of Astrolight Media, through which he engages with boards and senior executives on corporate governance, capital allocation, and long-term strategic growth initiatives. Prior to founding Valhil, James spent more than two decades as a partner and senior attorney at leading global law firms in Houston, including Paul Hastings, Jones Day, and Winston & Strawn. His practice focused on mergers and acquisitions, capital markets transactions, and strategic joint ventures in the energy industry. During his legal career, he represented public and private companies, private equity firms, and financial institutions and regularly advised public company boards and management teams on significant energy and industrial transactions, governance matters, and conflicts oversight.

Ray N. Walker, Jr.

Ray N. Walker, Jr. is a member of the Audit Committee and the Nominating and Corporate Governance Committee. Ray has more than 50 years of experience in the oil and gas industry, with a background in operations, asset development, and executive leadership. He most recently served as Chief Operating Officer of Encino Energy, from 2018 until its acquisition by EOG Resources, Inc. in 2025, where he was responsible for overseeing the company’s operations and development activities. From 2012 to 2018, Ray served as Executive Vice President and Chief Operating Officer of Range Resources Corporation. Since August of 2025, he has served as a member of the Board of Directors of MPLX GP LLC (the general partner of MPLX LP, NYSE: MPLX) and is a member of the Audit Committee and the Conflicts Committee. Ray also currently serves on the Board of Directors of Solaris Energy Infrastructure, Inc. (NYSE: SEI), where he serves as Chair of the Compensation Committee. He has also previously served as an energy advisor to the Federal Reserve Bank of Cleveland.