Company Directory
Zachary Zangl
- Managing Director, Compliance
- Legal & Compliance
Zachary is a Managing Director in Compliance with Stonepeak. Prior to joining Stonepeak, Zachary was the Chief Compliance Officer at Czech Asset Management, L.P. Before that, Zachary was a Senior Compliance Officer at Apax Partners. Zachary has also held compliance roles at Morgan Stanley and started his career as a Legal Assistant at Davis Polk & Wardwell LLP supporting the Financial Institutions group.
Zachary received a Bachelor of Arts in Political Science and History from the University of Wisconsin-Madison.
Daniel Zinic
- Managing Director
- Investor Relations
Daniel is a Managing Director with Stonepeak. Before joining Stonepeak, Daniel was a Managing Director at Park Hill Group. Prior to Park Hill, Daniel was a Partner at First Avenue Partners in Institutional Sales with a focus on the DACH region. Earlier in his career, Daniel worked in sales and distribution at both Citigroup and Fidelity.
Daniel received a Bachelor of Business Administration degree from Darmstadt University in Germany.
Andrew Barron
- Operating Partner
- Senior Advisors & Operating Partners
Andrew is an Operating Partner with Stonepeak and supports Stonepeak’s investments in communications and digital infrastructure. Andrew has enjoyed a long career of senior operating roles in telecom and media companies primarily in Europe, including Virgin Media (Chief Operating Officer), Modern Times Group (Chief Operating Officer), UPC (now Liberty Global), The Walt Disney Company and McKinsey. Andrew currently serves as a Non-Executive Director on the boards of Openreach, Tele2, Verisure and Ocean Outdoor. Andrew is also a former Chairman of Comhem and Primacom, and a former Non-Executive Director at Arris.
Ken desGarennes
- Operating Partner
- Senior Advisors & Operating Partners
Ken is an Operating Partner with Stonepeak and supports Stonepeak’s investments in communications and digital infrastructure. Ken has more than twenty years of telecommunications experience. He served for over ten years as the Chief Financial Officer of Zayo Group, overseeing all financial operations of the business, including over forty-five acquisitions and the company’s 2014 Initial Public Offering. Prior to Zayo, Ken served as Chief Financial Officer at Wire One Communications and previously Accenture. Ken currently serves as Chairman of the Board of Directors of Six Degrees, a leading cloud-led managed service provider in the UK.
Dino Djalal
- Senior Advisor
- Senior Advisors & Operating Partners
Dino is a Senior Advisor with Stonepeak and supports Stonepeak’s investment efforts in Asia. During his long and distinguished diplomatic career, Dino served as the Indonesian Ambassador to the United States, Vice-Minister for Foreign Affairs, and advisor to the Indonesian President.
Dino received a Bachelor of Arts in Political Science from Carleton University, a Master of Arts in Political Science from Simon Fraser University, and a Doctor of Philosophy in International Relations from the London School of Economics.
Gordon DuGan
- Operating Partner
- Senior Advisors & Operating Partners
Gordon is an Operating Partner with Stonepeak and supports Stonepeak’s efforts across multiple sectors adjacent to the real estate industry. He is the former Chief Executive Officer of Gramercy Property Trust which was sold to Blackstone Equity Partners VIII, LP for $7.6 billion in October of 2018. Gordon oversaw the growth of Gramercy from $300 million in net assets when he became CEO in 2012 until the sale to Blackstone. Gramercy was the third best performing REIT in the United States over that period. Prior to Gramercy, Gordon was CEO of W.P. Carey & Co. from 2003-2010. During his tenure as CEO, W.P. Carey grew to $10 billion in assets, was one of the few public companies not to cut its dividend during the financial crisis, and significantly outperformed the MSCI US REIT index. In addition, Gordon founded the European investment business of both WPC and Gramercy during his tenure at those companies overseeing over $4 billion in European investments. Gordon is a former member of the Board of Governors of NAREIT, a member of the Council on Foreign Relations, and the Treasurer of the Innocence Project.
Gordon received a Bachelor of Science in Economics with a concentration in Finance from the Wharton School of the University of Pennsylvania.
Theresa Eaton
- Operating Partner
- Senior Advisors & Operating Partners
Theresa is an Operating Partner with Stonepeak and supports Stonepeak’s efforts in renewables, energy transition, and energy infrastructure. Theresa is the Chief Executive Officer, Chairperson and Owner of WECS Renewables, a national utility-scale distributor for the solar, battery storage, wind, and data center industries.
Theresa previously served as a Partner of SCF Partners, an energy services and equipment private equity firm, where she led the firm’s origination efforts and had strategic growth responsibility for development of investments, serving on several company boards.
Theresa is currently a Director of WECS Renewables, West Texas Gas Corporation, the American Clean Power Association, the Center for Renewable Energy Advanced Education (a National Science Foundation-founded organization that provides training for educators who teach wind and solar installers and technicians), and Duke University’s Board of Innovation & Entrepreneurship.
Theresa received a Juris Doctorate and a Bachelor of Arts in Japanese and International Studies from Duke University.
Bill Fathers
- Operating Partner
- Senior Advisors & Operating Partners
Bill is an Operating Partner with Stonepeak and supports Stonepeak’s investments in communications and digital infrastructure. Bill was most recently Executive Vice President of Cloud Services at VMware and previously served as President of Savvis, a public data center and cloud infrastructure provider. Bill was a member of the Board of Directors of Telx, a leading cross-connection and colocation platform. He also worked for Thomson Reuters, where he helped build businesses in a number of international markets throughout Europe, Asia and North America.
A former officer in the British Army, Bill received a Master of Arts in Engineering from Cambridge University.
DJ Gribbin
- Operating Partner
- Senior Advisors & Operating Partners
DJ is an Operating Partner with Stonepeak and supports Stonepeak’s investments in transportation as well as with public sector relations. Before joining Stonepeak and founding his own consulting firm, DJ served in the White House as the first Special Assistant for infrastructure to the U.S. President. In this role, DJ led the effort to develop the Administration’s infrastructure policy and championed permitting reform. In the public sector, DJ has also served as General Counsel for the U.S. Department of Transportation and Chief Counsel for the Federal Highway Administration, where he created a public-private partnership (P3) task force and authored a report to the U.S. Congress underscoring the advantages of alternative delivery methods. In the private sector, DJ was previously the head of governmental advisory for Macquarie Capital and led advisory teams structuring P3 transactions for governmental clients. DJ has also worked for Koch Industries and HDR helping clients develop innovative ways to deliver infrastructure.
DJ received a Bachelor of Arts and a Juris Doctorate from Georgetown University and is a member of the Virginia Bar.
Michael Heim
- Operating Partner
- Senior Advisors & Operating Partners
Mike is an Operating Partner with Stonepeak and supports Stonepeak’s investments in energy. Mike is a founder and former Vice Chairman of the Board of Targa Resources Corp. He was with Targa from 2003 to 2019, initially as Executive Vice President and Chief Operating Officer and later as President and Chief Operating Officer. His primary roles at Targa included leading the company’s Commercial, Engineering, Construction, Operations, ES&H, Land, and Procurement Departments for all owned assets and direct participation in all acquisitions, divestitures, and business development. Prior to Targa, Mike was an officer of several Coastal Corporation subsidiaries in the energy sector. Mike is currently on the board of Oryx Midstream Services. He is also on the Management Committee of Ohio Valley Midstream, a gathering, processing, and fractionation company in Appalachia. Additionally, he is a Lifetime Director of the Houston Livestock Show and Rodeo, which promotes agriculture, Texas education, and showcases Western Heritage.
Mike received a Bachelor of Science in Aerospace Engineering from the University of Texas at Austin and a Master of Business Administration from the University of Houston, with a concentration in finance and international business.
Denis Hughes
- Operating Partner
- Senior Advisors & Operating Partners
Denis is an Operating Partner with Stonepeak and supports Stonepeak’s government and labor relations efforts. Denis served four terms as President of the New York State AFL-CIO where he achieved numerous legislative victories to advance labor interests. Denis was also instrumental in securing $20 billion in federal funds to rebuild New York City after the 9/11 tragedy as well as securing passage of the James Zadroga 9/11 Heath Care and Compensation Act, which provides necessary funding for medical care for 9/11’s first responders. Denis served on the Board of Directors of the Federal Reserve Bank of New York from 2004-2010, including as Chairman from 2009-2010.
Denis received a Bachelor of Science in Labor and Industrial Relations from Empire State College.
Flemming Jacobs
- Operating Partner
- Senior Advisors & Operating Partners
Flemming is an Operating Partner with Stonepeak and supports Stonepeak’s investments in transportation. Flemming served as the President and Chief Executive Officer of Neptune Orient Lines (NOL) group of companies and Chief Executive Officer of American President Lines (APL) from 1999 to 2003. From 1960 to 1999, he worked for A.P. Moller-Maersk in various countries and posts including Executive Vice President of Maersk Line, serving most recently as Partner of A.P. Moller-Maersk and Chief Executive Officer of Maersk Tankers from 1997 to 1999. Flemming has served on the Board of various companies in the transportation and logistics space, including AET Tanker Holdings Sdn Bhd., Scandlines GmbH, Inchcape Shipping Services Ltd., Stena and Samskip hf. Flemming has taken on a number of non-executive directorships in recent years, including the Panama Canal Authority, Lloyds Register Holdings, Ultragas/Ultramar Group, Chile, Rickmers Holding GMBH & CIE. KG, and DVB Bank SE. Flemming has also served as a trustee of the Sailors’ Society and a Fellow of the Chartered Institute of Transport and Logistics. He was named CNBC Asian Business Leader of the Year 2001, Chief Executive Officer’s choice.
Flemming attended the Program for Management Development at the Harvard Graduate School of Business and other executive education programs.
Bill Johnson
- Operating Partner
- Senior Advisors & Operating Partners
Bill is an Operating Partner with Stonepeak and supports the firm’s efforts across the energy sector. Bill has decades of experience in the utility industry, including as an executive. He was previously the President and CEO of Pacific Gas and Electric Company, and before that served as President and CEO of the Tennessee Valley Authority (TVA) from 2012 to April 2019, leading the nation’s largest publicly owned utility in its mission of providing energy, environmental stewardship and economic development across a seven-state region. Prior to the TVA, Bill was the Chairman, President and CEO of Progress Energy. Throughout his career in the energy industry, Bill has collaborated closely with elected officials and other community leaders to deliver safe and reliable energy to millions of customers.
Bill received a Bachelor of Arts in History from Duke University and a Juris Doctorate from the University of North Carolina at Chapel Hill.
David Kinder
- Operating Partner
- Senior Advisors & Operating Partners
David is an Operating Partner with Stonepeak and supports Stonepeak’s investments in energy. David is the former Vice President of Corporate Development and Treasurer for Kinder Morgan Inc. He was with Kinder Morgan from 1999 to 2013. His primary roles at Kinder Morgan included leading the company’s acquisition and divestiture program as well as the financing efforts of the company. David continues to evaluate and participate in energy opportunities as an investor and board member. David is currently on the board of Oryx Midstream Services, a crude oil transportation company in the Permian Basin, and Zenith Energy, an international liquids terminal company. Additionally, David is the President of TP Power, a Houston based power company, and is a partner at Sabine Property Partners, which focuses on commercial real estate opportunities in Texas. David previously served on the boards of directors of Western Refining Logistics and Sunnova Energy.
David graduated cum laude with a Bachelor of Business Administration in Finance and minor in History from Texas Christian University.
Andrew Lax
- Operating Partner
- Senior Advisors & Operating Partners
Andrew is an Operating Partner with Stonepeak and supports the firm’s efforts across the Real Estate sector. Andrew previously served as a Senior Managing Director and Head of European Real Estate Asset Management at Blackstone. Prior to leading the Asset Management team in Europe, Andrew worked for Blackstone in New York, where he served as a Managing Director on the Acquisitions team and was involved in analyzing real estate equity investments across all property types, with a particular focus on logistics. Prior to Blackstone, he worked for TD Securities’ Real Estate group in Toronto, Canada. Over the course of his career, Andrew has been involved in more than $50 billion of real estate transactions across all major asset classes.
Andrew received a Bachelor of Commerce from the University of British Columbia where he graduated with honors.
Kate McKenzie
- Operating Partner
- Senior Advisors & Operating Partners
Kate is an Operating Partner with Stonepeak and supports the firm’s efforts in the telecommunications and regulated infrastructure space. Kate previously served as the CEO of Chorus, a listed telecommunications company based in Wellington NZ. While at Chorus she was responsible for building a fiber network to 87% of New Zealand and for transforming the connection experience for customers.
Prior to Chorus she worked at Telstra, an Australian telecommunications company in a variety of roles including regulation, public policy and communications, leader of the Wholesale business, and leader of the product, marketing, and technology and innovation functions. Her final three years at Telstra were spent as Chief Operating Officer.
Kate is a Director of three ASX listed companies, Stockland, AMP, and Healius, and is Chair of nbnco, a government owned company building out Australia’s broadband network.
Kate received a Bachelor of Arts and a Bachelor of Laws from Sydney University.
Jinsung Myung
- Operating Partner
- Senior Advisors & Operating Partners
Jin is an Operating Partner with Stonepeak and supports Stonepeak’s investments in the energy sector, primarily focused on gas, power, and renewables. Jin has more than 25 years of professional experience in the energy sector.
Jin previously served as Country Head of Korea at CGN Korea Holdings (formerly MPC Korea) where he grew the company to 2.2GW capacity (gas-fired, fuel cell, biomass, solar, direct import of gas, etc.) from scratch through greenfield projects and acquisition projects.
Prior to CGN Korea Holdings, he worked at Mirant Corp (Senior Manager, Business Development) in Hong Kong and Enron Corp (Associate & Manager) in Houston, Texas. While working at Enron Corp, Jin was a founding member of SK-Enron (currently SK E&S), a joint venture between Enron Corp and SK Group.
Jin received a Master of Business Administration in Finance from Vanderbilt University and a Bachelor of Arts in Economics from Korea University.
Scott Ryall
- Operating Partner
- Senior Advisors & Operating Partners
Scott is an Operating Partner with Stonepeak and supports Stonepeak’s macroeconomic and sector-specific research activity. Scott has more than twenty years of experience as a lead analyst, covering a range of infrastructure sectors in Australia, Europe, the U.S., Asia and South Africa, following M&A experience. He founded Rimor Equity Research in August 2017 to produce in-depth research analyzing the inter-relationships between sectors, with infrastructure and supply chain at its core. His roles prior to this were head of research in Macquarie’s European equities business and head of research in CLSA’s Australian equities business, both were start-up businesses. Scott was voted #1 Australian strategist in the 2017 Asiamoney survey and was regularly rated top three for the transport/infrastructure sector, while head of research. His research has also led to him speaking at the Australian government’s Australia Week in China in April of 2016 and a number of other industry conferences.
Scott received a Bachelor of Commerce (Honours) and Bachelor of Laws degrees from University of New South Wales in Sydney and completed a year of his law degree at Boalt Hall, at UC Berkeley.
Will Schleier
- Senior Advisor
- Senior Advisors & Operating Partners
Will is a Senior Advisor with Stonepeak and supports Stonepeak’s investments in the energy sector. Will was previously a Principal within Stonepeak’s energy investing team. Prior to Stonepeak, Will was a member of the Global Energy Group at Citi, where he focused primarily on the North American midstream sector.
Will received a Bachelor of Arts in the Woodrow Wilson School of Public and International Affairs from Princeton University.
Francis Shammo
- Operating Partner
- Senior Advisors & Operating Partners
Fran is an Operating Partner with Stonepeak and supports Stonepeak’s investments in communications and digital infrastructure. Fran spent twenty-seven years at Verizon and was most recently Executive Vice President and Chief Financial Officer. He previously served as President and Chief Executive Officer of Verizon Telecom and Business, a $40 billion business with 80,000 employees in the US and more than 150 countries, and as President of Verizon Wireless for the Western region, a $20 billion business. Fran currently is a member of the Board of Directors of Avis Budget Group and Chair of the Audit Committee, as well as a member of the Board of Directors of UNUM group and the Board of Trustees of Hope Through Education USA. Additionally, Fran was formerly a member of the Advisory Board NYSE.
John Steen
- Operating Partner
- Senior Advisors & Operating Partners
John is an Operating Partner with Stonepeak and supports Stonepeak’s investments in the energy sector. Previously, John was Chief Executive Officer of Paradigm Energy Partners, a former Stonepeak portfolio company with a focus on oil and gas pipeline and storage assets in the Bakken Shale of North Dakota and the Eagle Ford Shale of South Texas. Prior to Paradigm, John worked in various midstream business development capacities for Sage Midstream, Energy Transfer and LDH Energy. John is the Chairman of the Texas Racing Commission, which oversees all pari-mutuel wagering on horse and greyhound racing in the state.
John graduated cum laude from Vanderbilt University and received a Master of Business Administration from the Wharton School as well as a Master of Arts in International Studies from the University of Pennsylvania. John is also a CFA charterholder.
Mara Swan
- Operating Partner
- Senior Advisors & Operating Partners
Mara is an Operating Partner with Stonepeak and supports Stonepeak’s investments with matters related to talent. Mara works with members of the Stonepeak team from across the firm to assess and provide advice and counsel on management, organization structure, diversity equity & inclusion, compensation design, and other talent priorities for potential new investments and existing portfolio companies.
Before joining Stonepeak, Mara spent almost fifteen years at ManpowerGroup where she was most recently EVP, Global Strategy and Talent and the leader of the Right Management business. She joined ManpowerGroup from the Molson Coors Brewing Company where she served as Chief People Officer for its global operations. She currently holds board positions at TRAC Intermodal, Uline, BrightView Holdings, and GOJO Industries.
Mara received a Bachelor of Business Administration from the University of Buffalo and a Master of Industrial Relations from the University of Minnesota.
John Trani
- Operating Partner
- Senior Advisors & Operating Partners
John is an Operating Partner with Stonepeak and supports Stonepeak’s general portfolio operations. Previously, John spent nineteen years at General Electric (1978-1997) where he gained broad experience across multiple businesses. At the time of his departure from GE, John served as President & Chief Executive Officer of GE Medical Systems where he reported directly to Jack Welch, the Chief Executive Officer of GE. John was tasked with running GE’s Mobile Communication Division during the 1980s. In his two years running the division, John increased cash flow by $80mm. The Mobile Communications Division role represented the start of a consistent rise for John through the ranks of GE, culminating in his role as Chief Executive Officer of GE Medical Systems. John also served as the Chairman and Chief Executive Officer of The Stanley Works from 1997 to 2003. Since leaving The Stanley Works, John has worked in various operating roles for private equity firms.
Kevin Walsh
- Operating Partner
- Senior Advisors & Operating Partners
Kevin is an Operating Partner with Stonepeak and supports Stonepeak’s investments in renewable energy. Kevin has more than thirty-five years of experience in the renewable energy sector and was most recently Managing Director and Head of U.S. Renewable Energy at GE Energy Financial Services (“GE-EFS”) from 2006-2019 where he led the team that invested $1-2 billion annually in renewable energy projects. Under Kevin’s leadership, GE-EFS successfully invested approximately $16 billion in renewable energy projects globally with the capacity to generate 16+ gigawatts of power, primarily from wind (onshore and offshore) and solar power but also hydro, geothermal and biomass. Kevin has also been active in various policy matters supporting the renewable energy industry including U.S. tax reform, PTC/ITC renewal and U.S. Treasury/IRS Guidance for new and repowered wind. Kevin is a member of the Board of Directors of ACORE and previously served as its Board Treasurer. He is also a member of the Board of Directors of the Connecticut Greenbank. In prior roles Kevin led Power and Renewable Energy investing at GE-EFS and was responsible for the management of its approximately $20 billion global portfolio of energy investments, as well as related portfolio sales and reinvestment. He also led energy venture investing for GE-EFS from 2007-2011. Kevin joined the predecessor of GE-EFS Financial Services, GE Structured Finance, in 1990, where he held various leadership positions in Energy, Capital Markets and GE Industrial.
Kevin graduated cum laude from Fairfield University, where he received a Bachelor of Business Management degree and where he currently serves on the Advisory Council at the Dolan School of Business. He is a graduate of General Electric’s Financial Management Program. Kevin is also a member of the Board of Directors of The Kennedy Center in Trumbull, CT.