• Ed Stewart

• Principal, Legal
• Business Operations & Strategy

Ed is a Principal in Legal with Stonepeak.  Before joining Stonepeak, Ed was a Senior Associate at Bryan Cave Leighton Paisner LLP in the Energy, Environment and Infrastructure group.

Ed received a Bachelor of Laws with Advanced Studies from University College London.

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• Carrie Stires

• Vice President, Finance
• Business Operations & Strategy

Carrie is a Vice President with Stonepeak. Prior to Stonepeak, Carrie was a Vice President and Registered Funds Assistant Controller at Oak Hill Advisors, where she oversaw accounting and financial reporting for SEC‑registered funds. Earlier in her career, Carrie was a Senior Associate at Riveron Consulting and a Senior Audit Associate at KPMG.

Carrie received a Bachelor of Business Administration in Accounting and a Master of Accounting from Texas Christian University, and she is a Certified Public Accountant.

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• John Sullivan

• Vice President, Credit
• Investment Team

John is a Vice President with Stonepeak. Before joining Stonepeak, John was a Vice President at Boundary Street Capital, focused on the digital infrastructure, digital services, and enterprise software sectors. Prior to Boundary Street, he worked at Stephens Inc. as an investment banker and MidCap Financial in a portfolio management role.

John received a Bachelor of Science in Commerce with concentrations in Finance and Marketing from the McIntire School of Commerce at the University of Virginia. He also holds the Chartered Financial Analyst designation.

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• Conor Sutherland

• Managing Director
• Investment Team

Conor is a Managing Director with Stonepeak. Before joining Stonepeak, Conor was a Partner at Apollo Global Management, where he led private equity investments across numerous sectors, with a particular focus on heavy industrials. Over his career, he has lived in New York, Tokyo, and Hong Kong, including two years in Tokyo building out Apollo’s business in Japan. Prior to Apollo, Conor began his career in investment banking at Moelis & Company.

Conor received a Bachelor of Arts in Economics and a Certificate in Finance from Princeton University.

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• Azusa Suzuki

• Vice President
• Investor Relations

Azusa is a Vice President with Stonepeak. Before joining Stonepeak, Azusa was a Principal at KKR, where she focused on business development efforts for alternative products. Prior to KKR, she worked at J.P. Morgan in Leveraged Finance.

Azusa received a Bachelor of Science in Business Administration from the University of Southern California.

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• Hyon Takagi

• Principal
• Investor Relations

Hyon is a Principal with Stonepeak. Before joining Stonepeak, Hyon served as Head of Japan Fundraising at Copenhagen Infrastructure Partners (CIP). Prior to CIP, she was a Director at Winton Capital Management, where she focused on fundraising, quantitative equity research, and business development in Asia.

Hyon holds a Bachelor of Arts in Liberal Studies from Waseda University.

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• Lester Tam

• Vice President
• Investment Team

Lester is a Vice President with Stonepeak. Before joining Stonepeak, Lester was a Vice President at Brookfield on the infrastructure investments team. Prior to Brookfield, he worked at Global Infrastructure Partners and Macquarie Capital.

Lester received a Bachelor of Arts in Business Administration from the Ivey School of Business and a Bachelor of Science in Medical Sciences from Western University.

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• Matt Tate

• Managing Director
• Investment Team

Matt is a Managing Director with Stonepeak. Prior to joining Stonepeak, Matt was a Managing Director at Macquarie Capital where he was Head of Macquarie Projects, managing the technical and commercial aspects of infrastructure investments.

Matt received a Master of Business Administration and a Master of Engineering from La Trobe University, Victoria, a Master of Commercial Law from Deakin University, Victoria, and a Bachelor of Civil Engineering and Bachelor of Surveying from the University of Newcastle, Australia.

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• Luke Taylor

• Co-President
• Investment Team

Luke is Co-President of Stonepeak, a member of the Stonepeak Executive Committee, and a member of all of the firm’s investment committees. In these roles, Luke shares broad responsibilities across investing and management of the firm’s day-to-day business. Luke has been investing across the infrastructure space for more than 20 years. Prior to joining Stonepeak, Luke was with Macquarie Capital based in New York, where he spent 10 years investing in a variety of sectors.

Luke received a Bachelor of Commerce and a Master of Business (Distinction) from the University of Otago (New Zealand).

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• Cole Taylor

• Vice President, Credit
• Investment Team

Cole is a Vice President with Stonepeak. Before joining Stonepeak, Cole was a Vice President at Boundary Street Capital, a specialist private credit investment manager focused on the digital infrastructure, digital services, and enterprise software sectors in the lower middle market. Prior to Boundary Street, he worked at Morgan Stanley as a Finance Analyst.

Cole received a Bachelor of Science in Business Administration with concentrations in Finance and Sports Business from the Gabelli School of Business at Fordham University.

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• Andrew Thomas

• Senior Managing Director, Head of Digital Infrastructure, Global ex-Europe
• Investment Team

Andrew is a Senior Managing Director with Stonepeak and is Head of Digital Infrastructure, Global ex-Europe. Prior to joining Stonepeak, Andrew worked at Pacific Equity Partners and McKinsey & Company.

Andrew received a Master of Business Administration from Harvard Business School, as well as a Bachelor of Economics (First Class Honors and University Medal) and Bachelor of Laws (First Class Honors) from the University of Sydney.

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• Christie Ting

• Vice President
• Investor Relations

Christie is a Vice President in Co-Investment with Stonepeak. Before joining Stonepeak, Christie was a Vice President in the investment banking group at Goldman Sachs, where she focused on the Technology, Media and Telecom sectors and corporate board advisory services. Prior to Goldman, Christie worked at Matterport, a real estate tech company, and PIMCO, where she oversaw investments for financial institutions clients.

Christie received a Bachelor of Arts, cum laude, from the School of Public and International Affairs at Princeton University and a Master of Business Administration from MIT Sloan School of Management.

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• Caitlin Tom

• Director, Finance
• Business Operations & Strategy

Caitlin is a Director with Stonepeak. Before joining Stonepeak, Caitlin was a Senior Associate at PwC within the Asset Management – Investment Management group.

Caitlin received a Bachelor of Science in Management with concentrations in Finance and Accounting from Boston College and is a Certified Public Accountant in New York and a Chartered Alternative Investment Analyst.

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• Andy Truong

• Vice President
• Investment Team

Andy is a Vice President with Stonepeak. Before joining Stonepeak, Andy was an Associate at Goldman Sachs in the Global Natural Resources team, where he primarily focused on the infrastructure and energy sectors while working in Sydney, Perth and New York.

Andy received a Bachelor of Commerce from the University of Western Australia.

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• Astha Ummat

• Senior Director, Sustainable Value Creation
• Business Operations & Strategy

Astha is a Senior Director with Stonepeak and has responsibility for leading the firm’s Sustainable Value Creation strategy and execution. Before joining Stonepeak, Astha was Vice President, ESG Investment Management at Temasek, where she led ESG integration for the firm’s North America and EMEA investments. Prior to Temasek, she was Head of ESG at Centerbridge Partners, where she focused on the firm’s global private equity, credit, and real estate investment platforms. Astha is also an Environmental Defense Fund Climate Corps Fellowship alumnus, and previously held roles with the Indian federal government on energy and climate change policy and sustainable infrastructure investments, the United Nations Entity for Gender Equality and the Empowerment of Women, and the International Labor Organization, after starting her career at Google.

Astha received a Master of Public Administration from Columbia University, as well as a Master of Science in Environmental and Resource Economics from TERI School of Advanced Studies, India, and a Bachelor of Arts in Mathematics from the University of Delhi, India.

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• Arun Varanasi

• Managing Director, Credit
• Investment Team

Arun is a Managing Director with Stonepeak. Before joining Stonepeak, Arun was a Director with Credit Suisse Asset Management (CSAM) in the Credit Investments Group, where he focused on private credit. Prior to CSAM, he worked within private credit at Carlyle, Fifth Street Asset Management, and Prudential Private Capital.

Arun received a Bachelor of Science in Finance from Rutgers University and is a Chartered Financial Analyst.

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• Roni Abdul Wahab

• Operating Partner
• Senior Advisors & Operating Partners

Roni is an Operating Partner with Stonepeak and supports Stonepeak’s investment efforts in infrastructure. Roni previously served as the Group Chief Executive Officer of Bank Pembangunan Malaysia Berhad (one of the leading development banks in Malaysia), where he led the turnaround exercise, transformation initiatives and merger integration for the bank. Prior to Bank Pembangunan, Roni held several senior roles in banking and investment management companies including Khazanah Nasional Berhad, Maybank Asset Management Group, HSBC and Credit Suisse.

Roni received a Bachelor of Science in Actuarial Science and Corporate Finance from the Wharton School, University of Pennsylvania.

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• Douglas Wallach

• Senior Managing Director
• Investment Team

Douglas is a Senior Managing Director with Stonepeak in the Capital Markets group. Before joining Stonepeak, Douglas worked at Blackstone, focusing on its debt capital markets activities. Prior to Blackstone, Douglas worked at Kirkland & Ellis as an Associate concentrating his practice on debt finance and private equity.

Douglas received a Bachelor of Arts in Political Science from New York University. He also received a Juris Doctorate from Fordham University School of Law.

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• Adam Weinstock

• Managing Director
• Investment Team

Adam is a Managing Director with Stonepeak. Before joining Stonepeak, Adam was a Partner at FitzWalter Capital where he helped establish the firm and led investments across multiple sectors. Prior to FitzWalter, he spent 12 years at Macquarie Group, where he was a Managing Director and founding member of the Macquarie Principal Finance business unit.

Adam received a Bachelor of Laws and Bachelor of Commerce in Finance from the University of New South Wales.

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• Sarah Weissman

• Principal, Legal
• Business Operations & Strategy

Sarah is a Principal in Legal with Stonepeak. Before joining Stonepeak, Sarah was an Associate in the Mergers & Acquisitions group at Davis Polk & Wardwell LLP.

Sarah received a Juris Doctorate from New York University School of Law and a Bachelor of Arts from Northwestern University.

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• Nikolaus Woloszczuk

• Senior Managing Director
• Investment Team

Nikolaus is a Senior Managing Director with Stonepeak. Before joining Stonepeak, Nikolaus was Global Chief Investment Officer for Macquarie Principal Finance, a business unit he co-founded and built since 2009. Prior to Macquarie, Nikolaus co-founded Park Street Partners and worked at BC Partners and the Boston Consulting Group.

Nikolaus received a Bachelor of Arts first class in Economics & Management from Oxford University.

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• Kama Wong

• Vice President
• Investor Relations

Kama is a Vice President with Stonepeak.  Before joining Stonepeak, Kama was an Associate in BlackRock’s Financial Institutions Group. She was responsible for developing and maintaining relationships with insurance clients. Kama joined BlackRock’s Institutional Client Business as a Graduate Analyst in 2016, in which she provided support in relationships with sovereign wealth funds, insurers, pensions and endowments.

Kama holds a Bachelor Degree in Business Administration, with concentrations in Marketing and Finance, from The Chinese University Hong Kong.

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• Stanley Wong

• Director, Information Technology
• Business Operations & Strategy

Stanley is a Director in Information Technology with Stonepeak. Before joining Stonepeak, Stanley was a Regional IT Manager at Donnelley Financial Solutions, where he provided IT Infrastructure support and supervised the day-to-day technical support activities. Prior to Donnelley, he worked at NTT Com Asia in consultant roles.

Stanley received a Bachelor of Arts in Computing from The Hong Kong Polytechnic University.

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• Chetwin Wong

• Vice President, Compliance
• Business Operations & Strategy

Chetwin is a Vice President in Compliance with Stonepeak. Before joining Stonepeak, Chetwin was an Assistant Director at the Monetary Authority of Singapore (MAS), specializing in financial supervision. Prior to the MAS, Chetwin interned with Citibank N.A. Singapore Branch, Corporate and Investment Banking and with United Overseas Bank Limited in the Group Wholesale Banking Division.

Chetwin received a Bachelor of Business Administration in Finance from the National University of Singapore.

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