Company Directory
Michelle Healy
- Vice President, Legal
- Legal & Compliance
Michelle is a Vice President in Legal with Stonepeak. Before joining Stonepeak, Michelle was an Associate in the Mergers & Acquisitions group at Paul, Weiss, Rifkind, Wharton & Garrison LLP.
Michelle received a Juris Doctorate from Georgetown University Law Center and a Bachelor of Arts from the University of North Carolina at Chapel Hill.
James Hert
- Vice President
- Investment Team
James is a Vice President with Stonepeak. Prior to joining Stonepeak, James was a Vice President at Fortress Investment Group, where he was a member of the private equity business and focused on infrastructure, transportation, logistics, and energy investments. Prior to Fortress, James worked at J.P. Morgan as an Investment Banking Analyst within the Diversified Industrials group.
James received a Bachelor of Science, summa cum laude, in Finance from the W. P. Carey School of Business at Arizona State University with an Honors distinction from Barrett, The Honors College at Arizona State University.
Nicholas Hertlein
- Managing Director
- Investment Team
Nick is a Managing Director with Stonepeak. Prior to joining Stonepeak, Nick was a member of the Global Industrials group at Credit Suisse, where he focused on the business services sector.
Nick received a Bachelor of Business Administration in Accounting, Finance, and Business Economics from the University of Cincinnati.
Hillary Higgins
- Managing Director
- Investment Team
Hillary is a Managing Director with Stonepeak. Prior to joining Stonepeak, Hillary was a Senior Vice President at Brookfield Asset Management where she was a member of the Global Infrastructure team. Prior to Brookfield, she worked at RBC Capital Markets in the Investment Banking division.
Hillary received a Bachelor of Science in Commerce with a focus on Finance from the University of Alberta and is also a CFA Charterholder.
Georg Hoefler
- Managing Director
- Investment Team
Georg is a Managing Director with Stonepeak. Prior to joining Stonepeak, Georg was Head of Renewables Transactions at Allianz Capital Partners (ACP), where he was instrumental in building ACP’s 3.1GW European renewables portfolio. Prior to his 14 years at ACP, Georg worked at Dresdner Kleinwort in client coverage and corporate credit.
Georg received a Diploma in Banking Economics from Frankfurt School of Finance and a Rating Analyst degree from Georg-Simon-Ohm University Nuremberg.
Jack Howell
- Senior Managing Director
Co-Chief Operating Officer - Investment Team
Jack is Co-Chief Operating Officer of Stonepeak, a member of the Stonepeak Executive Committee, and a member of all of the firm’s investment committees. In this role, Jack shares broad responsibilities across investing and the firm’s day-to-day business. Prior to joining Stonepeak, Jack worked for Davidson Kempner Capital Management, a hedge fund that focuses on distressed debt and merger arbitrage. Prior to Davidson Kempner, Jack worked for Denham Capital and Credit Suisse.
Jack received a Bachelor of Arts in Plan II Honors and a Bachelor of Arts in Economics (Business Economics Program), Phi Beta Kappa, from the University of Texas at Austin.
Meredith Hunt
- Vice President, Corporate Communications
- Operations & Finance
Meredith is a Vice President with Stonepeak. Before joining Stonepeak, Meredith was a Senior Marketing Manager at BCG, where she managed global marketing strategies, including thought leadership, executive positioning, and external relations. Prior to BCG, Meredith supported business development at Cambridge Associates.
Meredith received a Bachelor of Arts in History and Political Science from Villanova University and a Master of Public Administration from American University.
John Jackman
- Managing Director
- Investment Team
John is a Managing Director with Stonepeak. Prior to joining Stonepeak, John was a Senior Managing Director at Macquarie Capital where he led the Asian infrastructure and renewable principal investment business. John has more than seventeen years of experience investing in power and renewables having worked in Australia, Europe, and Asia across ~8GW of projects while at Macquarie.
John received a Bachelor of Engineering and Bachelor of Commerce from the University of Queensland.
Regina Jakobson
- Principal, Senior Corporate Controller
- Operations & Finance
Regina is a Principal and Senior Corporate Controller with Stonepeak. Prior to Stonepeak, Regina held management company accounting roles with Eton Park Capital Management and DE Shaw. Prior to that, Regina was an Audit Manager at PricewaterhouseCoopers Investment Management group.
Regina received a Bachelor of Arts in Accounting from Queens College of the City University of New York and is a Certified Public Accountant in New York.
Sravya Jasti
- Vice President
- Investment Team
Sravya is a Vice President with Stonepeak. Prior to joining Stonepeak, Sravya was a member of the Infrastructure & Energy Group at Macquarie Capital, where she focused on the renewables and waste sectors.
Sravya received a Bachelor of Science in Business Administration from the New York University Stern School of Business.
Peter Jones
- Vice President
- Investment Team
Peter is a Vice President with Stonepeak. Before joining Stonepeak, Peter was an Analyst at ExodusPoint, a multi-strategy hedge fund where he covered energy and industrials. Prior to ExodusPoint, he worked at Citadel and First Reserve, where he primarily focused on energy. He began his career in the Energy investment banking group at Greenhill.
Peter received a Bachelor of Business Administration from the University of Texas at Austin.
Will Juggins
- Vice President
- Investment Team
Will is a Vice President with Stonepeak. Before joining Stonepeak, Will was Global Head of M&A at Worldwide Flight Services (WFS), a leading global air cargo logistics services provider. Prior to WFS, he worked at Cerberus Capital Management supporting its European private equity team and started his career in the investment banking division at J.P. Morgan.
Will received a Bachelor of Business Administration in Finance from The College of William and Mary.
Jason Kass
- Vice President, Finance
- Operations & Finance
Jason Kass is a Vice President with Stonepeak. Before joining Stonepeak, Jason was an Assistant Vice President at Blackstone within the Global Fund Finance group. Prior to Blackstone, he worked at KPMG within the real estate tax group.
Jason holds a Bachelor of Science in Business Administration and a Masters of Accounting from the University of North Carolina at Chapel Hill and is a Certified Public Accountant in New York.
Judson Keel
- Principal
- Investment Team
Judson is a Principal with Stonepeak. Before joining Stonepeak, Judson was a Principal at Blackstone in the Credit business, where he invested in a wide range of debt and equity opportunities across the energy, renewables and energy transition related industries in North America and Europe. Prior to Blackstone, Judson worked at Credit Suisse in their global energy investment banking group.
Judson received a Bachelor of Engineering in Mechanical Engineering from Vanderbilt University.
Chaya Kenigsberg
- Director, Tax Finance
- Operations & Finance
Chaya is a Director in Tax Finance with Stonepeak and is primarily responsible for tax reporting, planning and compliance. Before joining Stonepeak, Chaya was a Principal at KKR on the Tax team within the firm’s Finance department. Prior to KKR, Chaya worked at PricewaterhouseCoopers as a Manager in the Real Estate Tax group.
Chaya received a Bachelor of Science in Accounting from Yeshiva University and is a Certified Public Accountant.
Darren Keogh
- Senior Managing Director
- Investment Team
Darren is a Senior Managing Director with Stonepeak. Before joining Stonepeak, Darren was a Senior Managing Director and Global Head of Telecommunications, Media & Technology (TMT) with Macquarie Capital having joined Macquarie Group from Bankers Trust Australia in 1999.
During his 25-year career at Macquarie, Darren worked across various industries and geographies including being based in London for ten years. Since 2011, Darren has been located in Sydney and focused on opportunities in Asia Pacific. He was a member of Macquarie Capital’s Global Executive Committee as well as a board member for several operating subsidiaries.
Darren received a Bachelor of Commerce and Bachelor of Laws (Honors) from the Australian National University.
Jennie Kim
- Managing Director, Corporate Development
- ESG & Corporate Development
Jennie is a Managing Director in Corporate Development with Stonepeak. Before joining Stonepeak, Jennie was the Chief Operating Officer for Financial Institutions within Corporate and Investment Banking at Wells Fargo. Prior to Wells Fargo, Jennie worked as the Chief Administrative Officer of Client & Product Solutions at Apollo Global Management and as the Chief Operating Officer of Healthcare and Power & Utilities Investment Banking at Credit Suisse. Jennie also spent more than ten years in Investment Banking, most recently as an Executive Director at Morgan Stanley covering power and utilities.
Jennie received a Bachelor of Science degree in Engineering from Columbia University and a Master of Business Administration from Columbia Business School.
Roger Koh
- Vice President
- Investment Team
Roger is a Vice President with Stonepeak. Before joining Stonepeak, Roger was a Vice President at Rippledot Capital where he focused on M&A transactions across Southeast Asia. Prior to Rippledot Capital, he worked at Health Management International and Macquarie Capital.
Roger received a Bachelor of Accountancy and a Bachelor of Business Management from the Singapore Management University.
Katherine Krey
- Vice President
- Investment Team
Katherine is a Vice President with Stonepeak. Before joining Stonepeak, Katherine was an analyst in the Global Natural Resources Group at Goldman Sachs, where she focused primarily on the midstream and utilities sectors.
Katherine received a Bachelor of Arts in Economics and International Relations from Claremont McKenna College.
Tharma Kunaratnam
- Managing Director
- Investment Team
Tharma is a Managing Director with Stonepeak. Prior to joining Stonepeak, Tharma was a Managing Director at Macquarie Capital where he held several leadership roles across Asia. Prior to joining Macquarie Group in 2004, Tharma worked for Merrill Lynch and Societe Generale in Singapore.
Tharma received a Bachelor of Commerce from the University of Melbourne and a Bachelor of Law (Honors) from University College London.
Li-Hao Kuo
- Vice President
- Investment Team
Li-Hao is a Vice President with Stonepeak. Before joining Stonepeak, Li-Hao was a Vice President at Macquarie Capital and Corio Generation, Macquarie’s offshore wind portfolio company, where he focused on the development and investment of renewables in Asia. Prior to that, Li-Hao worked at Equis Funds Group, focusing on infrastructure and renewable investments.
Li-Hao received a Bachelor of Science in Chemical Engineering from the University of Illinois Urbana-Champaign and a Master of Science in Risk Management and Financial Engineering from Imperial College London.
Rob Kupchak
- Senior Managing Director, Head of Core, Americas
- Investment Team
Rob is a Senior Managing Director with Stonepeak and is Head of Core for the Americas. Before joining Stonepeak, Rob was a Senior Managing Director and Head of the Americas Infrastructure and Energy Group at Macquarie Capital, having joined Macquarie in 2001. While at Macquarie, Rob was also a member of the Macquarie Americas Management Committee and the board of Macquarie Capital (USA).
Rob received a Bachelor of Arts in International Politics and Economics from Penn State University and a Master of Commerce (Honours) in Economics from the University of New South Wales.
Raymond Law
- Principal
- Investment Team
Raymond is a Principal with Stonepeak. Prior to joining Stonepeak, Raymond was a Vice President at Macquarie Capital where he was responsible for executing renewable energy investments in Asia. Raymond began his career in the energy and infrastructure investment banking industry, having held positions at Merrill Lynch, Standard Chartered and MUFG.
Raymond graduated from the Chinese University of Hong Kong and USC’s Marshall School of Business (international programme) and received a Bachelor of Business Administration, Beta Gamma Sigma, summa cum laude, in Accountancy and Finance.
Michael Leitner
- Senior Managing Director
- Investment Team
Michael is a Senior Managing Director with Stonepeak. Before joining Stonepeak, Michael was Co-Head of BlackRock’s Direct Lending and Special Situations investment practice, and prior to its acquisition by Blackrock, Michael was a Managing Partner at Tennenbaum Capital Partners (TCP), a specialist private performing credit and special situations manager with $9 billion of committed client capital. Before joining TCP, Michael was an executive and manager at several leading technology and communication infrastructure firms including WilTel, GlobeNet, 360Networks, and Microsoft.
Michael received a Master of Business Administration from the University of Michigan and a Bachelor of Arts in Economics from the University of California at Los Angeles.