Company Directory
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
- Co-President
- Investment Team
Jack is Co-President 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 also serves on the board of King Ranch, Inc and Texas Children’s Hospital.
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.
Eric Hsu
- Managing Director
- Investment Team
Eric is a Managing Director with Stonepeak. Before joining Stonepeak, Eric was a Managing Director at Blackstone in its credit business, where he invested in a wide range of debt and equity opportunities across infrastructure subsectors. Prior to Blackstone, Eric worked at Goldman Sachs in its financial sponsors investment banking group.
Eric received a Bachelor of Business Administration in Finance from the University of Michigan Ross School of Business.
Ann Huesken
- Vice President
- Investment Team
Ann is a Vice President with Stonepeak. Before joining Stonepeak, Ann was an Analyst at Barclays in the Global Natural Resources group, where she worked on M&A and capital markets transactions across the midstream, downstream, and energy transition sectors.
Ann received a Bachelor of Arts in Economics and Spanish from Vanderbilt University.
Pat Hutchison
- Managing Director
- Investment Team
Pat is a Managing Director with Stonepeak. Before joining Stonepeak, Pat was a co-Founder and Partner at Boundary Street Capital, where he focused on private credit investments in the enterprise software and digital services sectors, as well as general fund oversight and administration. Prior to Boundary Street, he was a Vice President at CapitalSource, a division of Pacific Western Bank, where he co-led technology origination and underwriting focused on enterprise software and tech-enabled services companies. Prior to CapitalSource, he worked at MCG Capital Corporation and International Business Machines Corporation in various portfolio management, underwriting, origination, finance and accounting roles.
Pat received a Bachelor of Science in Finance from the Smeal College of Business at Pennsylvania State University.
Kyle Isaacson
- Vice President
- Investment Team
Kyle is a Vice President with Stonepeak. Before joining Stonepeak, Kyle was a Partner with Tucker’s Farm, an investment holding company, where he focused on control acquisitions of franchise and multi-site opportunities. Prior to Tucker’s Farm, he worked in various roles at Blackstone in private equity, with a focus on industrials and services, and real estate.
Kyle received a Bachelor of Arts, magna cum laude, in Economics, Mathematics, and Mathematical Methods in the Social Sciences from Northwestern University.
Ajesh Jain
- Vice President
- Investment Team
Ajesh is a Vice President with Stonepeak. Before joining Stonepeak, Ajesh was a Vice President at Northwood Investors on the U.S. Real Estate Acquisitions Team.
Ajesh received a Bachelor of Science, summa cum laude, in Finance and International Business from Georgetown University.
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
- Principal
- Investment Team
Sravya is a Principal 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.
Yuichi Jimbo
- Chairman, Japan
- Investment Team
Yuichi is Chairman, Japan with Stonepeak. Before joining Stonepeak, Yuichi served as Chairman of Investment Banking and Vice Chairman at BofA Securities Japan. Prior to Bank of America, he was Deputy President and Head of Investment Banking at Citigroup Global Markets Japan, where he also served on the Board of Directors and Management Committee. Previously, he was Deputy President and Head of Investment Banking of J.P. Morgan in Japan.
Yuichi received a Master of Science in Business Administration from the Sloan School of Management at the Massachusetts Institute of Technology and a Bachelor of Arts in Commerce from Hitotsubashi University.
Peter Jones
- Principal
- Investment Team
Peter is a Principal 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.
Jason Kass
- Director, Finance
- Operations & Finance
Jason is a Director 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.
Rashad Kawmy
- Managing Director
- Investment Team
Rashad is a Managing Director with Stonepeak and leads Boundary Street Capital, a Stonepeak Credit firm. Before joining Stonepeak, Rashad was a co-Founder and Partner at Boundary Street, focusing on lower middle market digital credit opportunities. Prior to Boundary Street, Rashad was a Director of Communications Infrastructure at Pacific Western Bank. Prior to Pacific Western Bank, he worked at CapitalSource and Protiviti in lending and consulting roles.
Rashad received a Bachelor of Science in Economics from the College of William and Mary. He also earned the Chartered Financial Analyst designation from the CFA Institute.
Judson Keel
- Managing Director
- Investment Team
Judson is a Managing Director 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.
Peter Keffer
- Vice President, Legal
- Legal & Compliance
Peter is a Vice President in Legal with Stonepeak. Before joining Stonepeak, Peter was an Associate at Paul Hastings LLP, where he focused on fund related matters.
Peter received a Juris Doctorate from New York University School of Law and a Bachelor of Arts from New York University.
Chaya Kenigsberg
- Principal, Tax Finance
- Operations & Finance
Chaya is a Principal 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.
Fadi Kerbaj
- Principal
- Investment Team
Fadi is a Principal with Stonepeak. Before joining Stonepeak, Fadi was an Executive Director at Tribe Infrastructure, where he led Tribe’s activities in the Kingdom of Saudi Arabia, focused on strategic and financial advisory transactions across the infrastructure sector. He has been in the Middle East since 2011, when he moved to the region with Macquarie Capital in Abu Dhabi.
Fadi received a Master of Business Administration from ESSEC Business School in Paris, and a Bachelor of Business Administration from the American University of Beirut.
David Kersey
- Principal
- Investment Team
David is a Principal with Stonepeak. Before joining Stonepeak, David was a Co-Founder and Partner at Boundary Street Capital, where he led portfolio management and administration for their credit investments. Prior to Boundary Street, he worked at CapitalSource in Leveraged Finance, Deloitte in M&A Transaction Services, and the Financial Accounting Standards Board.
David received a Master of Accountancy and a Bachelor of Science in Business Administration from the University of Wisconsin – Madison.
Bryce Killian
- Vice President
- Investment Team
Bryce is a Vice President with Stonepeak. Before joining Stonepeak, Bryce was an Analyst in the Mergers & Acquisitions Group at Morgan Stanley, where he worked on M&A transactions across a variety of sectors.
Bryce received a Bachelor of Arts, summa cum laude, in Quantitative Social Science from Dartmouth College.
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.
Natasha King
- Principal, Corporate Communications
- Operations & Finance
Natasha is a Principal with Stonepeak. Before joining Stonepeak, Natasha was at Goldman Sachs Asset Management where she was Global Head of Alternatives Marketing. Prior to that role, she worked at Morgan Stanley Investment Management, leading channel marketing and J.P. Morgan Asset Management as a product marketer, focused on real assets.
Natasha received a Bachelor of Arts in Economics from Columbia University and a Master of Business Administration from the University of Pennsylvania – Wharton School. She also holds a Chartered Alternative Investment Management (CAIA) designation.
Mark Kleynerman
- Vice President, Compliance
- Legal & Compliance
Mark is a Vice President in Compliance with Stonepeak. Before joining Stonepeak, Mark was a Director at Cohen & Steers Capital Management. Prior to Cohen & Steers, he was an Examiner at the Financial Industry Regulatory Authority (FINRA).
Mark received a Juris Doctorate from New York Law School and a Bachelor of Business Administration from Brooklyn College.
Sam Ko
- Vice President
- Investment Team
Sam is a Vice President with Stonepeak. Before joining Stonepeak, Sam was an Associate at J.P. Morgan in the Financial Institutions Group, mainly covering life insurers, banks, and fintech clients, and also working closely with the Korea Coverage team on transactions in the petrochemicals and infrastructure space.
Sam received a Bachelor of Business Administration from Seoul National University.