Company Directory
Greg Marcy
- Principal
- Investor Relations
Greg is a Principal with Stonepeak. Before joining Stonepeak, Greg was a Managing Director in the alternatives group at Nuveen. Prior to Nuveen, he worked in wealth management and alternative investments at Bank of America Merrill Lynch.
Greg received a Bachelor of Arts in Business Management from Gettysburg College.
Ryan Mason
- Managing Director
- Investor Relations
Ryan is a Managing Director with Stonepeak. Before joining Stonepeak, Ryan was a Principal at Campbell Lutyens where he led the firm’s coverage of institutional investors in Canada. Prior to Campbell Lutyens, Ryan worked at Siguler Guff & Company in a similar capacity with a specific focus on the East Coast and Canada.
Ryan received a Bachelor of Arts in Political Science from Drew University.
Luca Mazzolatti
- Vice President
- Investment Team
Luca is a Vice President with Stonepeak. Before joining Stonepeak, Luca was an Investment Director at Antin Infrastructure Partners. Prior to Antin, he worked at Credit Suisse in the Infrastructure Coverage Group.
Luca received a Bachelor of Science in Business Administration and Management from Università Bocconi.
Billie McCormick
- Vice President, Human Resources
- Business Operations & Strategy
Billie is a Vice President with Stonepeak. Before joining Stonepeak, Billie was Director of Human Resources and Operations at Slate Asset Management, where she was responsible for overseeing total rewards, payroll, global mobility, HRIS, recruiting, company policy, and employee matters. Prior to Slate, she worked at Whitehouse Post Productions in Operations.
Billie received a Bachelor of Arts from The University of Iowa and a Master of Arts from Roosevelt University.
Sean McKenna
- Managing Director
- Business Operations & Strategy
Sean is a Managing Director in strategy and operations with Stonepeak. Sean most recently served as Managing Director, COO and Head of Business Development at ATLAS SP Partners, a platform company of Apollo Global Management. Previously, he served in other roles as an attorney, investment banker and fund manager at firms including Weil Gotshal, Skadden Arps, Deutsche Bank, Lehman Brothers, Barclays, C12 Capital and Credit Suisse.
Sean received a Bachelor of Arts from Harvard College and a Juris Doctorate from the University of Virginia School of Law.
Akilah McLemore
- Director, Administration
- Business Operations & Strategy
Akilah is a Director in Administration with Stonepeak. Prior to her role in Administration, Akilah held various positions across Stonepeak, including with Investor Relations, Accounts Payable, and as an Executive Assistant.
Akilah received a Bachelor of Science in Finance from Saint John’s University.
Cameron McMillan
- Vice President, Credit
- Investment Team
Cameron is a Vice President with Stonepeak. Before joining Stonepeak, Cameron was a Manager at Macquarie Group within Structured Lending, overseeing structured, asset backed, and securitized products. Prior to Macquarie, he was an Associate at iPartners, where he was responsible for assisting the origination, structuring, and execution of financing vehicles for non-bank lenders. He also served as an Analyst at KPMG in Transaction Services.
Cameron received a Bachelor of Commerce from The University of Sydney.
Trine Meinfeldt-Tubeileh
- Managing Director
- Investor Relations
Trine is a Managing Director with Stonepeak. Before joining Stonepeak, Trine was a Senior Vice President at Cerberus, and before that she worked at Partners Group and Advent.
Trine received a Master of Science in International Finance from Cass Business School and a Bachelor of Science in International Business from Copenhagen Business School.
Kevin Meng
- Vice President, Finance
- Business Operations & Strategy
Kevin is a Vice President with Stonepeak. Before joining Stonepeak, Kevin was an Assistant Vice President at Blackstone within the Corporate Finance group. Prior to Blackstone, he worked at CBIZ MHM within the Audit & Advisory groups.
Kevin received a Bachelor of Science in Business Administration from Boston University.
Steve Mlynar
- Senior Managing Director, CFO
- Business Operations & Strategy
Steve is a Senior Managing Director with Stonepeak and is the firm’s Chief Financial Officer. Prior to Stonepeak, Steve held senior finance and accounting roles with Staple Street Capital, Apollo and Deloitte.
Steve received a Bachelor of Science in Accounting from the University of Connecticut and a Master of Business Administration from Yale University. Steve is a Certified Public Accountant, Chartered Global Management Accountant and CFA Charterholder.
Trenton Mobley
- Manager, Portfolio Value Creation
- Business Operations & Strategy
Trenton is a Manager in Portfolio Value Creation with Stonepeak. Before joining Stonepeak, Trenton was a Senior Business Intelligence Analyst at Orgill, Inc., focusing on enterprise intelligence platforms including Tableau, PowerBI, Snowflake, and Salesforce. Prior to Orgill, he worked with the Memphis Grizzlies in IT and Sales Analytics.
Trenton received a Bachelor of Arts in Business Information and Technology from the University of Memphis and a Master of Business Administration with a concentration in Business Analytics from Union University.
Eric Moeller
- Senior Executive, Co-Head of Portfolio Value Creation
- Business Operations & Strategy
Eric is Senior Executive, Co-Head of Portfolio Value Creation with Stonepeak. Before joining Stonepeak, Eric served as Chief Transformation Officer for the Commonwealth of Virginia. Prior to his work in Virginia, he was a Partner in the Transformation Practice at McKinsey & Company where he collaborated with management teams in energy, transportation, logistics, real estate, and a variety of other industries to help deliver operational and financial performance improvements. Previously, Eric served as CEO for manufacturing and energy companies, in executive roles at Valero Energy Corporation, and was a Partner at the Boston Consulting Group.
Eric received a Bachelor of Science in Chemical Engineering from the University of Wisconsin – Madison and a Master of Business Administration from the Harvard Business School.
Andre Morgan
- Vice President, Finance
- Business Operations & Strategy
Andre is a Vice President with Stonepeak. Before joining Stonepeak, Andre was a Vice President at Citco Fund Services in their private equity fund administration group. Prior to Citco, he worked at JP Morgan and Morgan Stanley in their private equity and hedge fund administration groups.
Andre received a Bachelor of Science in Accounting from the State University of New York College at Old Westbury, and a Master of Business Administration from Long Island University.
Vlad Moroz
- Vice President
- Investment Team
Vlad is a Vice President with Stonepeak. Before joining Stonepeak, Vlad was a Vice President at Sixth Street on the Infrastructure team. Prior to Sixth Street, he worked at I Squared Capital and Macquarie in infrastructure investment and advisory roles.
Vlad received a Bachelor in Economics and Business degree from the Stockholm School of Economics in Riga and a Master in International Finance degree from HEC Paris.
Simon Moutter
- Operating Partner
- Senior Advisors & Operating Partners
Simon is an Operating Partner with Stonepeak and supports our efforts in the infrastructure sectors in New Zealand and Australia. Simon previously served as Managing Director at Spark New Zealand, driving a turnaround in its performance over a seven-year period ending in 2019. Prior to Spark, he worked at Auckland International Airport and Powerco as their Chief Executives. He was named New Zealand CEO of the Year at the Deloitte Top 200 Awards in 2017 in recognition of his achievements at Spark and Auckland Airport. Today, Simon is a Director of Commonwealth Bank of Australia, Chairman of Kainga Ora – Home and Communities, Chairman of Les Mills International, Chairman of Smart Environmental Group, and a Director of Arvida Group.
Simon received a Bachelor of Science in Physics from Massey University, a Bachelor of Engineering (Electrical) and a Master of Engineering (Electrical) from the University of Canterbury.
Monica Mrazek
- Vice President, Finance
- Business Operations & Strategy
Monica is a Vice President with Stonepeak. Before joining Stonepeak, Monica was a Management Company Assistant Controller at Centerbridge Partners, where she was responsible for overseeing the accounts payable, accounts receivable, and cash management functions. Prior to Centerbridge, Monica was an accounting manager at Plainfield Asset Management.
Monica received a Bachelor of Business Administration and Master of Business Administration from Iona University.
Elyce Murillo
- Director, Human Resources
- Business Operations & Strategy
Elyce is a Director with Stonepeak. Prior to joining Stonepeak, Elyce was the Director of Talent Acquisition at Apollo Global Management, where she led recruiting for the firm’s U.S. Credit platform, supporting multiple investment strategies and portfolio companies. Prior to Apollo, Elyce was a Talent Acquisition Partner at Bloomberg LP and Colony Capital. She began her career as an Executive Recruiter at Linium Resources, a recruitment firm specializing in financial services.
Elyce received a Bachelor of Arts in English and Professional Writing from Rollins College.
Éanna Murphy
- Operating Partner
- Senior Advisors & Operating Partners
Éanna is an Operating Partner with Stonepeak and supports our efforts in the data center and digital infrastructure sector. Éanna previously served as Founder and President of LIR Advisors. Prior to LIR Advisors, he was Co-COO at Yondr, where he founded the Americas region and led teams to lease and deliver several hundred megawatts of single tenant hyperscale facilities across five countries. He also spent ten years at Google Datacenters, where he had global responsibility for cost management, risk management, scheduling, contracts, and portfolio operations.
Éanna received a BSc. in Economics and Construction Management from Technological University Dublin.
Jeffry Myers
- Senior Advisors & Operating Partners
In memory of our dear friend and colleague, Jeff Myers.
Jeff joined Stonepeak at the firm’s founding and made invaluable contributions to many of Stonepeak’s investments over more than a decade of service. His successful career, which spanned executive roles across major natural gas pipeline, power development, and biofuels projects, was defined by his curiosity and integrity. Jeff was an exceptional investor and executive – attributes which were eclipsed only by his good humor. Jeff will always be remembered and missed by his friends at Stonepeak.
Hajir Naghdy
- Senior Managing Director
Head of Asia and Middle East - Investment Team
Hajir is a Senior Managing Director with Stonepeak and is Head of Asia and the Middle East as well as a member of the Stonepeak Executive Committee. Prior to Stonepeak, Hajir was at Macquarie Capital for nineteen years. Hajir started with Macquarie in Sydney in 1999 and moved to Korea in 2000, as a founding member of the team that established Macquarie’s first infrastructure funds management business in Asia. Hajir played a leading role in twelve of the first fourteen investments made by the Macquarie Korean Infrastructure Fund between 2002 and 2005. Hajir has played numerous roles across Asia and the Middle East in Macquarie’s infrastructure business. Most recently, prior to joining Stonepeak, Hajir was Head of Macquarie Capital in Asia and the Middle East. In this role, he led and established Macquarie Capital’s renewable energy investing business in the region.
Hajir received a Bachelor of Mathematics and Bachelor of Laws from the University of Wollongong in New South Wales, Australia.
Lindsey Neering
- Vice President, Finance
- Business Operations & Strategy
Lindsey is a Vice President with Stonepeak. Before joining Stonepeak, Lindsey was the Management Company Controller at SK Capital Partners. Prior to SK Capital Partners, she worked at Dorilton Capital Management and Owl Rock Capital Partners in Controller roles, as well as various accounting and reporting positions at Prudential Financial.
Lindsey received a Bachelor of Science in Accounting from Seton Hall University.
Brie Neumann
- Principal, Legal
- Business Operations & Strategy
Brie is a Principal in Legal with Stonepeak. Before joining Stonepeak, Brie was an Associate in the Private Funds group at Proskauer Rose LLP.
Brie received a Juris Doctorate from Georgetown University Law Center and a Bachelor of Arts from Lehigh University.
Ben Norton
- Principal
- Investment Team
Ben is a Principal with Stonepeak. Before joining Stonepeak, Ben was an Analyst at Greenhill where he focused on M&A and restructuring advisory within the energy industry.
Ben received a Bachelor of Business Administration in Finance and Business Honors from the University of Texas at Austin.
Desiree Nunes
- Principal
- Investor Relations
Desiree is a Principal with Stonepeak. Before joining Stonepeak, Desiree was a Principal at KKR, where she served on the Global Wealth Investor Relations team, supporting investors across the private wealth market, including private banks, wealth management platforms, and registered investment advisors. Prior to KKR, she worked at Merrill Lynch in Private Wealth Management.
Desiree received a Bachelor of Science in Finance from Fordham University.