Steven Antonson

Chief of Staff

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New York

Aaron Goldberg

Chief Talent Officer

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New York

Michael Bilka

Director

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New York

Sean Menon

Managing Director

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New York

Mark Lacana

Managing Director

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Boston

Patrick Costello

Controller

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Boston

Lorena Richards

Senior Controller

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Boston

Rebecca McGue

Senior Controller

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Boston

Andrew Kesler

Senior Controller

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Boston

Hugh Simpson

Director

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London

Justin Bach

Director of Fund Accounting

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New York

Adam Weiss

Managing Director

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New York

Molly Barron

Director

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Denver

Alex Seang

Senior Manager

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Los Angeles

Michael McCurley

Director

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New York

Melissa Foley

Senior Controller

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Boston

Patricia Danier

Senior Controller

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Boston

Jennifer Fichera

Director

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Boston

Paul Winters

Managing Partner

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Boston

John Collins

Managing Partner

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Boston

Charlie Chipchase

Managing Director

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London

Josh Cooper

Managing Director

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New York

Robert Kim

Director

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New York

Whitney Kim

Director

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Los Angeles

Peter Haskopoulos

Managing Partner

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New York

Stephen Coats

Managing Partner

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New York

Paul Winters

Paul was most recently Partner, General Counsel and Chief Compliance Officer of Denham Capital Management LP, a leading energy and resources global private equity firm. He brings over 25 years of experience to Petra. In his roles at Denham, Paul was responsible for all legal and compliance matters affecting the firm, its funds and its portfolio companies. During his tenure, which began in 2005, Paul helped build and manage a best-in-class back office serving Denham and its investors. He served on the firm’s Valuation Committee. Prior to joining Denham, Paul was an attorney at Latham & Watkins LLP, with a focus on power project development and financing, mergers and acquisitions and other transactional matters. Paul speaks Spanish and some German. He is a past director of Wide Horizons for Children, a Boston-based adoption and child welfare agency. Paul received a Bachelor of Science and a Juris Doctor from Georgetown University.