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Our team

Executive Officers

Doug Ostrover
Co-Chief Executive Officer
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Marc Lipschultz
Co-Chief Executive Officer
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Alan Kirshenbaum
Chief Financial Officer
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Andrew Polland
Chief Operating Officer
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Directory

Brent Butler
Managing Director
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Brent Butler
Brent Butler
Managing Director
Canada

Brent Butler is a Managing Director at Blue Owl and member of the Private Wealth Team. In his role, he is responsible for managing the firm’s strategic distribution partnerships in Canada.

Before joining Blue Owl, Brent worked at RBC for over 11 years in various roles, most recently within the Private Wealth division.

Brent is involved in a variety of nonprofits, currently serving as Chief Operating Officer of the John Tavares Foundation. He was also a founding member of the Young Professional Committee for Ronald McDonald House Toronto.

Brent received a Business Administration degree from Wilfrid Laurier University, where he graduated from the Honors Program.

Lauren Buxbaum
Managing Director
Lauren Buxbaum
Managing Director
New York

Lauren Buxbaum is a Managing Director at Blue Owl and member of the Human Resources Team. In her role, Lauren makes talent at Blue Owl a strategic advantage by partnering with team members on leadership effectiveness, executive coaching, and broader talent development initiatives.

Before joining Blue Owl, Lauren founded Agility Advisers, a talent strategies consulting firm, and held executive Human Resources roles at Goldman Sachs, Blackstone, PIMCO, and BNY Mellon. Prior to this, as an investment banker, she advised corporate treasury groups on financial solutions to business problems, specializing in high yield interest rate hedging.

She received a Master of Business Administration in Finance from Columbia University in the City of New York and is enrolled to earn a second master’s degree in Organizational Psychology from Teachers College, also at Columbia University. Previously she studied at the London School of Economics and earned a BA in Economics from Binghamton University.

Lauren sits on the Advisory Council for Action Against Hunger.

Melissa Callahan
Principal
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Melissa Callahan
Melissa Callahan
Principal
New York

Melissa Callahan is a Principal at Blue Owl and member of the Marketing Team. Before joining Blue Owl, Melissa was an Events Manager at Warburg Pincus. Prior to that she was an Events Manager at White & Case LLP focusing on the firm’s event initiatives in North and South America.

Melissa received her BA in Communications from James Madison University.

Jerry Cammarata
Senior Managing Director
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Jerry Cammarata
Jerry Cammarata
Senior Managing Director
New York

Jerry Cammarata is a Senior Managing Director at Blue Owl and member of the Finance, Accounting & Operations Team. Before joining Blue Owl, Jerry was the Chief Financial Officer of Atalaya Capital Management, the predecessor firm to Blue Owl’s Alternative Credit team. At Atalaya, Jerry was responsible for all finance, accounting, operations and tax functions as well as chairman of the firm’s Valuation Committee and member of the firm’s Enterprise Risk Committee. Prior to joining Atalaya in 2012, Jerry was a Vice President with Torchlight Investors where he was responsible for the accounting and operations of various commercial real estate debt funds (both private and ’40 Act registered funds). While at Torchlight, Jerry also served as the firm’s Chief Compliance Officer. Jerry began his career as an auditor with Ernst & Young, LLP where he worked on audit engagements for hedge funds, private equity, and mutual funds of various strategies and sizes.

Jerry holds a BS in Accounting and an MBA in Accounting, Finance, and Taxation, both from Fairfield University. He is a New York State Certified Public Accountant.

Laurie Campbell
Managing Director
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Laurie Campbell
Laurie Campbell
Managing Director
Greenwich

Laurie Campbell is a Managing Director at Blue Owl and member of the Compliance Team. In her role, she focuses on implementation of the compliance program for the firm’s limited purpose broker-dealer.

Before joining Blue Owl, Laurie worked at Fieldpoint Private Securities, LLC and Vision Financial Markets, LLC in senior compliance roles. Prior to that, she was a mortgage securities analyst at CS First Boston Investment Management (which has evolved into a successor firm) and then spent six years as an institutional account management officer at BlackRock.

Laurie received her BS in Marketing and Management from New York University’s Stern School of Business.

Lee Campbell
Managing Director
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Lee Campbell
Lee Campbell
Managing Director
Short Hills

Lee Campbell is a Managing Director at Blue Owl and member of the Finance, Accounting & Operations Team. In his role, Lee heads Accounting Policy and financial diligence for M&A activities.

Lee has 28 years’ experience and prior to joining Blue Owl he held positions at MetLife (2 years), AIG (10 years), PwC (10 years) and other auditing firms (5 years). At MetLife he led a team of 10+ people in Accounting Policy for investments, financial diligence for M&A activities & supported SEC reporting. At AIG he was the Global Head of Accounting Policy Team of 30+ people with locations in NYC, London, Houston, and Tokyo while overseeing financial diligence efforts for M&A activities and the Learning & Development Group. At PricewaterhouseCoopers he was a Senior Manager in audit and completed a three tour in the firm’s National Office.

Lee is a CPA in NJ/NY and received a BSBA in Accounting from Old Dominion University.

Robert Campkin
Managing Director
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Robert Campkin
Robert Campkin
Managing Director
London

Robert Campkin is a Managing Director at Blue Owl and member of the Net Lease Investment Team. In his role, he is responsible for originating and executing investments on behalf of Blue Owl’s European Net Lease Fund.

Before joining Blue Owl, Robert built and led the Corporate Capital Solutions business across EMEA for Colliers. Prior to joining Colliers in 2019, he worked as a Fund Manager for Swiss-Asia, a CMS-regulated multi-family office advising family offices, ultra-high net worth individuals, investors, developers, and funds on investment strategy and execution, overseeing the management of real estate-related investment vehicles.

Robert holds a degree in Real Estate Management and a Master’s in Finance from UCD Business School.

Shane Cantwell
Managing Director
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Shane Cantwell
Shane Cantwell
Managing Director
Greenwich

Shane Cantwell is a Managing Director at Blue Owl and member of the Liquid Credit Investment Team. In his role, he focuses on evaluating investment opportunities and capital markets coverage. 

Shane joined Blue Owl when the firm acquired Wellfleet Credit Partners, the predecessor to Blue Owl’s Liquid Credit team, which he joined at its founding. Prior to that, he was a member of the leveraged loan capital markets team at Credit Suisse. 

Shane received his BA from Fairfield University.

Lamar Cardinez
Principal
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Lamar Cardinez
Lamar Cardinez
Principal
New York

Lamar Cardinez is a Principal at Blue Owl and member of the GP Strategic Capital Investment Team. In his role, he focuses on evaluating investment opportunities, underwriting transactions and capital raising for the Blue Owl HomeCourt Partners Fund.

Before joining Blue Owl, Lamar was an Investment Banking Associate at Guggenheim Securities. Prior to that, Lamar was a member of the National Football League’s Junior Rotational Program where he worked in various media and business development roles and spent time at the 2014 Super Bowl Host Committee and Madison Square Garden.

Lamar received a BS in Business Administration from Northeastern University, where he graduated with honors, and received an MBA from Cornell University's Johnson College of Business.

In 2024, Lamar was named to Private Equity International’s Future 40 list in its Dealmakers category.

Nicole Cardona
Principal
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Nicole Cardona
Nicole Cardona
Principal
New York

Nicole Cardona is a Principal at Blue Owl and member of the Tax Team. In her role, she focuses on product structuring, tax compliance, investor reporting and operations for the Real Assets platform.

Before joining Blue Owl, Nicole was a Senior Vice President at Fortress, focused on tax compliance and investor reporting of the credit funds. Prior to that, Nicole began her career with PwC in the Real Estate Asset Management and Private Company Services practices.

Nicole received a BS in Accounting from Boston College and is a licensed Certified Public Accountant in New Jersey.