About Mariner Investment Group, LLC
Mariner Investment Group, LLC is an alternative investment management firm that was founded in 1992, according to its official website. The firm says it offers specialized strategies that invest across both public and private markets. Third-party financial databases describe it as providing discretionary portfolio management and advisory services, mainly to institutional clients through hedge funds, private equity funds, multi-strategy funds and separately managed accounts.The official website's contact page lists offices at Manhattanville Road in Purchase, New York, and at Park Avenue in New York City. Financial databases list its principal office on Mamaroneck Avenue in Harrison, New York. The official About page reports eight offices worldwide and about $10.2 billion in assets under management as of August 1, 2026, with figures described as estimated and unaudited.
| Type | Organization |
|---|---|
| New York offices | Purchase, New York City, Harrison |
| Website | marinerinvestment.com |
| Registered NY attorneys | 7 |
Organization profile based on its official website and public sources (reviewed October 30, 2026). Attorney list from the New York State Unified Court System registration data. Not affiliated with Mariner Investment Group, LLC.
Registered attorneys
Peter O'Rourke Currently registered John Kelty Currently registered Tal Gurion Currently registered Jennifer Driscoll Currently registered Ellen Leigh Currently registered Russell Thompson Currently registered Daniel Alvarez Currently registeredRegistration status can change at any time. Confirm any attorney's current status through the official New York Attorney Search.