AlphaMaven AlphaMaven

Blackstone's GSO co-founder Ostrover to leave firm and start family office - PEI Private Equity

Reported by Private Equity International
Nov 3, 2026· 1 min read
Save Post LinkedIn Email
Key Takeaways
  • • Doug Ostrover, a senior managing director and co-founder of Blackstone's alternative credit platform GSO, is leaving the firm, according to an announcement by Blackstone.
  • • Ostrover plans to start a family office following his departure, per the reported story.
  • • The move is a leadership change at one of Blackstone's credit platforms, a matter of interest to allocators tracking GSO's management team.
Summary
Doug Ostrover, a senior managing director at Blackstone's alternative credit platform GSO, will be leaving that position, the firm announced. The departure was reported by PEI Private Equity, which described Ostrover as a co-founder of GSO. According to the report, Ostrover intends to establish a family office after leaving Blackstone.

The source material provided is limited to the announcement and the reported plans for a family office. It does not include details on the timing of the departure, any successor arrangements, or the scale of the family office. Readers tracking GSO's leadership should note the change in senior personnel at the platform, which is part of Blackstone's broader alternative credit business.

Go deeper than the headline

Research every firm in this story, track the ones that matter and get the daily briefing — free for 7 days.

Start your free 7-day trial

Sources

1 outlet

AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Private Equity International Blackstone's GSO co-founder Ostrover to leave firm and start family office - PEI Private Equity