Former Blackstone Colleagues Isaac Harrouche and Mike Berlin Partner with David Blitzer and Announce Final Close of $400 Million Debut Fund
154 Partners (“154” or the “Firm”), a private equity firm focused on partnering with founders and owner-operators, announced the final closing of 154 Partners Fund I LP (together with its parallel vehicle, the “Fund” or “Fund I”) at its $400 million hard cap. Isaac Harrouche and Mike Berlin launched the Firm in January 2025. The Firm primarily invests in residential, business, and sports & live event services.
