154 Partners

Profile

154 Partners is a private equity firm based in New York City, founded in 2025 by Isaac Harrouche and Mike Berlin, both of whom started their careers at Blackstone. The firm is focused on partnering with founder- and family-led businesses in the lower-middle market, primarily in residential, business, and sports & live event services. The leadership team includes David Blitzer, adding extensive industry experience and strategic insight. What sets them apart is their focus on strengthening core processes and fostering the scalability of the businesses they invest in.

The firm targets companies generating $2M to $20M in EBITDA and makes both control and shared-control investments. They typically deploy $40M to $100M of equity per platform investment, reflecting their commitment to scalable growth. While their operations are centered around the U.S. market, especially in sectors like sports and live events, they are supported by strategic partnerships with family offices which provide flexible deal-making capabilities.

Notable investments include an accounting services consolidation platform and a sports & live event-focused guest services platform. These investments underline their strategic engagement in enhancing operational growth and executing accretive acquisitions in the identified core industries.