154 Partners is a New York-based private equity firm focused on partnering with lower middle market founders and owner-operators. Founded in 2025 by former Blackstone colleagues Isaac Harrouche and Mike Berlin, the firm targets control and shared-control investments in North American companies with strong cash flow and growth potential through operational improvement and strategic M&A. 154 typically partners with businesses generating $2-20mm in EBITDA and deploys $40-$100mm+ of equity per platform, inclusive of co-invest over the life of a partnership. 

For more information, please visit www.154partners.com.

Contact Information:
For Companies: wyatt@154partners.com.
For Other Inquiries: hello@154partners.com.

154 Partners

Org chart

Teams

Offices