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Kelso & Company, L.P. is one of the oldest and most established private equity firms in the United States, founded in 1971 by Louis O. Kelso, an early advocate of employee stock ownership plans (ESOPs). The firm focuses on partnering with strong management teams to make equity investments in middle-market companies across a range of industries, including industrials, consumer, healthcare, business services, and financial services. Kelso & Company is known for its long-term investment horizon, its collaborative approach with management, and its history of successful buyouts, recapitalizations, and growth capital financings. They primarily invest in businesses in North America and have a strong track record of building value in their portfolio companies.
The headquarters serves as the central hub for Kelso & Company's investment activities, including deal origination, due diligence, portfolio company oversight, fundraising, and investor relations.
Located in a prestigious Park Avenue office building, the headquarters offers modern facilities and a professional environment conducive to high-level financial operations. Specific architectural details of the office space are private.
The work culture at Kelso & Company's headquarters is characterized by intellectual rigor, collaboration, and a results-driven approach, typical of a leading private equity firm. It fosters a demanding yet rewarding environment focused on analytical decision-making and partnership with management teams.
Its New York City location provides Kelso & Company with unparalleled access to financial markets, industry expertise, deal flow, and a deep talent pool, reinforcing its position in the private equity landscape.
Kelso & Company is headquartered in New York and primarily focuses its investment activities on middle-market companies based in North America. While its direct office presence is concentrated, its portfolio companies often have global operations, and Kelso supports their international expansion strategies. The firm's capital is raised from a diverse, global base of Limited Partners, including institutions from around the world.
320 Park Avenue, 24th Floor
New York
NY
USA
No additional office locations available.
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As of April 2025, Kelso & Company' leadership includes:
Kelso & Company has been backed by several prominent investors over the years, including:
In late 2023, Kelso & Company announced a significant leadership succession plan. Effective January 1, 2024, Chris Collins and Hank Mannix were appointed Co-Chief Executive Officers. Frank Nickell and Michael Goldberg, who previously served as Co-CEOs, transitioned to the roles of Co-Chairmen of the firm. These changes represent internal promotions and a strategic transition for long-term leadership.
Discover the tools Kelso & Company uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Kelso & Company commonly utilizes an email format consisting of the employee's first initial followed by their last name @kelsoco.com. This is a standard pattern for many employees at the firm.
flast@kelsoco.com
Format
ccollins@kelsoco.com
Example
85%
Success rate
PE Hub • November 2, 2023
Kelso & Company has appointed Chris Collins and Hank Mannix as co-CEOs, effective January 1, 2024. Frank Nickell and Michael Goldberg will transition to co-chairmen roles. Both Collins and Mannix are long-tenured managing partners at the firm, bringing extensive experience to their new leadership positions....more
PR Newswire • December 5, 2023
Kelso & Company announced its agreement to acquire Ferraro Foods, a prominent specialty distributor of food and foodservice supplies catering to the Italian restaurant and pizzeria market in the Eastern United States. This strategic acquisition aims to support Ferraro's ongoing growth initiatives and market expansion....more
PR Newswire • April 3, 2024
Eagle Foodservice Group, a portfolio company of Kelso & Company, announced the acquisition of the foodservice steam and water business from Watsco, Inc. (NYSE: WSO). This acquisition expands Eagle's offerings in the commercial foodservice equipment sector....more
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