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Sonny Thadani returns to lead Accordion’s New York office growth

Thu, 9th Oct 2025

Accordion has announced the return of Sonny Thadani as New York City Office Lead, marking a significant appointment for the firm's largest office.

Thadani, who was previously with the company as its first Chief Operating Officer, rejoins after several years away, bringing new experience gathered through various leadership roles outside the company. His appointment is expected to bolster Accordion's senior leadership team as the firm continues to grow globally.

Leadership return

Nick Leopard, Founder & CEO of Accordion, highlighted both Thadani's history with the firm and the expectations of his return.

"Sonny helped build this firm from the ground up and was part of Accordion's fabric even during his time away. His return reflects our commitment to investing in proven leaders who not only understand the evolving private equity landscape but also embody our people-first culture. With Sonny's leadership in our largest and most client-concentrated market, Accordion is exceptionally well-positioned to continue growing at pace - delivering lasting value for both sponsors and CFOs," said Nick Leopard, Founder & CEO of Accordion. 

Thadani will serve as the firm's representative in its most critical client hub, overseeing teams and driving strategy in the New York office. His remit not only covers operations but is expected to touch upon talent development and client service.

Background and career

During his previous decade-long tenure at Accordion, which began at the firm's founding, Thadani managed operations, infrastructure, and the people strategy, contributing to the organisation's tenure as a partner for private equity CFOs. After departing in 2020, he became co-founder and CEO at Robin, a digital coaching platform focused on the future of learning using curated content, assessments, and live virtual sessions.

As CEO at Robin, Thadani extended his leadership and entrepreneurial experience, especially around innovation in digital service delivery and learning tools. These skills are now being directed towards his new role at Accordion.

Sector changes

The appointment comes as the private equity sector faces an evolving landscape, a point that Thadani acknowledged in his comments.

"The PE landscape is evolving quickly. Accordion has always stayed ahead of the curve - first with our focus on the Office of the CFO, and now with our AI and data solutions. In today's more competitive environment, where the stakes are higher than ever, I'm energized by the challenge of helping private equity navigate what comes next," said Thadani. 

His leadership is expected to play a role in ensuring that Accordion meets the new challenges of the sector by supporting both clients and internal teams as the industry changes and competition intensifies.

Focus on talent and culture

Accordion places an emphasis on its organisational culture, an aspect Thadani helped to establish during his original tenure. This philosophy is regarded within the firm as critical to achieving strong client outcomes. Thadani stated that his new role aligns closely with his interests and previous work at the company.

"Our ability to attract incredible talent has grown over the years. The New York Office Lead position feels like the perfect fit, as it allows me to focus on two things I love: delivering for clients and helping top talent thrive," Thadani added. 

Thadani will be based in New York, where the office continues to act as a central hub for Accordion's client relationships and service delivery in the private equity arena. The company expects that his return will support not only the operational side but also maintain an environment where top talent can develop and contribute to client success.

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