Investment Management Ara Partners Appoints Masumi Waida as Chief Financial Officer
Sep 30, 2026 | By Devin Jacobs

Ara Partners, a global private equity and infrastructure firm focused on industrial decarbonization, has appointed Masumi Waida as Chief Financial Officer.
SUMMARY
- Ara Partners appointed Masumi Waida as CFO.
- She will lead finance and accounting operations.
- Ara Partners invests in industrial decarbonization.
Waida brings more than 20 years of experience in investment management. He joins Ara from ACON Investments, a middle-market private equity firm where he served as CFO.
At Ara, Waida will oversee corporate and fund finance, accounting, tax, financial reporting and treasury. He will also help build the firm’s finance and operations functions as it expands its private equity, infrastructure and energy strategies.
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Before joining ACON, Waida served as Managing Director and CFO of the Mount Kellett Funds at Fortress Investment Group. Earlier, he was a Vice President at Lehman Brothers, where he managed a range of private equity and hedge fund products.
Waida holds a Bachelor of Commerce degree from the University of Alberta and is a Chartered Professional Accountant and Chartered Accountant (CPA, CA) in Canada.
"Ara has built a differentiated platform in an area of the market where capital is genuinely needed," said Mr. Waida. "I'm looking forward to building the infrastructure to support the firm's next phase of growth."
"Masumi has built and led finance functions at global investment firms through periods of significant growth, and that experience will serve Ara and our investors well," said Troy Thacker, Managing Partner at Ara Partners. "As we continue to scale our platform, his discipline and depth make him exactly the right person to lead our finance organization."
About Ara Partners
Founded in 2017, Ara Partners is a global investment firm focused on reducing emissions in the industrial economy. The firm invests in three areas: private equity, infrastructure and energy. Ara Partners supports businesses and infrastructure that use proven decarbonization technologies and works to reduce emissions across the traditional energy sector.
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