James B. Rosenwald III (born January 19, 1958) is an American fund manager and academic who is the co-founder and Chief Investment Officer of Dalton Investments Inc.[5] an asset management company headquartered in New York, NY,[6] and adjunct professor at Stern School of Business at New York University.

[8] In 2020, Rosenwald co-founded Activist Japan investment trust Nippon Active Value Fund (NAVF) and launched its IPO.

He is the brother of designer and ceramic artist Jill Rosenwald,[14] and the first cousin of actress Kyra Sedgwick.

[20] Clients include pensions, endowments, financial services companies, sovereign wealth funds, profit sharing plans and high-net-worth individuals.

He and Kyle Kazan, co-founded Beach Front Properties, LLC, a real estate investment company based in California.