Pantheon’s four new partners: three promotions, one hire  

• Stephen Branagan, Dianne Remanous, and Akitoshi Yamada promoted to partner
• Dean Maines appointed as chief financial officer and named as partner
• Pantheon has been majority-owned by AMG since 2010

Pantheon Group has elevated three members to partner level and appointed a new partner in a move to strengthen the firm’s key operational capabilities and support its growth.

Stephen Branagan, global head of operations and head of Ireland, Dianne Remanous, chief human resources officer, and Akitoshi Yamada, head of Japan in the Asian investor relations team, were promoted to partner. They have been at the company since 2018.

Additionally, Dean Maines was appointed as chief financial officer. Prior to this, Maines was at Affiliated Managers Group (AMG).

The firm also promoted nine people to managing director level.

“Pantheon’s success has been built on a culture of investment conviction and operational excellence, and we will continue to lean into these core strengths to deliver for our growing base of institutional and private wealth clients across our expanding range of investment strategies and geographies,” said Paul Ward, managing partner.

Pantheon, established in 1982, is a global private markets manager that invests on behalf of over 960 investors. The firm managed $88.0 billion assets as of 30 June and it employs over 460 people across its offices in London, San Francisco, New York, Chicago, Hong Kong, Seoul, Bogotá, Tokyo, Dublin, and Berlin.

AMG, headquartered in Florida, is a global partner to independent active investment management firms. The firm’s aggregate assets under management were around $756 billion as of 30 June 2021. It has held a majority stake in Pantheon since 2010.