Hagen is a seasoned Executive Search and Governance Advisory consultant who specializes in highly confidential C-Level Executive and Board/Non-Executive searches across all industry sectors. He is leading Eric Salmon & Partner’s Global Board and Governance Advisory Practice. A major part of his work is the recruitment and evaluation of Non-Executive Board Directors.

He is a member of the European Corporate Governance Institute (ECGI) in Brussels and has published several whitepapers on Blockchain and corporate governance, non-executive directors in fast-growing technology companies and on corporate governance in Iran.

Hagen is a member of the board of directors of INSEAD International Directors Network and currently serves as Chair of the Membership Committee as well as a member of the Nomination and Governance Committee. He is a member of the board of the Armenian Institute of Directors (AIOD) in Yerevan, Armenia.

He has been a Mentor for Oxford Women’s Leadership Community's "Ascent" Programme and is supporting "European Women on Boards" (EWoB) and the Armenian Corporate Governance Center as a guest lecturer in their programmes for female board directors.

Hagen was educated at the University of Oxford, where he earned a Postgraduate Diploma in Strategy and Innovation from Saïd Business School, took part in the High-Performance Leadership Programme (HPLP), and at INSEAD, where he completed the International Directors Programme (IDP-C) and Advanced Strategy for Directors (ASD).