Dr. Sebastian Frehner studied law at the University of Freiburg im Üechtland and did a PhD in antitrust law. Furthermore he is registered as auditor at the audit regulatory agency RAB. He is active since 2007 in business consulting, since 2010 with his own company adoro consulting sa. Sebastian Frehner has many years of experience as member of the board of a mid-size Swiss bank and as president of a pension fund. For nine years he was a member of the Swiss National Council (member finance committee and committee for social security and health).

Current mandates (selection):
Bankrat Basler Kantonalbank
Verwaltungsrat Bank Cler 
Präsident Stiftungsrat Pensionskasse der Basler Kantonalbank 
Beirat Swiss Board Forum
Beirat Groupe Mutuel 
Beirat Treuhandsuisse 
Beirat Gastrosuisse
Beirat Konsumentenforum kf