McGahan joined Societe Generale from Citigroup where he spent the past 20 years in various roles including head of equity products sales & distribution for Europe as well as a senior relationship manager.
In his new role, McGahan will be based in London and will be responsible for strengthening the cash equity sales franchise in Europe.
He will report to David Escoffier, global co-head of global equity flow.
McGahan replaces Anne Bellavoine who has taken a new role as a client relationship manager for financial institutions within the bank’s Coverage and Investment Banking division.