Guy obtained his Masters degree of Law in the early 90s followed by an Economics degree and subsequently an MBA.
He joined KBC Corporate Banking in 1994 as relationship manager prior to creating the Antwerp multinationals office as a Senior Banker in 2008, with responsibility over an international corporate portfolio. As of 2016 he became branch manager of the KBC corporate branch in the Antwerp port. Since early 2020 he heads the KBC Benelux Leveraged Finance team.