Ricardo Tunnissen learned the banking business from scratch. After completing his training as a banker IHK at a regional Volksbank, he started as a private customer advisor with responsibility for over 3,000 of his own customers. Both during his time as a financing specialist in private construction financing and as a commercial customer advisor in the corporate and commercial customer department, he trained to become a certified commercial customer advisor RWGA and received the VR advisor pass ServiceBeratung RWGA through additional training.