Tanja Nagel has had a long career in the financial sector. In 2009 she became CEO at Theodoor Gillissen Bankers, a position she held until 2017. During her career she has gained ample experience in supervising diverse organisations and companies. Amongst others, she served on the supervisory boards of the Pink Ribbon Foundation and The National Maritime Museum and chaired the audit committee in both boards. Next to her role at Oncode, she currently serves in in the board of the Utrecht University Fund and in the supervisory boards of PNO consultants and EY The Netherlands.