Nadja became a civil engineer-architect at UGent in 1997. She is also certified in Fire Safety Engineering. Nadja took additional courses in Self-compacting Concrete (2001), Formworks and Fair-faced Concrete (VIK, 2004) and Concrete (WTCB, 2004). She is a member of the WTCB's Fire Safety Technical Committee. Nadja became a BB'er in 1998. Until 2023, Nadja was one of the partners and board members of BB. She is a member of Team Knowledge, Innovation & Technology.