Dr. Paul Theuns graduated in 1987 from the University of Ghent as a veterinarian for companion animals. After graduating, he worked in various pet practices for the first few years. 

He has worked in  private practices from 1987 till 2023 (Bergen op Zoom from 1987-1992，Papendrecht from 1992-2023, Soesterberg from 2003- 2020)，Amstelveen 2010-2022, Wageningen 2018-present, Leusden 2023-present，DAVDC 2022 DEVDC 2023