Pieter-Jan Kellens is an Academisch assistent at Universiteit Gent since October 2018, where research focuses on medical physics in radiology and entails performing quality assurance and control of radiology devices across Flanders. Concurrently, Pieter-Jan has been a Coach at My Sherpa since August 2018, motivating individuals to achieve their goals in physics, chemistry, and biology. In addition, Pieter-Jan serves as a Ceremonial assistant at DELA Belgium since October 2014, supporting families during funerals, and has been an Initiator at Tennisclub Zottegem since September 2011, introducing people to tennis. Educational qualifications include a Master's degree in Statistical Data Analysis and a Postgraduate Degree in Medical Radiation Physics, both from Ghent University, along with a Master of Science in Biomedical Sciences.