Sylwester comes from a farming background in eastern Poland. After earning his degree from the Warsaw University of Life Sciences in 2015, he honed his skills in large animal practice in Pułtusk. In 2022, he relocated to Ireland, where he worked in mixed practice in Mountbellew, County Galway, focusing primarily on cattle, sheep, and horses. In 2024, he became a member of the FarmGate Veterinary Group. Outside of work, Sylwester enjoys cycling, skiing, and going to the cinema.