Sem Haex is a consultant at Building Heroes Nederland since April 2023, previously serving as an account manager at Verisure Nederland from December 2022 to April 2023. Sem Haex operated as a lights technician in the film industry from January 2018 to December 2022, working on various commercials for brands such as Jumbo, Toblerone, Albert Heijn, and Peugeot. Prior experience includes a role as a horeca medewerker at paviljoen Zuidpier, where customer service was a key focus. Sem Haex completed education at I AM College from 2017 to 2018 and attended Montessori Lyceum Amsterdam from August 2013 to June 2017, achieving a HAVO/VWO degree.