Thomas Kalis is an experienced mental health professional currently serving as an MST-CAN and MST-therapist at de Viersprong since May 2021. Previous roles include trainer for professional standards at Koraal, where Thomas co-led courses on professional codes, disciplinary law, and ethics, and worked as a group facilitator and personal supervisor at the Hondsberg, supporting adolescents with mild intellectual disabilities and complex issues. Additionally, Thomas provided assistance to caregivers regarding internet usage as a trajectory facilitator and worked as a youth care worker at A.A.I. centrum De Klimop, focusing on goal-oriented day activities. Earlier experience includes serving as an overnight supervisor at Lister, supporting young adults with psychiatric issues. Thomas holds a Master's degree in General Social Sciences with a specialization in Youth Studies from Utrecht University and a Bachelor's degree in Social Work from Avans University of Applied Sciences.