Esther van der Valk (MSc) has extensive experience in health promotion and lifestyle coaching, currently serving as a Gezondheidsbevorderaar en Gezonde School adviseur at GGD Fryslân since October 2019. Prior to this role, Esther worked as a Vitaliteits- en leefstijlcoach at Vitale groei from January 2018 to August 2020. Between 2002 and February 2018, Esther held multiple positions at the University Medical Center Groningen (UMCG), including Kwaliteitscoördinator and roles in nursing and scientific research within ophthalmology. Esther's educational background includes a post-HBO degree in Integrale leefstijlcoaching en -training from MARK Academy voor Leefstijl & Vitaliteit and various studies at prominent institutions such as Open Universiteit, Utrecht University, University of Groningen, Hanzehogeschool Groningen, and Friesland College. Esther also contributed as a Member of the Editorial Board for the Nurse Academy journal from September 2010 to February 2015.