Erna Jellesma has extensive experience in the field of public health, serving as the Manager of GGD Fryslân for the regio Zuidoost since October 2009, with a focus on youth health care for ages 0-19 across municipalities such as Heerenveen, Ooststellingwerf, Skarsterlân, and Weststellingwerf. Prior to this role, Erna Jellesma held the position of Cluster Head of Youth Health Care for ages 4-19 from January 2002 to October 2009 and served as the Temporary Head of General Health Care from January 2000 to December 2001 at GGD Fryslân. Erna Jellesma's educational background includes a degree in MGZ, verpleegkunde from Saxion University of Applied Sciences, and qualifications in nursing from Hogeschool Leiden and St. Lucasziekenhuis Winschoten.