Marcel (ThB) Twickler is an experienced medical professional specializing in endocrinology, diabetology, and metabolic diseases. Since April 2012, Marcel has served as the Head of Department at AZ Monica. Prior roles include Senior Staff Member in endocrinology at UZA from September 2011 to July 2018, and Staff Member in Vascular Medicine/Clinical Researcher at the Academic Medical Center from May 2007 to December 2011. Additional experience includes positions as Internist-Endocrinologist and Staff Member at various institutions. Marcel holds an MD PhD in Internal Medicine from Utrecht University, a PhD from Pierre and Marie Curie University, and an MD in Medicine from Radboud University. Early education includes an Atheneum degree from Dongemond College.