Gisela was trained as a biomedical researcher and has researched HIV/AIDS (PhD, AMC Amsterdam) and antibiotic resistance (post-doc, Hubrecht Institute). From 2015-2020 she was a policy adviser education for the Bachelor program Biomedical Sciences. In her role she was responsible for a number of portfolios, including Internationalisation, Selection and admissions, the programme's Strategic Plan, the Education and Examination Regulations and she contributed actively to the taskforce Diversity and Inclusion of UMC Utrecht. Since April 2020 she is Assistant Professor Educational Innovation for the master's programme Biomedical Sciences, where she develops education on Diversity and Inclusion in research, as well as training programs for teachers. She also researches the interventions. She is a member of the Core team D&I UMC Utrecht and she also represents the Faculty of Medicine in the EDI Steering Committee of UU.