Ms Zwaan has a background in cognitive psychology and epidemiology and obtained a PhD degree on Diagnostic reasoning and Diagnostic error in medicine from the VU University Medical Center in Amsterdam, the Netherlands. She received prestigious VENI and Erasmus MC fellowship grants for her research on diagnostic reasoning. She has (co-)authored more than 25 publications in the field of patient safety. In addition to her work as a researcher, she was the chair of the Diagnostic Error in Medicine 1st European conference in 2016 and the chair of the research committee of the Society to Improve Diagnosis in medicine (SIDM) from 2015-2017. Ms Zwaan is on the editorial board of the journal Diagnosis.