
Sarah Dewilde
Founder & CEO
This is SHE
Dr. Sarah Dewilde is an accomplished statistician and health economist, with 20 years of experience as a senior consultant. She is an occasional member of expert panels for government agencies in Belgium. Sarah is interested in the analysis of observational as well as RCT data. She has extensive experience in modelling cost-effectiveness analyses as well as writing submission dossiers for NICE and similar bodies across the EU. She has strong managerial and project management skills, overseeing multiple long and short term projects simultaneously and delivering high-quality work on time. Sarah is currently managing a group of six independent consultants with whom she has long-standing working relationships, located in different countries. Sarah has several publications in leading peer-reviewed journals and is fluent in English, French and Dutch.

Nafthali Tollenaar
Assistant Researcher
This is HE
Nafthali is SHE’s first full-time employee since June 2021, he but has been active as freelancer since 2018/2019. A Bachelor of Business Administration (BBA) and several specified health economical-courses (Good Clinical Practise, ISPOR short courses etc.) serve as basis for his every-day-tasks.
In recent years, he has gained experience in managing studies on a large scale. He is involved in taking care of the study from its initiation to the publication of the results. His responsibilities therefore include creating study materials, obtaining ethical approval, collecting and monitoring data and last of all, scientific writing. He is fluent in Dutch and English, and is learning French.

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Assistant Researcher
This is HE
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