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Toxys is a Dutch biotech company that provides innovative in vitro toxicity screening solutions to rapidly identify hazardous and potential carcinogenic properties of novel compounds during the early phases of product and drug development.

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Our Amazing Team Meet The Crew

We are very proud to work with this fantastic group of people.

giel

Giel Hendriks

CEO

Paula van Rossum

Director BD & Sales

remco

Remco Derr

Product specialist

peter

Peter Racz

Senior Scientist

Giel Hendriks

CEO

Giel Hendriks has a PhD in molecular biology from Utrecht University and worked for four years as a post-doctoral fellow in at Leiden University, studying the relationship between DNA damage and gene mutations. After this fundamental scientific projects he made a switch and worked for six years a senior scientist at the Leiden University Medical Center on the development of in vitro reporter systems to detect and understand the mechanisms of genotoxicity. During this period, he has been instrumental in the development of the ToxTracker assay.

In 2014, Giel obtained pre-seed financing from NGI to start Toxys and to bring the ToxTracker assay to the market. As CEO of Toxys, he worked to develop the company into an internationally recognised contract research organisation (CRO) in genetic toxicology and chemical safety testing for the pharmaceutical, cosmetics and chemical industry.

After winning the HollandBio BioBusiness Masterclass in 2015, in the beginning of 2016 he secured Seed financing from InnovationQuarter and the Zeeland Investment Fund to establish a new Toxys laboratory, further grow the company and continue the development of innovative in vitro cell assays for mechanistic toxicity screening.

Paula van Rossum

Director BD & Sales

Paula van Rossum joined Toxys in 2016 as Director Business Development & Sales. Paula is a driven professional with a track record in BD & Sales. She was Chief Business Officer for OcellO, a spin-off company from Leiden University where she was involved in the business development and business management. Previously she was project manager Life Sciences at the Utrecht Science Park where she was involved in the promotion and acquisition and Liaison Officer for the LACDR (Leiden University). Paula studied biomedical sciences and graduated in both the Research and Business track.

Remco Derr

Product specialist

Remco Derr joined Toxys in 2014 as product specialist. He studied biomedical sciences at the university of Ghent (Bachelor) and university of Leiden (Master). During his master he did a research internship at the department of Toxicogenetics in the Leiden University where he studied DNA damage mechanisms. He joined Toxys in 2014 and has been on board since the beginning. Within toxys he performs the fee-for-service screening and helps to develop novel applications of the ToxTracker assay.

Peter Racz

Senior Scientist

Peter Racz joined Toxys in 2016. Previously  he worked in academia as well as in industry in several countries (USA, Hungary and the Netherlands) and acquired a broad experience in the field of toxicology, assay development, in vitro diagnostics and pre-clinical screening. He obtained his MSc degree in biology majoring in biotechnology and genetics, and his PhD in molecular biology. Formerly, as a senior researcher of ZF-screens he developed a Developmental and Reproductive Toxicology (DART) assay using the zebrafish larvae model. Within Toxys he is involved in the development of novel applications of the ToxTracker assay.

Lisette Zeijdel

Laboratory Technician

Marlon Dijkshoorn

CFO

Lisette Zeijdel

Laboratory Technician

Lisette joined Toxys in 2016. Previously  she worked in the role of research assistant in the department of early drug development of Biomarin focussing on toxicology. She is studying to get her bachelor degree at the University of Applied Sciences of Utrecht.

Marlon Dijkshoorn

Chief Financial Officer

Having more than 25 years of experience in financial management from large enterprises to venture funds and small technology companies, Marlon acts as part time CFO for Toxys. From 1999 to 2004 Marlon was CFO for Life Science Partners assisting in the establishment of Funds I and II. During 2005 Marlon established Finmar B.V. a boutique financial advisory and management service for SMEs in the health and medical sectors. Marlon provides financial planning, tax and strategic support for SMEs in the early phases. Having experience of sitting on both sides of the risk capital table Marlon provides critical support in raising capital investments and  delivering timely and high quality information to both management and shareholders. Marlon holds a degree in Business Economy from the Erasmus University.