Giel Hendriks is the founder and CEO of Toxys. He has developed various in vitro assays to ensure the safety of novel medicines, chemicals and consumer products without the use of animals. He is an expert in genetic toxicology, has co-chaired expert working groups within the HESI Genetic Toxicology Technical Committee (GTTC), is the current president of the Dutch Environmental Mutagen Society and vice-vresident of the European Environmental Mutagenesis and Genomics Society (EEMGS). Giel has a PhD in molecular cell biology from Utrecht University and worked as a post-doctoral fellow in at Leiden University and Leiden University Medical Center.