Head of Medicinal Chemistry and Co-founder. Jacek is an entrepreneur with over 15 years of experience in synthetic and medicinal chemistry. He has been the co-founder and President of TriMen Chemicals SA since 1999. TriMen Chemicals has offered its CRO services not only in Poland but also internationally and attracted a number of customers ranging from big pharma companies and large and medium-sized biotech companies from Europe and United States (several contracts) to private and not-for-profit US research organizations. Jacek has managed most of these contracts and has been personally involved in a number of projects focused on medicinal chemistry, process chemistry and synthesis of complex molecules. Jacek received his PhD in organic chemistry from the Łódź University of Technology and is a co-author of more than 25 peer-reviewed publications and patents (>260 citations, H-index=11).