About BioSynthema

BioSynthema Inc. is located in Saint Louis, Missouri at The Center for Emerging Technologies


Jack Erion, Ph.D.

President and CEO

Jack Erion is the lead scientist and manager for BioSynthema’s laboratories located in St. Louis, Missouri.  He has over 25 years of research experience in life sciences.  Prior to BioSynthema he was a Senior Principal Scientist in Discovery Research at Mallinckrodt Medical Inc.  Dr. Erion received his Ph.D. from the University of Kansas, and carried out postdoctoral research at the Roche Institute of Molecular Biology. 


Henk van Rossem
Chairman and Executive Officer
Henk van Rossem has international experience in bringing radiopharmaceuticals to the global market.  He was formerly the Vice President and General Manager, International for ALARIS Medical Systems.  Prior to ALARIS Mr. van Rossem was the Vice President and General Manager of the Nuclear Medicine division at Mallinckrodt Medical Inc.  He has played a key role in bringing a number of new and successful products to the market, both in the US and in Europe, including OctreoScan
®, the first peptide-based diagnostic imaging agent approved by the FDA for tumor detection.  Mr. van Rossem is a graduate of the Amsterdam School of Business with a degree in Marketing.

Mary A. Palank, Esq.
Vice President, General Counsel for Legal Affairs
Mary Palank has more than thirty years experience in the pharmaceutical and healthcare fields.  Mary Palank, formerly Vice-president, Law, Mallinckrodt Inc., is also the principal of the law firm, Palank & Associates, St. Louis, MO.