Scientific Team


Nancy Stewart, PhD

Director clinical Development

Dr. Nancy Stewart obtained her B.Sc. (Hons.) in human genetics from the University of Manitoba, M.Sc. from McMaster University, and Ph.D from the University of Manitoba. While at the U of M, she examined the role of p53 and its control over cell cycle progression. Dr. Stewart has over 15 years experience in drug development. She first worked at Viventia Biotech as a Regulatory Scientist, in oncology preclinical (in vitro and in vivo), clinical and regulatory areas. Subsequent to this, she served as a Project Manager at Medicure Inc., and after that as Senior Project Manager at Clinical Development Solutions; She has overseen the management of both domestic and international clinical trials, Phase 1 –3, in a number of clinical areas.


Bob Choy, PhD

Director Product Development

Dr. Choy joined Marsala Biotech in 2012. He has published papers about molecular biology of cancer drug resistance; molecular control of gene expression, control through both basic and tissue-dependent transcription factors; embryonic developmental gene control; and the field of bioinformatics. After completing his Ph.D. in Biochemistry at the Manitoba Institute of Cell Biology, University of Manitoba, Dr. Choy was a National Cancer Institute of Canada Postdoctoral Fellow at U. Massachusetts Medical School. He was an Instructor at Harvard Medical School and at Beth Israel Deaconess Medical Center in Boston, and has held research positions at the NEB Bone and Joint Institute and BIDMC Genomics and Proteomics Group.