Who We Are
Meet Our Leadership Team
Dr. Fumin Li, Ph.D.
Dr. Fumin Li holds a Ph.D. in analytical chemistry from Iowa State University and completed a postdoctoral fellowship at Pacific Northwest National Laboratory. Fumin has over 16 years of experience at Covance and PPD in regulated bioanalysis. He leads developing, validating, and transferring of hundreds of LC-MS/MS methods supporting regulated bioanalysis for IND, NDA, and ANDA filings. Fumin is skilled in laboratory operations, employee development, and client services.
Fumin is a Teaching Faculty I at the University of Wisconsin Madison, in the Applied Drug Development Master Program. Fumin is an active member of the bioanalysis community and contributes to AAPS and APA meetings. He serves as Vice Chair for the AAPS Bioanalytical Chromatographic Focus Group (BFG) and an organizing committee member for AAPS Summer Science Forum (SSF). He authored 40 peer-reviewed manuscripts, 63 posters/presentations, and four book chapters.
John Zulkoski
John Zulkoski has 25 years of diverse experience in drug development and food safety, working for leading laboratories including Covance and Eurofins. John oversees high-throughput sample analysis and manages advanced instrumentation fleets. With over 15 years as a mass spectrometry service engineer, John excels in routine and non-routine maintenance, training programs, and collaborating with teams for smooth operations.
John develops reliable bioanalytical and food safety testing methods, including pesticide and veterinary drug screening. He incorporates innovative technologies and chromatographic techniques to enhance workflow and quality. In GLP and GMP environments, John has executed successful global projects, supporting labs across multiple countries. John is the Operation Manager at Unitides Laboratories.
Jie Ding, Ph.D.
Jie Ding, Ph.D., joined Unitides Laboratories as Head of Biotransformation in September 2026. She brings extensive expertise in drug metabolism, biotransformation, metabolite identification (Met-ID), bioanalysis, and GMP-compliant analytical testing of drug substances and products.
Dr. Ding earned her Ph.D. in Analytical Chemistry from Iowa State University in 2005, followed by two years of postdoctoral research in omics at Pacific Northwest National Laboratory. Since 2007, she has held scientific and leadership roles at leading contract research organizations, including Covance/LabCorp and PPD/Thermo Fisher Scientific. Throughout her career, she has built and led high-performing teams that support pharmaceutical and biotechnology clients.
At Unitides Laboratories, Dr. Ding leads the development and expansion of the company’s biotransformation and Met-ID capabilities. Her focus is on delivering innovative, scientifically rigorous, and fit-for-purpose solutions for drug development programs. She combines advanced analytical technologies with deep scientific expertise to solve complex biotransformation challenges and provide reliable, high-quality support as clients’ needs evolve.