Welcome Sponsors

Our Staff

Senior Management

Charles E. Halstenson, Pharm. D., CEO
Chuck Halstenson is a research and healthcare executive with over 30 years
of diverse management and entrepreneurial experience including clinical
research and multi-site healthcare systems. Chuck received his Pharm. D.
degree from the University of Minnesota. He co-directed operations for a
phase I unit for over 17 years. Chuck is a Clinical Professor, Department of
Pharmacy Practice at the College of Pharmacy, University of Minnesota.
Chuck has presented 109 scientific abstracts at pharmacy related scientific
meetings, wrote seven book chapters and published 85 articles in
peer-reviewed scientific literature. Chuck is a Fellow of Clinical Pharmacology
and a Fellow, American College of Clinical Pharmacy.

Jeffrey D. Cosgrove, President
Jeff Cosgrove is a research executive with over 20 years of experience in
operational management of clinical research for the pharmaceutical industry.
Jeff's previous experience includes creating and managing recruitment for a
phase I organization and directing operations for phase I trials. Jeff has been
published in industry publications, served as a guest faculty lecturer for the
University of Minnesota, Masters in Research Program as well numerous
other associations. Jeff has been directly involved in the management of
over 800 early phase research protocols since 1990.

Principal Investigators

Mark A Matson MD, Investigator
Dr. Mark Matson joined Prism Clinical Research as an investigator in 2007.
He earned his BA in Biochemistry, Molecular and Cell biology from
Northwestern University in Evanston, IL. He is a graduate of the University of
Minnesota Medical School. His post-graduate training consists of an Internal
Medicine Residency at the Medical College of Wisconsin and a Nephrology
Fellowship at Hennepin County Medical Center/ University of Minnesota.
He began to work as in investigator in a Phase I drug studies unit in 1990.
He has published numerous articles in medical journals and textbooks
including a chapter on Drug Induced Renal Disease in Pharmacotherapy.
During his years of clinical practice he has served in many management
and leadership roles on the medical staffs of hospitals and practice groups
and has been part of the clinical faculty of residency training programs.
He is certified in Internal Medicine and Nephrology by the American Board of
Internal Medicine and as a Specialist in Clinical Hypertension by the
American Society of Hypertension.

Shannon Marie Canas, MD, Investigator
B.A in Biology, Carleton College. Attended Medical School at the University
of Chicago, Prizker School of Medicine
Internal Medicine Residency, University of Minnesota
Board Certified in Internal Medicine
5 years of primary care, Internal medicine experience managing complex
adult and geriatric patients

Jaclyn Schloesser, PA-C, Sub-Investigator
Jaci Schloesser is a Physician Assistant who has been with Prism Clinical Research since 2010. She earned a Master’s in Medical Science Degree from Midwestern University in Downer’s Grove, IL in 2009. Prior to that, she worked on phase I-IV clinical research trials at Minnesota Gastroenterology and Hennepin County Medical Center. She graduated from Hamline University in 2005 with a BA in both biology and psychology.