Meet Our Team

Executive Management

James R. Musick, Ph.D Chief Executive Officer

Dr. Musick founded the Company in its present form and has served in various management capacities since joining the Company in 1988. He earned a Ph.D. degree in biological sciences with a specialty in neuroscience from Northwestern University and completed post-doctoral work at the University of Utah. His academic career included the position of Assistant Professor of Physiology at the University of Utah, School of Medicine.

Erik Van Horn, BSChE Quality Assurance Director

Erik has extensive experience in the technical and managerial background in biologic manufacturing operations. He served in various senior positions at Amgen, Inc. for 12 years. He has specific expertise in mid and long-term planning and logistical design of manufacturing operations in the drug industry. Erik has extensive background in FDA regulatory environment. He directs establishment and certification for our Quality Management System to maintain the GMP and FDA compliance.

John R. Evans, B. Comm., C.A. Chief Financial Officer

John R. Evans has over thirty years of extensive experience in finance, accounting, business development, licensing and patent prosecution along with executive level experience in mergers and acquisitions of both private and public companies. He joined Vitro BioPharma in March of 2017. Prior to that he was a Director, Managing member and CEO of a number of companies requiring executive level leadership and financial and legal management services.

Tiana A. Tonrey, M.S. Chief Operating Officer

Tiana began her work with Vitro Biopharma in late 2013, assisting in the development and expansion of new products. She currently oversees all matters involving operations including strategic planning, execution of operational activities, and advances in laboratory operations through innovative concepts and practices. She  leads and manages a comprehensive array of services and products through strict regulations and implementations.

Advisory Board

Ken Oleszek, M.D. Clinical/Medical Advisor

Dr. Ken Oleszek, M.D. is owner/medical director of Colorado Stem Cell Treatment Center. He has been involved in clinical stem cell therapy for over 5 years, specializing in autologous adipose-derived SVF (Stromal Vascular Fraction) therapies. This means obtaining stem cells from the patient’s own fatty tissue. Dr. Oleszek, M.D. is affiliated with the Cell Surgical Network and the exciting ground breaking clinical research that may revolutionize the treatment of many medical diseases.


John Smith III, M.D. CLIA Lab Director/Clinical Consultant

Dr. Smith is a Board Certified Clinical Pathologist in Anatomic, Clinical and Dermatopathology. He practiced medicine from 1989 to 2017 at Kaiser Permante in Denver Colorado serving various positions during his tenure there. He serves at the Clinical Director and Clinical Consultant of Vitro Biopharma’s ClIA-registered clinical reference laboratory.

Margi Haas, MT(ASCP) CLIA Technical Supervisor/Consultant

Ms. Haas received a Bachelor of Science degree from Colorado State University and performed a Medical Technology Internship at the University of Medicine and Dentistry of New Jersy. She is an ASCP Certified Medical Technologist and a Registered Microbiologist. She has previously developed the original quality system for a national clinical reference laboratory. She oversees the operations of Vitro Biopharma’s CLIA-registered clinical laboratory and serves at its Technical Supervisor and consultant.