Dr. Jonkman, received her PharmD in 2006 from the University of Pittsburgh School of Pharmacy. She subsequently began a two-year residency program at UPMC St. Margaret focusing in pharmacy practice, family medicine, and faculty development, completing the two-year combined pharmacy practice-family medicine specialty residency in 2008. She received her MPH from the University of Pittsburgh in 2012.

As a faculty member, Dr. Jonkman has practiced in a variety of underserved settings, currently at the Birmingham Free Clinic and the Salvation Army Harbor Light Center. Outside of the United States, she provides clinical support and teaching at the University of Namibia. She also supports clinical practice development and research with Shoulder to Shoulder Pittsburgh-San Jose (Honduras), and University of the Philippines/Philippine General Hospital (working with Dr. Edsel Salvana).

Her research and teaching interests revolve around addressing barriers to access for vulnerable populations both locally and globally. Her interest areas include family medicine, public health, global health, and care to the underserved. She is dedicated to providing quality care to all patients regardless of resources.

Within the school Dr. Jonkman serves as the Coordinator of International Pharmacy Student Experiences, co-director of the Area of Concentration in Global Health, and co-director of the PGY2 Pharmacy Residency in Global Health and Underserved Care. She serves as the faculty advisor for Pitt's SNPhA Chapter. She mentors students on research and practice experiences working in limited resource settings around the world.

Dr. Jonkman is a member of the American Association of Colleges of Pharmacy, the American College of Clinical Pharmacy, and the Federation of International Pharmacists.