Jonlin is the clinical research administrator and regulatory manager for gene transfer clinical trials conducted in the Divisions of Medical Genetics and Hematology, and for clinical research activities in the Institute for Stem Cell and Regenerative Medicine. Her responsibilities include clinical protocol design, human subjects protection, and coordinating and managing the regulatory submission and review processes for clinical trials involving gene transfer and stem cells. Jonlin regularly lectures on good clinical practice guidelines. For five years, Jonlin was a human subjects review administrator for one of the University of Washington's Institutional Review Boards, serving as a member and facilitator of the committee, and documenting committee reviews and decisions. Jonlin is a former AAAS
Science and Diplomacy Fellow, in which capacity she worked at the U.S. Agency for International Development, administering research funding programs and facilitating the review of grant proposals in the areas of immunology, tropical medicine and biotechnology. Jonlin earned her Ph.D. in biochemistry at the University of California, Los Angeles.