Welker is executive director of OSU’s Primary Care Network and the associate dean for primary care. She also serves as the chair for the Department of Family Medicine. She is a member of the board of directors for Ohio State University Physicians. Welker has served as a member of the Ohio Academy of Family Physicians Board of Directors, the Ohio State Medical Association Board of Trustees and the American Academy of Family Physicians Board of Directors. Welker is board certified by the American Board of Family Medicine and has the AAFP Degree of Fellow, an earned degree awarded to family physicians for distinguished service and continuing medical education.