Meet Our Staff

Jeff Olliffe, M.D. Medical Director, Bellevue Sperm Bank

Jeff Olliffe, M.D. Medical Director
Dr. Jeff Olliffe conducts the initial and follow-up exams for our donors. He also works alongside our geneticist in the process of approving candidates into our program. Dr. Olliffe is a Member of the American Academy of Family Physicians, the Washington State Medical Society, the King County Medical Society and affiliates with Swedish Medical Hospital. Dr. Oliffe is a precept/instructor at the University of Washington Department of Family Medicine and has an affinity for bringing fertility options to those who are biologically incapable of producing offspring.

Katherine Hornberger, Certified Genetic Counselor, Bellevue Sperm Bank

Katherine Hornberger, M.S., C.G.C. – Certified Genetic Counselor
Katherine is a board certified and licensed genetic counselor who supports recipients, donors, and clinics working with Seattle Sperm Bank. Prior to joining Seattle Sperm Bank, Katherine worked for a large IVF center and a genetic testing laboratory. With years of experience providing genetic counseling to individuals and couples utilizing donor gametes to build their family, she understands the questions and concerns that can arise regarding donors. Katherine holds a B.S. in Psychology from the University of Wisconsin- Madison and a M.S. in Genetic Counseling from the University of Colorado.