Meet Our Team Meet our multi-disciplinary team dedicated to caring for patients with genetic conditions: Clinical geneticists Markus Grompe, M.D. Cary O. Harding, M.D. Susan J. Hayflick, M.D. Penelope Hogarth, M.D. David M. Koeller, M.D. Kimberly Kripps, M.D. Caleb C. Rogers Wojciech Wiszniewski, M.D., Ph.D. Jonathan Zonana, M.D. Genetic counselors Anna Dennis, M.S., C.G.C. Kelly Jo Hamman, M.S., C.G.C. Stephanie Goettl, M.S., C.G.C. Kory Keller, M.S., C.G.C. Karen E. Kovak, M.S., C.G.C. Jessica D. Kushner, M.S., C.G.C. Brianne Nicholson, M.S., C.G.C. Puneet Rai, M.S., C.G.C. Nurse practitioners Sarah Viall, P.N.P. Leah Bjornskov Wessenberg, RN, M.N., FNP-C Dieticians Joyanna Hansen, Ph.D., R.D., L.D. Sandra Carol van Calcar, Ph.D., R.D., L.D.