Paroxysmal Nocturnal Hemoglobinuria (PNH)

Krisstina Gowin, DO is an Assistant Professor of Medicine at the University of Arizona. Dr. Gowin graduated from Chicago College of Osteopathic Medicine in 2009, where she received a merit scholarship and recognition from the American Women’s Medical Association for outstanding academic achievement. She completed internal medicine residency at University of Southern California, hematology and medical oncology training at Mayo Clinic in Arizona, fellowship training in integrative medicine at the University of Arizona. She is board certified in medical oncology, internal medicine and hematology

Dr. Ilene C. Weitz is an Associate Professor of Clinical Medicine at the Keck School of Medicine at the University of Southern California (USC). Her practice sites include, LAC+USC Medical Center, Keck Hospital of USC and USC Norris Cancer Hospital. Dr. Weitz is board certified in Internal Medicine and Hematology. Dr. Weitz earned her medical degree at Medical College of Pennsylvania in Philadelphia, followed by an internship and residency in internal medicine at Cedars-Sinai Medical Center. She conducted a fellowship in hematology/oncology at Scripps Clinic and Research Foundation in La Jolla

Ellen K. Ritchie, MD is assistant professor of medicine and a member of the Leukemia Program at the Weill Cornell Medical College of Cornell University and the New York Presbyterian Hospital in New York City. Dr. Ritchie graduated from Barnard College at Columbia University and received her medical degree from the College of Physicians and Surgeons at Columbia University in New York City. She was elected to the Alpha Omega Alpha Honor Society. She completed her internship and residency in internal medicine at New York Presbyterian Hospital, Columbia campus. Dr. Ritchie completed her fellowship