Annette von Drygalski, MD, PharmD, RMSK is a Professor of Clinical Medicine in the Division of Hematology/Oncology, and Director of the Hemophilia and Thrombosis Treatment Center, Department of Medicine, at the University of California, San Diego.

Dr. von Drygalski earned her pharmaceutical and medical degrees from the Ludwig Maximilians University, Munich, Germany. She completed residency in Internal Medicine at the Medical College of Wisconsin, Milwaukee, and fellowship in Hematology and Oncology at the University of California, San Diego and The Scripps Research Institute. Dr. von Drygalski is dedicated to the care of patients with hemophilia and other bleeding disorders addressing the evolving needs of aging patients with hemophilia, including new therapies and hemophilic joint disease both at the bench and in clinical studies.

Dr. von Drygalski has pioneered musculoskeletal ultrasound for rapid joint bleed detection and joint evaluation in hemophilia. She is certified in musculoskeletal ultrasound by the American Registry for Diagnostic Medical Sonography, and has developed the Joint Activity and Damage Exam (JADE), a validated ultrasound protocol to quantify synovial and osteochondral changes as well as inflammation in the hemophilic joint. She is also the Director of the CME accredited course “Musculoskeletal Ultrasound in Hemophilia” at the University of California San Diego. Dr. von Drygalski has also developed a focus in post-partum hemorrhage and anemia, raising awareness to establish multi-disciplinary collaborations to mitigate mortality. 28 2026 Annual Conference of the Western States Regional Hemophilia Network.