Jaclyn Rittershaus Obituary: Syracuse MD/PhD Student Dies in Fatal Motorcycle Crash in DeWitt
The academic and medical community is mourning the tragic loss of Jaclyn Marie Rittershaus-Powell, a neuroscience MD/PhD student at Upstate Medical University, who died suddenly on June 29, 2026, following a fatal motorcycle crash in DeWitt, New York. Her passing has left family, friends, classmates, and faculty devastated as they reflect on a life defined by ambition, compassion, and academic promise.
According to the DeWitt Police Department, officers responded at approximately 9:45 p.m. to the interchange of Interstate 481 northbound and Interstate 690 after reports of a serious motorcycle collision. Investigators say Rittershaus-Powell was traveling northbound on I-481 when she lost control of her motorcycle and was thrown from the vehicle. She was subsequently struck by an oncoming car.
Authorities confirmed that the driver of the second vehicle remained at the scene and is cooperating fully with investigators. Emergency responders closed portions of Interstate 481 and I-690 for several hours while crash reconstruction teams processed evidence. The roadways were reopened early Tuesday morning after cleanup and documentation were completed.
Officials have not yet determined what caused her to lose control of the motorcycle, and the investigation remains ongoing as authorities review roadway conditions, vehicle factors, and witness accounts.
Originally from Long Island, Jaclyn was remembered as a gifted and driven student pursuing an advanced MD/PhD in neuroscience, preparing for a future dedicated to medical research and patient care. Those who knew her describe her as intelligent, determined, and deeply committed to advancing science and helping others.
News of her death has prompted an outpouring of grief across the university and broader academic community, where classmates and faculty have shared tributes honoring her dedication and potential. Many have expressed heartbreak at the loss of a young researcher whose future contributions were widely anticipated.
Family and friends are preparing funeral arrangements, including visitation and services scheduled for July 7–8, 2026, in Centerport, New York, followed by interment in Westbury.
Jaclyn Marie Rittershaus-Powell will be remembered for her brilliance, her compassion, and the promise of a life devoted to healing and discovery.

