Stefanie Rock Obituary, WATER MILL, N.Y. — Stefanie Rock, a 29-year-old associate broker with JLL (Jones Lang LaSalle), has died following a vehicle collision while jogging in Water Mill, New York. Her passing has left family, friends, colleagues, clients, and members of New York’s commercial real estate community mourning the loss of a promising young professional.
According to the Southampton Town Police Department, the accident occurred Friday morning on Deerfield Road, north of Head of Pond Road, in Water Mill. Police said Rock was jogging northbound on Deerfield Road when she was struck by a southbound Toyota.
Emergency responders arrived at the scene, but Rock was pronounced dead following the collision. Authorities said the driver remained at the scene, cooperated with investigators, and was transported to Southampton Hospital for evaluation before being released.
The Southampton Town Police Department continues to investigate the circumstances surrounding the crash. Officials have not released additional details regarding the incident.
Beyond the tragedy of her passing, Rock is being remembered for her dedication, professionalism, and positive influence throughout her career and personal life. She worked as an associate broker at JLL, where she focused on office leasing and built a reputation for her commitment to clients and colleagues.
Rock joined JLL Capital Markets in April 2024, according to information from her LinkedIn profile. During her time in the commercial real estate industry, she contributed to notable projects, including assisting with a transaction involving fintech company GlossGenius at 838 Broadway, according to a JLL announcement.
Before joining JLL, Rock worked at Axiom, a legal services provider, for three years and later spent 18 months with consulting company RGP. She graduated from Vanderbilt University in 2019 with a Bachelor of Science degree in Human and Organizational Development.
Colleagues and friends remembered Rock as a driven, compassionate, and encouraging person who made a lasting impression on those around her. Her professional ambition, kindness, and ability to build meaningful relationships were among the qualities that defined her life and career.
Rock’s death has deeply affected the New York real estate community, where coworkers, clients, and industry professionals have expressed condolences and reflected on the impact she made during her career. She will be remembered as a talented broker, a valued colleague, and a person whose warmth and dedication touched many lives.
As the investigation into the fatal collision continues, Stefanie Rock’s family, friends, and loved ones continue to mourn her passing while honoring the life she lived and the legacy she leaves behind. Her memory will remain with all those who knew and appreciated her.
