New York State Senate Majority Leader Andrea Stewart-Cousins honored Ardsley resident Stephanie Marquesano at the 2026 New York State Senate Women of Distinction Ceremony in Albany. Ms. Marquesano was selected for her leadership and advocacy in addressing the intersection of mental health challenges and substance misuse, known as co-occurring disorders.
“Stephanie Marquesano embodies resilience, purpose, and leadership,” said Senate Majority Leader Andrea Stewart-Cousins. “After the death of her son, Harris, she built a nationally recognized organization that is changing how we understand and treat co-occurring disorders. Her work is saving lives, supporting families, and giving communities the tools they need to respond with compassion and evidence-based care. I am proud to honor her as a 2026 Woman of Distinction.”
Following the death of her 19-year-old son in 2013, Ms. Marquesano founded the harris project, the only nonprofit in the nation dedicated to building a system of care for those with, or at risk of, co-occurring disorders. Through her leadership, the organization has advanced integrated treatment models and launched CODA (Co-Occurring Disorders Awareness), a peer-led prevention initiative supporting youth and families…