Meet
the Team

Ms. Winkler joined JESPY House as Executive Director in 2016. Under Ms. Winkler’s leadership, JESPY has enhanced its programs and quality of services for its clients, helping to establish an Aging in Place program and home for older clients; expand JESPY’s clinical and behavioral program; increase residential options; and grow a variety of enrichment programs, recreational and social wellness program opportunities.

In early 2019, she was appointed to Governor Murphy’s Developmental Disability Fee for Service Oversight Board to review and advocate for improvements to benefit individuals with Intellectual and Developmental Disabilities. 

Prior to joining JESPY, Ms. Winkler served as principal of OMG! Organizational Management Group, a nonprofit consulting firm. Ms. Winkler was also the director at Seton Hall University’s Nonprofit Sector Resource Institute and its Center for Community Research and Engagement and served as an adjunct professor in Seton Hall’s Department of Political Science and Public Administration.

Prior to starting her own company in 2002, Ms. Winkler was Vice President of Operations and Real Estate for the New Jersey Performing Arts Center and Director of Operations for the Liberty Science Center where she was involved in the start-ups and continued operations. 

Mr. Rottenstreich began his career at JESPY House in August 2004. Over the last 20 years, he has held various position within the organization including house manager, out client case manager, benefits and entitlements coordinator, Jewish programming facilitator and, for the past 8 years, Director of Operations. In his current role as Director of Operations, Mr. Rottenstreich’s oversight over the organization’s finances and facilities has yielded steady financial growth and continued sustainability.

Previous jobs all included working with the IDD population as a camp counselor for 3 summers for the IDD population, Case Manager for Early Intervention in NYC, and a Day Hab Facilitator.

Mr. Rottenstreich lives in Edison NJ with his wife and 3 children.

Amy’s career in nonprofit development spans over 30 years, where she has helped several health and social service organizations raise hundreds of thousands of dollars. She started her nonprofit career at National Multiple Sclerosis Society, NYC Chapter, followed by Saint Barnabas Health Care System Foundation, Newark Beth Israel Medical Center Foundation, American Legacy Foundation (now known as truth), and Fellowship Senior Living, before joining JESPY House in February 2017.

Aisha Muslim has over forty years’ experience in administrative and organizational management. She attended Pace University, NYC and Rutgers University, Newark, NJ, for Organizational Management and Education. She began her career as an assistant administrator and was later promoted to administrator in the Administrative Services Department of AIG, NYC, assisting in the management of 12 service departments and a $17 million budget. She worked in the capacity of Executive Assistant for Madison Equities in NYC and later joined Himmel Equities, NYC as Office Administrator. Aisha worked as a financial admin assistant at Liberty Science Center, responsible for assisting in monitoring the budgets for service areas and outsourced departments.

Having a background in both business and education, Aisha later became the Administrative Principal and Advisor of MAS, a private nonprofit school, grades PreK through 12th, for apx.10 years. Under Aisha’s direction, the school grew from 215 students to 425 students.

She later began an agency, Abbass/Nuh Associates-The Virtual Office People, providing staffing, administrative support, research development, and organizational management services to small businesses. She was a member of OMG! Organizational Management Group as a research and organizational management consultant for approximately 10 years

For the past eight years, Aisha has been the Director of Organizational Management at JESPY House. She is responsible for Human Resources, Program Management and Quality Assurance initiatives. Aisha is instrumental in improving the efficiency and effectiveness of JESPY’s policies and procedures. She works closely with leadership and employees to develop strategies, analyze structures, and lead initiatives.