The Nassau County Association of District Curriculum Officials (NADCO) is a professional organization dedicated to supporting curriculum and instructional leadership across Nassau County’s public school districts.

NADCO provides opportunities for educational leaders to connect, collaborate and learn from colleagues throughout the county. Through general meetings, sector meetings, professional learning and regional events, members share effective practices, examine emerging issues and strengthen educational opportunities for students.

NADCO is a registered non for profit (EIN 30-0642165). Correspondence can be sent to:

Diane Provvido
President, NADCO
Oceanside School District
145 Merle Avenue
Oceanside, NY 11572

Our Purpose

NADCO serves as a countywide network for curriculum and instructional leaders. The organization promotes professional collaboration, provides opportunities for shared learning and gives members a forum to discuss the issues shaping teaching and learning in our schools.

Current Leadership

Past Presidents

• K. Elizabeth Guercin
• Dr. Stephen C. Lando
• Dr. Christopher Pellittieri
• Dr. Wafa Deeb-Westervelt
• Barbara Bauer
• Robert Fenter
• Dr. Laura Seinfield
• Valerie D’Aguanno
• David Flatley
• Helen Cheliotes
• Dr. Lydia Begley
• Patricia Sullivan-Kriss
• Dr. Anna F. Hunderfund
• Joanne Morgan
• Elizabeth Lison
• Eric Berger
• Dr. Marcia K. Knoll
• Ronald Barnes
• Daphne Schuster
• Dr. Mary Ellen Freeley
• Kathy Weiss
• Myrna Uhlich
• Robert Root