A speaker on stage at the 100/50 Gala

CBS4A

Events

CBS4A convenes its community throughout the year — from alumni receptions to professional programming and student events.

Calendar

Upcoming Events

Register through Luma. Your RSVP keeps your alumni record current.

Thursday, November 5, 2026 · 6:30 PM EST

Reclaiming Joy: An Evening with Dr. Judith Joseph

Columbia Business School, David Geffen Hall

RSVP on Luma →

Recently

Past Events

July 11, 2026

4A Summer Picnic

Brooklyn Bridge Park, New York

An afternoon in the park for alumni, families and friends of the 4A community.

Scenes from the 4A Summer Picnic
See the full event →

Gallery

From the Community

Alumni gathered at the 100/50 Anniversary Gala
Alumni on the red carpet at the 100/50 Anniversary Gala
Speaker at the podium during the 100/50 Anniversary Gala
Honorees at a CBS4A recognition event
Attendees at the BBSA Elevate Conference
Speaker addressing alumni at a 4A program
Alumni speaker at a 4A community program
Speaker at the podium during a 4A program