Columbia Business School
Who We Are
An independent nonprofit organization dedicated to advancing the professional success, leadership impact, and collective influence of Columbia Business School alumni of African descent.
CBS4A Community
Connected across six decades of Columbia Business School.
Our Purpose
Connecting Six Decades of Black Business Leadership
The CBS4A network spans every career stage — from current students entering their first roles to senior executives, board chairs, and retired partners. The range means the community already has the relationships, capital, and influence to move the needle on anything it chooses to prioritize.
Read Our MissionProfessional Success
Connecting talent with opportunity across industries and geographies.
Leadership Impact
Elevating Black executives into board rooms and decision-making roles.
Collective Influence
Harnessing the network to create lasting systemic change.
Community
Building lasting relationships across 62 graduating classes.
4A in Focus
Alumni Spotlight
Executive & Strategic Advisor
Erin Goldson '16
Erin's journey from Columbia Business School to C-suite advisory reflects the transformative power of the CBS4A network.
Senior Finance Executive
Lauren Pattani '97
Three decades after graduating, Lauren continues to mentor the next generation of Black business leaders through CBS4A.
Entrepreneur & Investor
Gairy Hall '16
Gairy's work at the intersection of entrepreneurship and investment capital embodies CBS4A's founder-investor mission.
Get Involved
Whether you are a current student, recent graduate, or senior leader — CBS4A is your network.