Our Team


Nelson Fraiman

Academic Director, ECLA Program
Professor of Professional Practice, Decision Risk and Operations Division
Director of the W. Edwards Deming Center for Quality, Productivity and Competitiveness

Professor Fraiman joined Columbia Business School in 1995. He teaches the core Operations Management and Strategy course. He is also the faculty director of the ECLA program. Prior to Columbia Business School he spent seventeen years in industry and consulting. His last job was with International Paper, where he was Chief Technology Officer for eight manufacturing divisions. His current research centers on entrepreneurship and process improvement. He has written cases on operational excellence on the Ritz Carlton Hotel and the supply chain strategies of Zara and Mango. In ECLA, besides being the creator of the program, he taught Operations Strategy and Service Operations and advised one group for its process improvement project and its business growth plan.

Angela Quintero
Director, ECLA Program

Angela Quintero is the Director of the W. Edwards Deming Center for Quality, Productivity, and Competitiveness at Columbia Business School. She is also the Director for ECLA. Prior to joining Columbia Business School, Angela worked in management consulting and market intelligence for more than 10 years in Asia, Europe and the US.

Angela holds a B.S. in Mathematics from Universidad de Los Andes in Colombia, a M.S. in Social Sciences from The University of Chicago and a M.S. in Management Science Engineering from Stanford.

Zina Sockwell
Associate Director, ECLA Program

Zina Sockwell is an Associate Director at the Jerome A. Chazen Institute for Global Business at Columbia Business School, which is a sponsor of the ECLA Program. Prior to joining Columbia Business School, Zina worked in fintech in San Francisco, California, focusing on product development, design thinking, and customer experience.

Zina holds a B.A. in Sociology from Columbia University.