He then continued his education at Purdue University, where, after spending five years under the supervision from Nicholas A. Peppas, he received his Ph.D. in chemical engineering.
[1] From 1993 to 1994 Jabbari was a postdoctoral research fellow at Monsanto Biotechnical Group and then became an adjunct professor of chemical engineering at the Washington University.
Until September 2001, Esmaiel Jabbari worked as an associate professor at Tehran Polytechnic (now Amirkabir University of Technology).
From September 2001 to July 2002 he was a visiting scholar at Rice University and following it, served as senior research associate at the Mayo Clinic.
During those times, he also was a visiting professor at Tohoku University in Tōhoku Region, Japan, and at Brigham and Women's Hospital.