M. Vali Siadat is an Iranian-American mathematician, the Distinguished Professor of Mathematics at Richard J. Daley College.

[1][2] Siadat completed his Ph.D. thesis in harmonic analysis at the University of Illinois at Chicago in 1990 under the supervision of professor Yoram Sagher.

He is the co-developer (along with Y. Sagher) of the award-winning Keystone model of teaching and learning in mathematics.

He was for eight years the Director/Co-Principal Investigator of nearly $800,000 grant from NASA to train pre-college students in Chicago for careers in engineering and sciences.

Siadat has won numerous local, state, and national awards during the many years of his long teaching career.