Daniel works out of Chicago, IL and previously was an attorney at Todd Welty, P.C. until that firm combined forces with Kostelanetz in June 2024. Prior to joining Todd Welty, P.C., Dan was an associate in the Chicago office of Baker McKenzie, where he defended corporations from IRS examinations, through Appeals, and into Tax Court.

Dan received his B.S. in Economics and his B.A. in Political Science from The Ohio State University, his J.D. from Loyola University Chicago School of Law, and his LL.M. in Taxation from Northwestern University Pritzker School of Law.