I am a Marie Składowska-Curie fellow at  IMJ-PRG and the CNRS. I am an assistant professor (on leave) at IMI-BAS. I hold a 5 year PROMYS grant from the Swiss National Science Foundation. From 2017 to 2021 I was a Dickson Instructor at the University of Chicago Department of Mathematics . I obtained my Ph.D. degree at NEU in May, 2017 under the supervision of Terence Gaffney and Steven Kleiman. I received my bachelors degree from MIT under the supervision of Steven Kleiman. I graduated from Sofia High School of Mathematics. 

I am an organizer for the ``Singularities in Plovdiv" conference (June 8-13, 2025, Plovdiv, Bulgaria). 

My collaborators are: Andrei Bengus-Lasnier, Terence Gaffney, Pablo Portilla and Bernard Teissier.

Email: rangachev at imj dash prg dot fr