Andrei Rykhlevskii is Postdoctoral Appointee in Research & Test Reactors Department at the Argonne National Laboratory. He received his PhD and MS in Nuclear Engineering from the University of Illinois at Urbana-Champaign and BS from Bauman Moscow Technical University (Russia). He was previously a nuclear reactor analyst in ROSATOM (Russia). In nuclear fuel cycle research, he worked on neutronics performance and fuel depletion analysis of various Molten Salt Reactors. His main research interests are nuclear fuel cycle optimization and advanced nuclear reactor modeling.