Sergei V. Chekanov is an ANL scientist working in the field of high-energy particle physics (HEP). His current experiment is ATLAS at the Large Hadron Collider (LHC) at CERN. In the past he was a member of the ZEUS experiment at DESY/HERA (1998–2009) and the L3 experiment at LEP/CERN (1995-1998). He contributed to experiments with >1400 publications, and wrote 15 papers for large-scale international experiments. He is a primary author of more than 200 published articles and 3 books.