​​Costas Andreopoulos leads the the Short-Baseline Neutrino program (SBN) activities. SBN is a phased international experimental program in the Booster neutrino beam at Fermilab in the USA.

He is also physics co-Coordinator for SBND as well as co-Coordinator of the Systematics and Oscillation Sensitivity Working Group for the overall SBN programme and Chair of the SBND Speakers Committee. Previously he led development of the GENIE neutrino interaction physics simulation package.