Marcela Stern is Senior Staff Associate at Columbia Astrophysics Laboratory, working in the XENON group since 2011. She received her Electrical Engineering degree in 1982, at the University of Technical Sciences in Prague, Czech Republic. In the XENON group, she participates in the laboratory activities, assisting in the design, construction and testing of the R&D setups. She monitors project budgets and expenditures and plans procurements.