Roberto is a postdoctoral fellow in theoretical chemistry at the UiT - The Arctic University of Norway in Tromsø, Norway and Virginia Tech, USA. He is currently working on stochastic methods and solvation models. He is a developer of the PCMSolver library and the Psi4 open source quantum chemistry program. He contributes or has contributed to the development of popular quantum chemistry codes and libraries: DIRAC, MRCPP, DALTON, LSDALTON, XCFun, and ReSpect. He usually programs in C++ and Fortran.