Brief descriptions of some previous meetings (2016 and earlier) Windsor 2017: Dynamics of Complex Quantum Systems Plasma Chemistry Workshop 2017: From Chemistry Data to Plasma Design Attosecond and Free Electron Laser Science 2018 (AttoFEL 2018) Training Course on Advanced MPI Electron Scattering Cross Sections for Plasma Physics and Chemistry with Quantemol-N UK Positron Workshop 2018 Advances in Hydrogen Molecular Ions: H3+, H5+ and beyond Windsor 2019: Dynamics of Complex Quantum Systems R-Matrix software for atomic molecular and optical physics (R-MADAM 2019) Extended software development workshop in quantum dynamics Quantum Battles in Attoscience Atomic and Molecular Data Needs for Plasma Applications Workshop CoSeC Annual Conference Quantemol New Releases Winter Workshop