This MIAPbP program has been designed to create a stimulating environment that fosters interdisciplinary discussions spanning theoretical, observational, and modelling aspects of massive star formation, evolution, and stellar atmospheres/winds. The program is structured into four broad Topical Blocks (TB) over four weeks. Our goal is to encourage cross-domain collaborations between experts from diverse disciplines, including spectroscopy and photometry, stellar atmosphere and evolution modelling, asteroseismology, and star formation studies, helping to advance the overarching challenge of integrating our understanding of massive star formation, evolution, and their end products into a coherent picture valid across cosmic time.