The Department of Astronomy is thrilled to welcome Kishalay De as an Assistant Professor. Prof De studies the transient sky in the optical and infrared wavelengths to seek cataclysms across space, such as stars collapsing into black holes and planets being swallowed by their evolving stars. Prof De helped build the first wide-field infrared time domain survey (Gattini-IR) at Palomar, which helped him discover a population of dust obscured eruptions (novae, X-rays binaries, young stars). Prof De joins us from MIT where he was a NASA Einstein fellow and in his new role he holds a joint appointment between Columbia and the Simons Foundation, Center for Computational Astrophysics. Be sure to reach out and welcome him into the Department.