Kaustav Mitra is a PhD student in the Department of Astronomy at Yale University (USA). He did his Bachelors and Masters in Physics from Presidency University in Kolkata, India, where he specialised in astrophysics. Kaustav's PhD research is focussed on galaxy formation, dark matter and formation of structure in the universe. He has keen enthusiasm in science popularization, STEM education for marginalized communities and in efforts to increase diversity, equity and inclusion in the field of physics and astrophysics. His hobbies include long walks amidst nature, painting and world cinema.