Kayen is a JD candidate at Osgoode Hall Law School. During his studies, he provided estate planning services to low-income seniors through Pro Bono Students Canada for the Wills Project. Kayen also acted as a liaison for the Osgoode Hall Film Society and helped facilitate an intramural soccer team with his classmates.

Prior to law school, Kayen completed an Honours Bachelor of Arts degree in Philosophy at the University of Toronto, graduating with high distinction. Throughout his undergraduate experience, Kayen developed a passion for moral theories, epistemology, and metaphysics, with a particular interest in ancient Chinese philosophy.

Outside of work, Kayen enjoys playing soccer and video games, weightlifting, watching movies, and bouldering.