CoreStack delivers continuous & autonomous cloud governance for enterprises Founded by Ezhilarasan Natarajan, Krishnakumar Narayanan, Rathinasabapathy Arumugam, Thiruvalluvar NB, and Venkatesh Perumal in 2016, CoreStack is backed by investors that include Naya Ventures and Z5 Capital and is headquartered in Bellevue.