AccessBell, a VC-backed silicon valley startup founded by Stanford MBAs, sold its video conferencing software solution to Tata Medical & Diagnostics for an undisclosed amount. AccessBell was founded in March 2020 at the start of the COVID-19 pandemic. Founders Martin Aguinis, Josh Payne, and Kamil Ali saw the need for integrated video solutions for applications like telehealth and worked quickly to…