Kal Patel, Flex Dr. Kal Patel serves as senior vice president of digital health for Flex, the Sketch-to-Scale⢠solutions provider that designs and builds intelligent products for a connected world. Dr. Patel joined Flex from Doctor on Demand, a leading video telemedicine provider, where he served as Chief Commercial Officer, responsible for all business and commercial functions, including marketing, business development, partnerships, implementations, operations and account management.