Akshay Kapoor has been promoted to principal at Flint, Mich.-based Lewis & Knopf effective Jan. 1. Kapoor joined Lewis & Knopf in 2004. As a principal, he provides audit, accounting, and tax preparation services to the firm’s clients. Kapoor works with a diverse client base including closely held corporations, not for profits, and local government. He specializes in serving auto dealerships, school districts, and the healthcare industry.