This document is a resume for Ratankumar Singh summarizing his experience in digital marketing and email campaign management. He has over 5 years of experience leading email marketing teams and executing campaigns for clients in various industries. He is currently a Team Lead at Aptroid Technologies where he is responsible for planning and executing email campaigns, analyzing performance, and reporting results to clients. Prior to this, he worked as a Digital Marketing Specialist at Zeta Interactive where he managed email campaigns for clients such as Sony, HBO, and American Express.