Santhosh Sunderrajan is a seasoned software engineer with extensive experience across various organizations. Currently at Meta since September 2020, Santhosh works in Ads Serving Infra focused on Capacity Productivity and previously contributed to the Family of Apps Foundation's Calling Foundation. Prior to Meta, Santhosh served as a Senior Member of Technical Staff at Pinger, specializing in VOIP platform servers and clients, and held a software engineering role at Kaseya, enhancing network performance for peer-to-peer clients. Early career experience includes web development at UC Santa Barbara and programming at Cognizant, developing web-based tools and optimizing database performance. Academically, Santhosh holds a Ph.D. in Computer Vision and Machine Learning and a Master's in Electrical and Computer Engineering from UC Santa Barbara, along with a Bachelor's degree in Electronics and Communication Engineering from Anna University Chennai.