Jan Rosen is Chief Innovation and Transformation Officer at Taller, where he designs and deploys agentic AI architectures that change how organizations think, decide, and deliver. Before joining Taller, he led major engineering efforts at Venmo and PayPal, building the invisible machinery behind everyday payments and in-store experiences, and driving major platform modernization. A systems engineer by training and temperament, he moves easily from code to culture, helping enterprise leaders translate advanced strategy into running software. Rosen holds an M.Sc. in Computer Science from Chalmers University of Technology.
