Ethan Walko ’21 Mechanical Engineering

Ethan Walko is the co-founder and CTO of rStream, a robotics company focused on the upstream challenges of waste and materials recovery. With a lifelong passion for building, his projects have spanned from automotive transplants to plastics manufacturing devices. Walko holds a B.S. and M.S. in mechanical engineering from the University of Massachusetts Amherst. Before starting rStream, he worked in materials and polymer engineering research labs at UMass and for a metrology company as a field engineer.