Chin Guok is the Chief Technology Officer for ESnet, DOE’s high-performance network user facility. He has been involved in network engineering at ESnet for over 25 years. In 2006, Guok conceived and led the ESnet On-Demand Secure Circuits and Advanced Reservation System (OSCARS) project, which received the R&D100 award in 2013 and the Department of Energy Secretary’s Honor Award in 2014. He led the design for ESnet’s next-generation network, ESnet6, which launched in early October 2022, and is actively involved in the American Science Cloud project, serving as the Partner Integration area lead.