Hank joined Google in 2020, where he is a Distinguished Engineer and co-leader (with David Culler) of SystemsResearch@Google. He is also Professor and Wissner-Slivka Chair in the Paul G. Allen School of Computer Science & Engineering at University of Washington (on leave). Hank led UW Computer Systems Engineering (CSE) for 14 years through a period of major growth, first as Department Chair and then as Founding Director of the Allen School.

Hank's research concerns operating systems, distributed systems, security, computer architecture, and hardware multithreading (SMT). The author of two books and more than 100 papers on computer systems design, his publications have earned nearly 20 best-paper awards and "test of time/influential paper" awards in systems and architecture. He is very proud of the 27 Ph.D. students he was fortunate to be able to learn from and advise.

Hank is a Member of the National Academy of Engineering, a Fellow of the ACM, a Fellow of the IEEE, and recipient of a Fulbright Research Scholar Award. He is former chair of ACM SIGOPS and program chair of the SOSP, OSDI, ASPLOS, and HOTOS conferences. He launched his early career at Digital Equipment Corporation (DEC), an early computer manufacturer, where he worked on commercial operating systems, system architecture, and early clustered computing. He was also co-founder of several startups with UW colleagues.