Greg is the digital design lead at lowRISC, where he develops Ibex and works on the OpenTitan Project (an open silicon root of trust). His work at lowRISC includes SoC architecture, CPU design, security hardening and verification. He has over 10 years experience in the silicon industry, having worked on the design of memory systems for A class CPUs at Arm and GPU design at Broadcom. He completed his Ph.D at the Cambridge Computer Laboratory (UK) in 2011 on communication in multi-core systems.