<p>➀ Jim Keller discusses his early work at DEC and AMD, focusing on the K8 architecture and his contributions to x86-64 and HyperTransport.</p><p>➁ Keller's experience at startup SiByte, including the development of network processors and his involvement with Andy Bechtolsheim and Cisco.</p><p>➂ His transition to Broadcom and the challenges of working in a larger company like Intel, where he learned about methodology and abstraction layers in computer design.</p><p>➃ Keller's time at P.A. Semi and his role in designing PowerPC processors, leading to the acquisition by Apple.</p><p>➄ His journey at Apple, from the first iPhone chip to the A-series processors, and the focus on performance and power efficiency.</p><p>➅ His return to AMD and the development of the Zen architecture, addressing the company's challenges and working with Global Foundries and TSMC.</p><p>➆ His move to Tesla and the development of the Hardware 3 chip for autonomous driving, followed by his transition to Intel and the challenges of managing a large engineering team.</p><p>➇ His current role at Tenstorrent AI, focusing on AI processors and software, and the company's mission to build a general-purpose computing platform.</p>