Hot Chips 2026: Interviewing IBM's Christian Zoellin & Christian Jacobi

Hello you fine Internet folks,Today we're at Hot Chips 2026! We join IBM to talk about their just revealed Dual-ISA z/ architecture + ARM design with Christian Zoellin, the Core Design Team Leader and Christian Jacobi, the CTO of Systems Development!Hope y’all enjoy!The transcript below has been edited for conciseness and readability.George Cozma: Hello, you fine internet folks. We’re here at Stanford during Hot Chips 2026. And the very first Hot Chips presentation this year was from IBM, talking about their next-generation z/Architecture, along with the really, really cool thing that they did there, which we’ll get to in a second. But I have two folks from IBM here. If you’d like to introduce yourselves.Christian Jacobi: Hey, I’m Christian Jacobi. I’m an IBM Fellow and the CTO for Systems Development.Christian Zoellin: My name is Christian Zoellin. I’m a Distinguished Engineer and I was the leader of the core design team for this generation.George Cozma: Awesome. So what is so cool…