Ken Diest is a Research Manager and Tech Lead at Meta’s Reality Labs, where he leads programs focused on MEMS and micro-actuator technologies. His focus is on developing these technologies from early stage through production to address critical opto-mechanical and display challenges in AR/MR.

A Materials Scientist by training, Ken’s prior work focused on tunable devices and materials with an emphasis on optical systems. He was the editor and co-author of the book Numerical Methods for Metamaterial Design, and has previously held technology development roles at Apple, MIT Lincoln Laboratories, and Northrop Grumman that focused on new displays and nano-photonics.