Special Guest Chris Mattmann is the author of Machine Learning with TensorFlow, Second Edition. In this interview, Leanpub co-founder Len Epp talks with Chris about his background, working at NASA's Jet Propulsion Laboratory, re-architecting the way NASA missions handled massive changes in the amount of data being gathered from instruments thanks to technological changes in the mid-2000s, about some fascinating NASA and DARPA projects he's worked on, the particular challenges of dealing with telemetry data, Kobe Bryant, and about his book and his experience as an author.This interview was recorded on February 10, 2020.The full audio for the interview is here: https://s3.amazonaws.com/leanpub_podcasts/FM143-Chris-Mattmann-2020-02-10.mp3. You can subscribe to the Frontmatter podcast in iTunes here https://itunes.apple.com/ca/podcast/leanpub-podcast/id517117137 or add the podcast URL directly here: https://itunes.apple.com/ca/podcast/leanpub-podcast/id517117137.This interview has been edited for conciseness and clarity.