2x Founder. Community Organizer. Educator

The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.

Cartoonist, science fan, PhD, eukaryote. Doesn't eat cats, dogs, nor other animals. 1,000x Bottom Writer. davidbclear.com

Staff Software Engineer in San Francisco. AI platforms and full-stack systems. ex-Udemy #3, ex-Abridge.

Associate Professor, Department of Mathematical Sciences, Carnegie Mellon University

2 MSc in Engineering. Stanford MBA. Ex-Consultant. Creator of applications with >20M users. Currently leading a billion-dollar business @ Course Hero

Syndicated stories from The Atlantic

2:19 Marathoner. Writer about running.