Dean Regas is a renowned public speaker, author, educator, national popularizer of astronomy and an expert in observational astronomy.

He served as the astronomer for the Cincinnati Observatory from 2000-2023 and was the Astronomer in Residence at the Grand Canyon in 2021. He is the author of six books including "100 Things to See in the Night Sky" and “How to Teach Grown-Ups About Pluto”. From 2010-2019 Dean was the co-host of the PBS program Star Gazers.

Dean has contributed to Astronomy Magazine, Sky and Telescope Magazine, Farmer's Almanac, USAToday, Science Friday and Here & Now. He is also the host of a popular astronomy podcast called "Looking Up with Dean Regas"

Dean brings the complicated field of astronomy down to Earth for people of all ages.