Famous for his San Francisco morning radio program The Gary Radnich Show, Radnich is also known for his sports journalism work on the web-based KRON television channel.
After briefly attending Brigham Young University on an athletic scholarship, he completed his undergraduate studies at the University of Nevada, Las Vegas.
During the early 1980s, he briefly left San Francisco to oversee sports programs on a Columbus, Ohio television station.
A native of San Jose, California, he later settled in San Francisco with his television producer wife, Alicia Radnich. Through that marriage and an earlier one, he has a total of six children: Stephanie, Kelly, Douglas, Spencer, Jolie, and Isabella.
He and Jon Miller both became famous as California-based sportscasters.