Ryan Holiday is an American marketer, author, businessman and podcaster, notable for marketing Stoic philosophy in the form of books.

David Drew Pinsky, commonly known as Dr. Drew, is an American media personality, internist, and addiction medicine specialist. He hosted the nationally syndicated radio talk show Loveline from the show's inception in 1984 until its end in 2016. On television, he hosted the talk show Dr. Drew On Call on HLN and the daytime series Lifechangers on The CW. In addition, he served as producer and starred in the VH1 show Celebrity Rehab with Dr. Drew, and its spinoffs Sex Rehab with Dr. Drew, Celebrity Rehab Presents Sober House. Pinsky currently hosts several podcasts, including Ask Dr. Drew, The Dr. Drew Podcast on the PodcastOne Network, and The Adam and Drew Show with his former Loveline co-host Adam Carolla. From February 2019 - December 2023, he hosted Dr. Drew After Dark on the Your Mom's House network.