Sam Smith is a bestselling writer, comedian, and former-dentist. He pivoted from dentistry to comedy after a MS diagnosis caused him to partially lose his vision. He is a head writer for the TV show 7 Days , creates the tasks for Taskmaster NZ , and wrote for Wellington Paranormal . He is the go-to audience warm-up act for many shows including Dancing With the Stars , The Project , Have You Been Paying Attention? and Patriot Brains .