View Post NBC Lester Holt and His Producer Kim Cornett on Why Their 21-Year Partnership Has Been So Successful By A.J. Katz on Jun. 30, 2021 - 3:31 PM Cornett has served as Holt's producer since 2000. "I have complete trust and faith in her that she will make sure that I get on the air and look as good as possible while doing so."