Kern began in television as a staff writer on Remington Steele where he worked his way up to supervising producer.
Kern was hired as the showrunner when the presentation pilot became a series, and shared the job of executive producer of Charmed with the show's creator Constance M. Burge for the first two seasons.
[1] In December 2017, Variety reported that Kern had been investigated by CBS twice for sexual harassment and discrimination against women while show runner of NCIS: New Orleans.
[5] In May 2018, Kern departed as NCIS: New Orleans showrunner, though he would remain a consulting producer on the series.
[1] Following a third investigation, Kern was fired from the series in October 2018 and his overall deal with CBS Television Studios was terminated.