M Acting Mark Keller Mark Keller is an announcer, voice artist, musician, and composer. ↗ Share Known For‹Undercover Boss · 2010Undercover Boss★ 5.72010SeriesRealityComedyReality series that follows high-level executives as they slip anonymously into the rank-and-file of their own organizations. Each week, a different leader will sacrifice the comfort of their corner office for an undercover mission to examine the inner workings of their operation.▶+› FilmographySortPopularNewestTop ratedUndercover Boss · 2010Undercover Boss★ 5.72010SeriesRealityComedyReality series that follows high-level executives as they slip anonymously into the rank-and-file of their own organizations. Each week, a different leader will sacrifice the comfort of their corner office for an undercover mission to examine the inner workings of their operation.▶+Self - Announcer (voice)
