[1] Mark graduated from the University of Virginia in 1984, which he attended on an athletic scholarship, playing attack on the lacrosse team.

He worked at MTV from 1984–1990, winning awards as a promo producer and creating the landmark TV documentary series Buzz (1990).

He became a freelance director in 1990, directing music videos for U2, Crystal Waters, De la Soul and Pearl Jam.

Pellington has also worked with such musical artists as Alice In Chains, Demi Lovato, Imagine Dragons, Foo Fighters, Nine Inch Nails, Cage the Elephant, Linkin Park, Echosmith, The Fray, Dave Matthews, Michael Jackson, Public Enemy, Moby, Flaming Lips, Damian Marley, Chelsea Wolfe and Bruce Springsteen.

He directed the landmark mini-series The United States of Poetry for PBS in 1995, which won the INPUT (International Public Television) Award, and created the look of pilots for hit network TV shows including Blindspot, Red Widow and Cold Case, as well as numerous commercials and personal documentaries, art projects and personal short films.