Wiki information Piznarski:

Mark Piznarski
TV Director, Person, Film director

Mark Piznarski is an American film director, television director and television producer. He has directed episodes from a number of television series, including, amongst others, Veronica Mars, The Lying Game, Gossip Girl, 90210, NYPD Blue, Friday...

Stosh "Piz" Piznarski
Film character, Fictional Character, TV Character

Stosh "Piz" Piznarski is a fictional character on the UPN/The CW television series Veronica Mars. He is portrayed by Chris Lowell. The character's name is a tribute to Mark Piznarski, who directed the first two episodes of the series.