Question: Who is a television director, Mark Rosman or Aaron Kozak?
Context: Aaron Kozak (born August 23, 1983) is an American playwright and filmmaker. Life-Size is a 2000 American fantasy-comedy television film directed by Mark Rosman and starring Lindsay Lohan and Tyra Banks.  It originally premiered on ABC, and was released on DVD and VHS in the same year.  The film follows a young girl whose Eve Doll (somewhat like Barbie) is transformed into a perfect living woman. William & Kate: The Movie is the first of two unrelated American television films about the relationship between Prince William and Catherine "Kate" Middleton (now The Duke and Duchess of Cambridge), directed by Mark Rosman and written by Nancey Silvers.  The film was a ratings success, despite the negative reception from critics.  The second film "" was produced by the Hallmark Channel and released in August 2011. The Perfect Man is a 2005 romantic comedy film directed by Mark Rosman and written by Gina Wendkos.  It stars Hilary Duff, Heather Locklear and Chris Noth.  Filming of the movie began in May 2004.  The film received mostly negative reviews from critics although the film was a box office success. Mark Rosman (born 1959) is an American film director, film producer, television director and screenwriter. Model Behavior is a 2000 television film that aired on ABC's "The Wonderful World of Disney" anthology series.  The film starred Maggie Lawson and was directed by Mark Rosman.  The film also stars Justin Timberlake and co-stars Kathie Lee Gifford.  It is based on the book by Michael Levin "Janine and Alex, Alex and Janine". The Invader is a 1997 film directed by Mark Rosman. Sorority Row is a 2009 American slasher film directed by Stewart Hendler and starring Briana Evigan, Leah Pipes, Rumer Willis, and Carrie Fisher.  Based on the script for the 1983 horror film "The House on Sorority Row" by Mark Rosman and Bobby Fine, the film is a re-imagining that focuses on a group of sorority sisters who are stalked and murdered on the night of their graduation after covering up the accidental death of a fellow sorority sister. A Cinderella Story is a 2004 American romantic comedy film directed by Mark Rosman, written by Leigh Dunlap and stars Hilary Duff, Chad Michael Murray, Jennifer Coolidge and Regina King.  A modernization of the classic Cinderella folklore, the film's plot revolves around two Internet pen pals who plan to meet in person at their high school's Halloween dance. The Blue Yonder is a 1985 American science-fiction adventure film.  It was directed by Mark Rosman, written by Mark Rosman, produced by Alan Shapiro and Annette Handley, and starred Peter Coyote, Huckleberry Fox, Art Carney, Dennis Lipscomb and Joe Flood.  The film tells the story of Jonathan Knicks (Fox), an 11-year-old who travels back in time from 1985 to 1927 by a time machine built by his neighbor Henry Coogan (Carney) from the theoretical blue prints of Johnathan's own grandfather.  There Jonathan meets his less than illustrious grandfather, Max (Coyote), and desperately must find a way to prevent Max's fatal attempt at a solo trans-Atlantic flight and henceforth invariably change the course of history in the process.
Answer: Mark Rosman