Mark Nelson studied acting with Uta Hagen. He has appeared in New York in MY NAME IS ASHER LEV (Westside Theatre); TIMON OF ATHENS (The Public Theater); THE WINTER’S TALE (directed by Sam Mendes at BAM); THE INVENTION OF LOVE (Lincoln Center Theater); AFTER THE FALL and THREE SISTERS (Roundabout Theatre); and as Einstein in Steve Martin’s PICASSO AT THE LAPIN AGILE (Obie Award). Regional theater work includes Shylock in THE MERCHANT OF VENICE (The Shakespeare Theatre, D.C.); Bluntschli in ARMS AND THE MAN (Long Wharf Theatre); Matt in TALLEY’S FOLLY (Berkshire Theatre Festival); the title role in UNCLE VANYA (Intiman Theatre); and all thirty-six roles in I AM MY OWN WIFE (Cleveland Playhouse). He played recurring roles on LAW & ORDER and SPIN CITY. He has directed plays off-Broadway and at many regional theaters, and is a frequent guest director at the Juilliard School. He teaches theater at Princeton. Mark received a 2013 Lunt-Fontanne Fellowship.