Justine von Winterfeldt is an Emmy-winning music supervisor and the Head of Music Supervision at Format Entertainment.

Justine’s collaboration with acclaimed filmmaker Mike Flanagan spans Midnight Mass, The Haunting of Bly Manor, The Midnight Club, The Fall of the House of Usher, and The Life of Chuck, the latter of which won the People’s Choice Award at Toronto and will be in theaters in summer 2025.

Her work on Marvel series Agatha All Along, Hawkeye and X-Men ’97, compliments a wide range of dramas (The Rookie, The Rookie: Feds, The Recruit), comedies (Pitch Perfect: Bumper in Berlin, Barb and Star Go to Vista Del Mar) and FX docu-series (Social Studies).

Over the last five years, Justine has carved out a name for herself in animation on projects like Invincible, Lost Ollie, Ultraman: Rising, Next Gen, The Willoughbys and the forthcoming animated Studio Mir series, Devil May Cry.

Justine is highly sought after for her impeccable taste, aRable personality, deep industry connections and resources, solution-oriented mentality, and attention to detail, as well as her ability to understand complex ideas and bring nebulous concepts into specific, actionable relief. Aside from music supervision, Justine is fluent in French, is a classically trained pianist and is an active member of the Guild of Music Supervisors and The Recording Academy.