Marietta Ren

Biography

Subject: Marietta Ren (Visual Effects).
Goal: Write a 90-130 word factual identity profile.
Constraints: Use only provided sources. No invented details. No markdown, no headings, no bullet points, no preamble, no JSON, no quotes. Plain text only.
Tone: Neutral, encyclopedic, professional archivist.
Source [1]: Marietta Ren is female, born in France. Known for Visual Effects. Has 9 known credits.
Source [2]: Director of Phallaina. Known for Phallaina (2016), Arcane (2021), and Lazarus (2025).
Source [3]: Known as Director, Key Animation, Character Designer, Actor, Animation, and Storyboard Artist. Work includes Attack on Titan, Lazarus, Children of Liberty, and Maryam & Varto.
Source [4]: Mentions TV Guide has a biography/awards/facts (no specific facts provided in the snippet).
Name: Marietta Ren.
Gender: Female.
Place of Birth: France.
Roles: Visual Effects, Director, Key Animation, Character Designer, Actor, Animation, and Storyboard Artist.
Known Credits/Works: Phallaina (2016), Arcane (2021), Lazarus (2025), Attack on Titan, Children of Liberty, and Maryam & Varto.
Total Credits: 9.

Marietta Ren is a female professional from France known for her work in visual effects. Her various roles include director, key animation, character designer, actor, animation, and storyboard artist. She has nine known credits. Her directorial work includes Phallaina, which was released in 2016. Ren is also recognized for her contributions to Arcane (2021) and Lazarus (2025). Other projects associated with her work include Attack on Titan, Children of Liberty, and Maryam & Varto.
"Marietta Ren is a female professional from France known for her work in visual effects. Her various roles include director, key animation, character designer, actor, animation, and storyboard artist. She has nine known credits. Her