is a professional Actor, Director, Writer, and Recording Artist based in New York City. John is a member of professional songwriting team Ertman & Mathusek. Together with collaborator, Joseph Mathusek, John has written two full-length musicals: Alone: A New Musical (Co-Music & Lyrics, Book - American Music Theatre Project, 54 Below, Concept Album), and Mews: The Musical! (Co-Music & Lyrics - Commission, The Tank and Institute for American Musical Theatre). John began his writing career in commercial music, penning pop songs starting at the age of 9. He is in the middle of releasing his first EP, Idle Growth and has recorded 10 additional songs. In addition, John traveled to London to record an EP at the acclaimed Abbey Road Studios. John Ertman: The Abbey Road Live Session will be out later this year. John has also recently entered into a collaborative agreement for TikTok performer and influencer Anne Bulgiari to write new music for her first EP.
As an actor, John's most recent performances include: John Ertman & Friends (54 Below), Mother Knows Best (Green Room 42), Alone: In Concert (54 Below), an original role in Fifty-Seven (APAP 2023), and Newman the Human in Itchin’ For An Itch: The Mosqutical (NYMTF).
John is an award-winning director of immersive and musical theater whose recent work includes: Claws (Winner of 2022 LonelyWolf Film Festival Best New Media Award, 2021 IndieCade Performance Award, and 2021 FIVARS Film Festival Audience Choice for Best Interactive Experience), Next Time (Official Selection of 2021 FIVARS Film Festival), and Each and Every (Official Selection of 2021 Denver Film Festival). He is currently in the release period for his first EP, Idle Growth, with a second record in production.
By night, John works as the Assistant Studio Manager of Sellwood Studio in Madison, NJ. This extracerricular performing arts school run by Broadway and West End actor, Thomas Sellwood, boasts top-tier instruction from working professionals on Broadway and in New York's prestigious opera scene. Sellwood is also a chief incubator of Ertman & Mathusek's early development works.
John graduated from Northwestern University with a BA in Theatre & Legal Studies, a Certificate in Music Theatre, and a Module in Creating the Musical. John is a proud Member of Actors' Equity Association.