Robbie Arnett: Bio, Age, Career, And Marriage To Elizabeth Olsen

While many recognize Robbie Arnett primarily as the husband of Marvel star Elizabeth Olsen, he has built a distinct career far away from blockbuster red carpets. As a founding member of the indie-pop band Milo Greene, Arnett spends his time composing atmospheric cinematic tracks, writing children's literature, and maintaining a surprisingly private personal life.

Early Life and Background

Born on March 3, 1992, Arnett grew up with a strong passion for film and instrumentation. He attended the University of California, Irvine, where he immersed himself in creative arts and met the future collaborators who would shape his professional life. Unlike many musicians who chased solo pop stardom from childhood, Arnett approached the industry with a cinematic mindset, treating songs as visual soundscapes meant for motion pictures rather than standard radio hits.

The Rise of Milo Greene

In 2009, Arnett teamed up with college friends to form Milo Greene, alongside members like Marlana Sheetz and Graham Fink. Interestingly, the band's name doesn't belong to any single member; it originated as a fictional booking agent persona the group invented to secure gigs for their separate college projects.

The band released their self-titled debut album in 2012 through Chop Shop and Atlantic Records, receiving praise for lush harmonies and multi-instrumental arrangements. Over the next decade, Arnett helped steer the group through several stylistic shifts—moving from the haunting folk sounds of their first record to the upbeat, synthesizer-driven pop found on later projects like Control and Adult Contemporary. Their music frequently lands on television shows, commercials, and indie films, aligning with Arnett's original goal of scoring visual media.

Relationship and Marriage to Elizabeth Olsen

Arnett's personal life entered the global spotlight when he began dating actress Elizabeth Olsen in February 2017. The pair kept their romance largely out of the tabloid cycle, making their public debut as a couple at a pre-Emmy party later that year.

After three years of dating, they became engaged in July 2019. Eschewing a massive celebrity wedding, they quietly eloped later that same year, a detail Olsen accidentally let slip during a casual virtual interview. The couple resides in Los Angeles, where they balance demanding entertainment schedules with quiet domestic routines. In 2026, the couple announced they were expecting their first child.

Collaborative Projects Outside of Music

Beyond music, Arnett and Olsen share a creative partnership rooted in personal experiences with anxiety. Together, they authored a children's book series titled Hattie Harmony: Worry Detective, published by Penguin Random House. The books—designed to help young readers navigate mental health, stress, and emotional regulation—were inspired by the couple's own journeys with mindfulness and coping mechanisms.

Net Worth and Financial Standing

While exact financial portfolios for private independent artists remain speculative, independent industry analyses estimate Arnett's net worth between $2 million and $5 million. This wealth stems from a combination of Milo Greene's streaming revenues, publishing rights for film and television sync placements, album sales, and royalties from his children's book publications.

Frequently Asked Questions

How did Robbie Arnett and Elizabeth Olsen meet?

They met through mutual friends in Los Angeles in 2017. Their shared love for travel, quiet living, and the arts helped solidify an immediate connection away from the Hollywood spotlight.

Is Robbie Arnett still active in Milo Greene?

Yes, he remains an active member, writer, and multi-instrumentalist for the band, balancing group recordings with personal creative ventures.

What is the inspiration behind Hattie Harmony?

The children's book series was directly inspired by Arnett and Olsen's discussions surrounding anxiety, aiming to provide children with accessible tools for emotional intelligence.

Does Robbie Arnett have solo music projects?

Most of his professional output is tied to Milo Greene or collaborative scoring, though he frequently contributes to independent film soundtracks behind the scenes.