Alexander Koch Biography: Fiancée, Age, Height, Net Worth, Movies, Parents, TV Shows, Instagram
Alexander Koch is an American actor recognized for his performances in television and film.
He rose to prominence after portraying James "Junior” Rennie in the CBS science fiction drama Under the Dome, adapted from Stephen King’s bestselling novel.
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Since then, he has expanded his acting career across acclaimed productions including Black Bear, Lucifer, The Code, Hacks, Sightless, and Happiness for Beginners.
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| Wiki Facts & About Data | |
| Name: | Alexander Koch |
| Born: | February 24, 1988 (age 38 years old) |
| Place of Birth: | Grosse Pointe Park, Michigan, United States |
| Nationality: | American |
| Ethnicity: | German, Italian, and Lebanese |
| Height: | 6 feet 1¾ inches (188 cm) |
| Religion: | Christianity |
| Parents: | Joseph William Koch and Joya Dean Gravina Koch |
| Siblings: | Ashleigh Koch and Michelle Koch |
| Relationship: | Engaged to Daniella Pineda |
| Occupation: | Actor |
| Net Worth: | $4 million |
Early Life and Education
Alexander Koch was born on February 24, 1988, in Grosse Pointe Park, Michigan, United States.
He spent his formative years under the care of Joseph William Koch and Joya Dean Gravina Koch, growing up alongside his sisters, Ashleigh Koch and Michelle Koch.
His ethnicity is German, Italian, and Lebanese, while his religion is Christianity.
He completed his education at Grosse Pointe South High School before earning a Bachelor of Fine Arts in Acting from The Theatre School at DePaul University in 2012, where he developed the skills that launched his acting career.
Career
Alexander Koch entered the entertainment industry shortly after graduating from DePaul University, making his screen debut in the independent short film The Ghosts.
His breakthrough arrived in 2013 after securing the role of James “Junior” Rennie in the CBS television series Under the Dome, a performance that introduced him to an international audience and established him as one of television’s promising young actors.
Following the success of the series, he continued building an impressive résumé across television and film.
His acting credits include Always Shine, Maya Dardel, The Code, Sorry for Your Loss, Lucifer, Black Bear, Sightless, Law & Order: Special Victims Unit, Happiness for Beginners, and Hacks.
His ability to portray emotionally layered characters has earned praise from critics while allowing him to work across drama, thriller, comedy, and independent cinema.

Social Media
- Instagram: @kochakola
Personal Life
Alexander Koch, 38 years old, is engaged to actress Daniella Pineda.
He has no children. Away from acting, he has an interest in music and often incorporates playlists and visual references while preparing for challenging roles. His height is 6 feet 1¾ inches (188 cm).
Net Worth
Alexander Koch has built a net worth of $4 million USD.
His income is generated primarily from television series, feature films, streaming productions, and other acting projects.
Consistent appearances in successful network dramas, independent films, and digital productions have contributed significantly to his financial success.
Filmography
- The Ghosts (2011)
- Underemployed (2012)
- Under the Dome (2013–2015)
- Always Shine (2016)
- Maya Dardel (2017)
- Sorry for Your Loss (2018)
- The Code (2019)
- Black Bear (2020)
- Sightless (2020)
- Lucifer (2020)
- Law & Order: Special Victims Unit (2022)
- Happiness for Beginners (2023)
- Hacks (2025)
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