Jennifer Siebel Newsom Biography: Husband, Age, Kids, Height, Net Worth, Parents, Movies, Documentaries
Jennifer Lynn Siebel Newsom is an American documentary filmmaker, actress, and advocate who has served as First Partner of California since 2019 as the wife of Governor Gavin Newsom.
She is known for her films examining gender representation and social issues, including the acclaimed documentary Miss Representation, and for her work promoting gender equity and family support initiatives.
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| Real Name: | Jennifer Lynn Siebel Newsom |
| Stage Name: | Jennifer Siebel Newsom |
| Born: | 19 June 1974 (age 52 years old) |
| Place of Birth: | San Francisco, California, United States |
| Nationality: | American |
| Height: | 1.70 m |
| Parents: | Ken Siebel, Judy Siebel |
| Siblings: | Stacey Siebel, Brooke Mitchell, Melissa Siebel Schiller, Jessica Siebel |
| Spouse: | Gavin Newsom (m. 2008) |
| Relationship: | Married |
| Children: | Montana Tessa Siebel Newsom, Dutch William Siebel Newsom, Brooklynn Siebel Newsom, Hunter Siebel Newsom |
| Occupation: | Documentary Filmmaker, Actress, First Partner of California |
| Net Worth: | $30 million |
Early Life and Education
Jennifer Siebel Newsom was born on 19 June 1974 in San Francisco, California, to investment manager Ken Siebel and Judy Siebel, co-founder of the Bay Area Discovery Museum.
She grew up in Ross, California, as one of five sisters, including Stacey, Brooke, Melissa, and Jessica.
She attended The Branson School, where she excelled in varsity basketball, soccer, and tennis.
She later graduated with honors from Stanford University with a Bachelor of Arts in Latin American Studies in 1996 and earned a Master of Business Administration from the Stanford Graduate School of Business in 2001.
She is of American origin, and her religion is Christianity.
Career
Jennifer Siebel Newsom began her career after completing her education, working internationally with Conservation International on sustainable enterprise projects before moving into acting in the early 2000s.
She appeared in films such as Something’s Gotta Give (2003), Rent (2005), and In the Valley of Elah (2007), along with television roles on series including Presidio Med, Life, Mad Men, and Numb3rs.
Transitioning into documentary filmmaking, she wrote, directed, and produced Miss Representation (2011), which examined media portrayals of women and sparked the founding of The Representation Project.
She followed with The Mask You Live In (2015), focusing on masculinity and its impact on boys and men; The Great American Lie (2019), addressing economic inequality; and Fair Play (2022), exploring domestic labor inequities.
She has also executive produced films such as The Invisible War and The Hunting Ground.
As First Partner of California since her husband’s inauguration in 2019, she has advocated for gender equity, children’s mental health, and family support through initiatives including California for ALL Women and California for ALL Kids.
She continues to lead The Representation Project and related efforts while balancing her roles as filmmaker and public advocate.

Personal Life
Jennifer Siebel Newsom is married to California Governor Gavin Newsom, whom she wed in 2008 after meeting in 2006.
The couple has four children: Montana Tessa, Hunter, Brooklynn, and Dutch William Siebel Newsom.
Filmography
- Something’s Gotta Give (2003)
- Rent (2005)
- In the Valley of Elah (2007)
- Life (2007)
- Miss Representation (2011)
- The Mask You Live In (2015)
- The Great American Lie (2019)
- Fair Play (2022)
Net Worth
Jennifer Siebel Newsom has an estimated net worth of approximately $30 million, derived from her family’s investment background, earnings from documentary production and nonprofit leadership, real estate, and related professional activities.
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