John-Paul Lavoisier is a 46-year-old American actor, best known for playing Rex Balsom on One Life to Live and Philip Kiriakis on Days of Our Lives.
He was born John Paul Seponski in Phoenixville, Pennsylvania, on March 12, 1980. He stands 5 ft 10½ in (1.79 m). No marriage is verified, and his net worth has no audited figure. Public estimates range from $500,000 to $4 million [1][2][3][4].
Quick Facts
| Detail | Verified Answer |
|---|---|
| Birth name | John Paul Seponski [1][5] |
| Born | March 12, 1980, Phoenixville, PA [1] |
| Age (Oct 2026) | 46 |
| Height | 5 ft 10½ in (1.79 m) [1][6] |
| Profession | Actor |
| Best-known roles | Rex Balsom, Philip Kiriakis |
| Education | University of the Arts, Philadelphia [6] |
| Wife | None verified |
| Net worth | Unverified; $0.5M–$4M estimates |
Is He the Chemist Antoine Lavoisier?
No. Several spam sites mix up the two men. You should ignore them.
- Antoine Lavoisier was a French chemist. He was born in 1743 and died in 1794 [7].
- John-Paul Lavoisier is a living American actor, born in 1980.
- The "wife Marie-Anne Paulze" claim belongs to the chemist, not the actor.
- No reliable source links the actor to French nobility.
Early Life and Education
He grew up in Phoenixville, a town famous for the 1958 film The Blob. As a kid, he performed magic tricks and played drums for anyone who would watch.
- He studied jazz percussion at the University of the Arts in Philadelphia.
- At 20, he left school for New York to pursue acting.
- He trained at The School for Film and Television and The Michael Howard Studios
- He joined the theater company Streetlight Productions.
Why does this matter? His drummer's discipline shows in how long he stuck with a tough career.
Career Timeline
| Year | Project | Role |
|---|---|---|
| Early 2000s | Sex and the City | Model |
| Early 2000s | All My Children | Orderly |
| 2002–2012 | One Life to Live | Rex Balsom |
| 2011 | Dirty Soap | Himself |
| 2014 | Beacon Hill | Eric Preston |
| 2015 | Winterthorne | Hugh Cambridge |
| 2015–2016 | Days of Our Lives | Philip Kiriakis |
| 2023 | Days of Our Lives (return) | Philip Kiriakis |
| 2024–present | Days of Our Lives (longer run) | Philip Kiriakis |
He joined Days of Our Lives as part of its fiftieth anniversary [8]. Check the show's current cast list for his 2026 status. Cast news changes fast.
Want to read about other actors with long screen careers? Try our profile of Fábio Assunção. You can also read about Olta Gixhari.
Who Is John-Paul Lavoisier's Wife?
He has no verified wife. No reliable source reports a marriage.
- Farah Fath is the only partner widely documented. She is an actress who played Gigi on One Life to Live [6].
- They appeared together on Dirty Soap [6][9].
- Reported dating years conflict: 2008–2012 in one source, 2008–2013 in another [10][11].
- A low-quality dating site lists him as single, but it cites no source [11].
Verdict: "Single" is a reasonable reading. It is not confirmed by him.
What Is John-Paul Lavoisier's Net Worth in 2026?
His exact net worth is unknown. Sites estimate it between $500,000 and $4 million.
| Source | Estimate | Notes |
|---|---|---|
| CelebrityNetWorth | $4 million | Older page, no method shown |
| Mabumbe | $1–2 million | Dated 2024, no method shown |
| GMRU's earlier profile | $500,000–$1 million | Dated 2025 |
Our assessment: The lower range fits a long-running daytime actor better. Soap salaries are rarely public. Treat the $4 million figure as the high end. This confidence rating is an editorial judgment, not an audited number.
Looking for how we handle other estimates? See Dub Bridge, where we also give a realistic range.
How Tall Is John-Paul Lavoisier?
- Height: 5 ft 10½ in (1.79 m) [1]
- Confirmed by: IMDb and Soaps.com [1][6]
- Note: Some sites say "not disclosed." The two above list a figure.