Gabe Greenspan has performed in parody musicals, written comedy for the screen and helped turn tabletop role-playing into a weekly podcast. He is also the eldest son of Jason Alexander, the actor who made George Costanza a television fixture in Seinfeld. Yet his career extends beyond that connection.
A Yale graduate with a background in theatre and improvisation, Greenspan works across live comedy, online sketches and independent productions. His credits range from the father-and-son series Dinner with Dad to an Edinburgh Fringe production and Team StarKid’s 2026 musical Tomb Quest. His work bridges conventional theatre and online communities.
Quick Bio
| Detail | Information |
|---|---|
| Full Name | Gabriel Title Greenspan |
| Known As | Gabe Greenspan |
| Birth Date | May 1992 |
| Age (2026) | 34 years |
| Birthplace | Los Angeles, California, USA |
| Nationality | American |
| Profession | Actor, comedian, writer, singer and podcast host |
| Education | Yale University |
| Qualification | BA in Theater Studies (2014) |
| Father | Jason Alexander (Seinfeld actor) |
| Mother | Daena E. Title |
| Sibling | Noah Greenspan (younger brother) |
| Wife | Kristina Holliman |
| Children | One son |
| Known For | Dinner with Dad, The Idiot Chimney, musical parody |
| Theatre Associations | Upright Citizens Brigade, Tin Can Bros, Team StarKid |
| Podcast | Total Party Skill |
| Current Base | Los Angeles, California |
| Net Worth | Not publicly verified |
More Than a Familiar Hollywood Surname
Born in Los Angeles in May 1992, Gabriel “Gabe” Greenspan grew up in a family closely connected to entertainment. His father, Jason Alexander, was born Jay Scott Greenspan and adopted a professional name long before becoming internationally recognised for Seinfeld. Gabe uses the family surname.
His mother, Daena E. Title, is an artist, while his younger brother, Noah Greenspan, has worked in voice acting. The performing arts were familiar territory, although Gabe developed his own comic interests.
During the 2023 SAG-AFTRA strike, Alexander and both sons appeared together on the picket line. The moment showed their shared connection to the entertainment industry, despite Gabe and Noah developing distinct careers in performance and voice work.
Alexander has spoken publicly about his elder son’s enthusiasm for performance from childhood. Gabe’s subsequent work combines that interest with writing, music and collaborative productions, often favouring an ensemble over a conventional starring role.
Yale Was Already a Workshop for Original Comedy
Greenspan studied Theatre Studies at Yale University, graduating in 2014. His college production credits reveal more than an acting education: he was involved in directing, composing, writing and performing across different theatrical styles.
Yale College Arts records identify him as a writer and music composer of Pokémon: The Mew-sical, created with Ryan Bowers and performed in April 2012. He also played Gary in the production. The show turned a recognisable gaming franchise into musical parody, a combination that would become central to his professional identity.
His university credits also include directing 12 Angry Men in 2014 and Crimes of the Heart in 2012. Onstage, he appeared in productions including Parade, The 25th Annual Putnam County Spelling Bee and Sweeney Todd.
The range prepared him to assemble original productions and move between serious theatre and comedy.
Learning Improvisation Beyond the University Stage
Before and after Yale, Greenspan spent time at the French Woods Festival of the Performing Arts, where his experience included acting, improvisation and circus training. His professional biography also describes teaching circus skills there.
After returning to Los Angeles, he performed in the city’s improv scene, including at Upright Citizens Brigade and iO West. That collaborative, unpredictable approach also informs his sketch work.
Dinner with Dad: When Family Became the Premise
One of Greenspan’s clearest television credits is Dinner with Dad, the short-form digital comedy series he created and wrote with Jason Alexander. It premiered through Freeform in March 2017, with both men playing exaggerated versions of themselves.
Set largely around regular meals in a deli, the series follows a father who offers enthusiastic, sometimes unwanted advice to a son pursuing show business. Its humour depends partly on viewers recognising Alexander’s television persona, but the creative partnership is genuine: father and son shared the writing.
For Greenspan, the project was an opportunity to shape material for a mainstream entertainment platform rather than simply appear in an established actor’s production. It also showed that his family connection could become a comic subject without defining his entire career.
The series is a 2017 production, not a new commission.
Building a Home in Sketch and Musical Parody
Alongside screenwriting, Greenspan co-founded the two-person sketch comedy act The Idiot Chimney. His professional profiles continue to associate him with the group, which reflects a more independent side of his working life.
He has also performed with Quick & Funny Musicals, a Los Angeles comedy group associated with Upright Citizens Brigade. These productions use songs and familiar popular-culture formats to generate humour, demanding both musical timing and the ability to play a joke convincingly.
His credits include Thrones! The Musical Parody and The Solve-It Squad. Their humour depends on recognising familiar stories and watching performers overturn expectations.
Greenspan’s early Pokémon show is particularly revealing in this context. It connects his university experiments directly to the musical spoofs and collaborative theatre that later became recurring features of his career.
A British Stage Appearance with Tin Can Bros
His collaboration with the Los Angeles-based Tin Can Bros brought that work to an international festival. In August 2024, he appeared as Keith in The Solve-It Squad at the Edinburgh Festival Fringe.
The production follows former child detectives facing an unresolved mystery from their past, using the conventions of animated mystery adventures to explore adult disappointment and friendship. Its cast also included Ashley Clements, Lauren Lopez, Joey Richter and Brian Rosenthal.
The Edinburgh run is an important part of Greenspan’s public performance record. It placed him before UK festival audiences in a fully staged ensemble production, rather than only through internet sketches or American comedy venues.
A 2026 Link with Team StarKid
Greenspan’s association with performers from Tin Can Bros also connects him to Team StarKid, the musical-theatre company known for genre-focused comedy. For its 2026 production Tomb Quest, StarKid’s official credits name him among the understudies.
The show centres on adults reuniting to finish a tabletop role-playing campaign. That premise overlaps neatly with another of Greenspan’s long-standing interests: fantasy gaming and improvised storytelling.
An understudy credit is a specific theatrical responsibility, not proof of a leading role in every performance. It nevertheless places him within another established creative ensemble and demonstrates the connections between Los Angeles parody theatre and online musical fandom.
Upright Citizens Brigade’s 2026 performance calendar also associated him with Tabletop Tunes: The Improvised Musical RPG!, a show that brings fantasy role-playing and spontaneous musical comedy together.
Dungeons & Dragons Becomes a Second Creative Platform
Greenspan is a co-host of Total Party Skill, a weekly podcast about Dungeons & Dragons, alongside George Primavera and Dylan McCollum. Launched in 2024, it explores the game from the perspectives of people who enjoy both playing it and thinking critically about its design.
Episodes cover subjects such as building characters, creating original game material and designing encounters. Rather than functioning only as a recorded fictional adventure, the format gives its presenters room to debate rules, experiment with ideas and make jokes.
The programme reached its 100th episode in July 2026. A June 2026 instalment also featured voice actor Matthew Mercer, a notable guest for an audience interested in tabletop entertainment.
For Greenspan, podcasting is consistent with his other work. It is collaborative, improvisational and built around communities that share detailed knowledge of a fictional world.
Marriage, Fatherhood and Life Away from Performances
Greenspan married Kristina Holliman in September 2020, following their engagement in 2019. The couple welcomed a son in 2022, making Jason Alexander and Daena Title grandparents.
He occasionally shares family milestones publicly, while keeping his career centred on performing and writing.
Financially, no trustworthy public disclosure establishes Greenspan’s exact net worth. His documented credits demonstrate professional activity across several entertainment fields, but they do not provide a reliable basis for estimating personal wealth.
Conclusion
Gabe Greenspan’s best-known family connection is to Jason Alexander, but his body of work tells a wider story. From student-written musical parody to Dinner with Dad, Edinburgh theatre, StarKid and Total Party Skill, he has pursued collaborative comedy across several platforms. His career is defined less by a single breakthrough than by a consistent interest in writing, performing and turning shared cultural obsessions into entertaining work.
FAQs
Who is Gabe Greenspan?
Gabe Greenspan is an American actor, comedian, writer and musical performer based in Los Angeles. He has worked with The Idiot Chimney, Quick & Funny Musicals and Tin Can Bros, and co-created Dinner with Dad. He also co-hosts the tabletop gaming podcast Total Party Skill.
Is Gabe Greenspan Jason Alexander’s son?
Yes. He is the elder son of Seinfeld actor Jason Alexander and artist Daena E. Title. Alexander’s birth surname is Greenspan, explaining why father and son use different professional names. They wrote and appeared together in the 2017 Freeform digital comedy Dinner with Dad.
How old is Gabe Greenspan?
Greenspan was born in May 1992, making him 34 in October 2026. Public sources differ on the exact day of his birthday, so the month and year are the more dependable details. He grew up in Los Angeles before attending Yale University.
Is Gabe Greenspan married, and does he have children?
Yes. He married Kristina Holliman in September 2020, and they welcomed a son in 2022. The family has shared some milestones publicly, but detailed accounts of their private life are neither necessary nor reliably available.
What is Gabe Greenspan working on in 2026?
His documented 2026 activities include co-hosting Total Party Skill, appearances in Upright Citizens Brigade programming and an understudy credit for Team StarKid’s Tomb Quest. These credits show continuing involvement in live comedy, musical theatre and tabletop entertainment, although they do not establish a complete schedule of future work.
READ THIS TOO: Noah Greenspan: Jason Alexander’s Son Finding His Own Voice in Entertainment
One Comment