---
name: "Loni Steele Sosthand"
canonical: "https://film.one/person/loni-steele-sosthand"
fi1m_id: "loni-steele-sosthand"
imdb_id: "nm3133361"
tmdb_id: 3305927
wikidata_id: "Q110523273"
roles: ["Writer"]
born: "30 May 1975"
reviewed_on_fi1m: 1
average_as: "writer"
average_over: 1
updated: "2026-10-22T03:19:50.915285+00:00"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# Loni Steele Sosthand

## Identity

Loni Steele Sosthand

- **Canonical:** https://film.one/person/loni-steele-sosthand
- **Type:** Person
- **Fi1m ID:** loni-steele-sosthand
- **IMDb ID:** nm3133361
- **TMDB ID:** 3305927
- **Wikidata ID:** Q110523273
- **Same entity:** https://www.wikidata.org/wiki/Q110523273, https://www.imdb.com/name/nm3133361/, https://www.themoviedb.org/person/3305927

Writer. Born 30 May 1975 in San Jose.

## Details

- **Work:** Writer
- **Born:** 30 May 1975, San Jose
- **Active:** 1989–present
- **Frequently works with:** [Al Jean](https://film.one/person/al-jean.md), [Christine Nangle](https://film.one/person/christine-nangle.md), [David Silverman](https://film.one/person/david-silverman.md), [James L. Brooks](https://film.one/person/james-l-brooks.md), [Joel H. Cohen](https://film.one/person/joel-h-cohen.md), [J. Stewart Burns](https://film.one/person/j-stewart-burns.md), [Matt Groening](https://film.one/person/matt-groening.md), [Nancy Cartwright](https://film.one/person/nancy-cartwright.md)
- **Elsewhere:** https://www.wikidata.org/wiki/Q110523273, https://www.imdb.com/name/nm3133361/, https://www.themoviedb.org/person/3305927

## Streaming the US now

- **Disney+:** [*The Simpsons*](https://film.one/tv/the-simpsons.md) (88)

For United States; add `?region=XX` for another country.

## Biography

Loni Steele Sosthand is an American writer and producer. She graduated from Harvard University in 1997, where she wrote a novel as her honours thesis. Earlier in her career she wrote episodes of multi-camera family comedies including *Lab Rats* (2012), *Dog with a Blog* and *Best Friends Whenever* (2016). She co-created, co-wrote and co-produced the half-hour pilot *Katrina* for The-N.

Sosthand joined the staff of *The Simpsons* (1989) in 2021 as a story editor and has since worked as executive story editor, co-producer, producer, supervising producer and co-executive producer. She has written several episodes, including "The Sound of Bleeding Gums" (2022) and "Carl Carlson Rides Again" (2023), as well as the shorts *The Simpsons in Plusaversary* (2021), *Welcome to the Club* (2022) and *Maggie Simpson in "Rogue Not Quite One"* (2023). She won a Writers Guild of America Award for Animation for "Carl Carlson Rides Again".

*Sources: imdb.com, archive.harvardwood.org, simpsonswiki.com.*

## On Fi1m (1)

- *The Simpsons* (1989), Fi1m 88, Writer — [page](https://film.one/tv/the-simpsons.md)

## Complete filmography (9)

Every credit, newest first. Titles without a page can be requested for review on the HTML page.

- *Yellow Mirror* (2026), Supervising Producer
- *Simpsley* (2026), Supervising Producer
- *Extreme Makeover: Homer Edition* (2026), Supervising Producer
- *The Simpsons: O C'mon All Ye Faithful* (2024), Producer
- *Maggie Simpson in "Rogue Not Quite One"* (2023), Writer
- *Welcome to the Club* (2022), Writer
- *The Simpsons in Plusaversary* (2021), Writer
- *Katrina* (2007), Screenplay, Producer
- *The Simpsons* (1989), series, Writer — Fi1m 88, [page](https://film.one/tv/the-simpsons.md)

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/person/loni-steele-sosthand