Gemmill's Career in Television Writing and Producing
From early days as a story editor to becoming a celebrated showrunner, Gemmill has built a prolific career in the American television industry. With a specialty in high-stakes drama and medical procedurals, Gemmill has contributed to some of the most recognizable series on television, earning prestigious awards and nominations along the way.
Early Career and Foundations
Gemmill entered the industry in 1989, beginning as a story editor and writer for Friday the 13th: The Series. This early experience in narrative structure paved the way for further writing contributions to series such as Tropical Heat and Side Effects.
Rise Through the Ranks: JAG and ER
Gemmill's career gained significant momentum during a tenure on JAG. Joining in the first season, Gemmill served as an executive story editor and writer, eventually ascending to the role of producer. Over four seasons, Gemmill wrote 18 episodes, including the episode "Angels 30," which earned a Humanitas Prize nomination in the 60-minute category in 1999.
Following this success, Gemmill joined the medical drama ER during its sixth season. Starting as a supervising producer and writer, Gemmill eventually rose to the position of executive producer. During this tenure, the series was nominated for the Emmy Award for Best Drama Series for both its sixth and seventh seasons. Gemmill wrote 32 episodes in total, remaining with the show until the thirteenth season. In 2008, Gemmill and David Zabel won a Humanitas Prize in the drama teleplay category for the season 12 episode "There Are No Angels Here."
Executive Leadership and Showrunning
Transitioning into higher leadership roles, Gemmill served as an executive producer for the drama series Smith. Following its conclusion, Gemmill continued as a writer and executive producer for Women's Murder Club, and later served as a consulting producer and writer for The Unit.
In 2009, Gemmill joined the cast and crew of NCIS: Los Angeles as a writer and executive producer. This role culminated in Gemmill becoming the showrunner—the person with ultimate creative and managerial authority over a television series—during the show's eighth season.
Most recently, Gemmill created and became the showrunner for the HBO Max medical drama The Pitt, where Gemmill also serves as a writer and executive producer. The series achieved critical acclaim, winning the 2025 Primetime Emmy Award for Outstanding Drama Series.
Key Facts
- Humanitas Prize Winner: Awarded in 2008 for the ER episode "There Are No Angels Here."
- Emmy Success: The Pitt won the 2025 Primetime Emmy for Outstanding Drama Series.
- Prolific Writing: Wrote 18 episodes of JAG and 32 episodes of ER.
- Leadership: Served as showrunner for NCIS: Los Angeles (Season 8) and creator/showrunner of The Pitt.
Career Summary Table
| Series | Primary Role(s) | Notable Achievement |
|---|---|---|
| Friday the 13th: The Series | Story Editor / Writer | Career start (1989) |
| JAG | Executive Story Editor / Producer | Humanitas Prize nomination ("Angels 30") |
| ER | Supervising / Executive Producer | Humanitas Prize winner (2008) |
| NCIS: Los Angeles | Writer / Executive Producer / Showrunner | Showrunner for Season 8 |
| The Pitt | Creator / Showrunner / Executive Producer | 2025 Emmy for Outstanding Drama Series |
Frequently Asked Questions
Which series did Gemmill create?
Gemmill is the creator and showrunner of the HBO Max medical drama The Pitt.
How many episodes of ER did Gemmill write?
Gemmill wrote a total of 32 episodes for ER between the sixth and thirteenth seasons.
What awards has Gemmill won?
Gemmill won a Humanitas Prize in 2008 for the ER episode "There Are No Angels Here" and a Primetime Emmy Award in 2025 for Outstanding Drama Series for The Pitt.
When did Gemmill become a showrunner?
Gemmill became the showrunner for NCIS: Los Angeles during its eighth season and later served as the showrunner for The Pitt.
What was Gemmill's first role in television?
Gemmill began as a story editor and writer for Friday the 13th: The Series in 1989.