Jennifer Sekiguchi is an alias used by the American voice actress Stephanie Sheh, particularly in her early career in English dubs of anime. Under this name, she has portrayed a wide variety of characters across numerous series. Sheh's career in voice acting began around 1999, and she was involved with Synch-Point, a company that produced English dubs for anime. She made her voice acting debut under the Jennifer Sekiguchi moniker in 2001, playing the role of Silky in the series I'm Gonna Be An Angel!. Her early major role came in 2003 as Mamimi Samejima in the influential series FLCL.

As Jennifer Sekiguchi, she has voiced characters across many of the specific series listed. This includes the role of Greta in A Little Snow Fairy Sugar and its summer special. She also provided the voice for the enigmatic Guu in the Haré+Guu series, including Haré+Guu Deluxe. In the series Destiny of the Shrine Maiden, she voiced the character Himeko Kurusugawa. Her filmography under this name also includes the role of Megumi in Dangaizer 3, Misako in Here Is Greenwood, Ichinose in Ghost Talker's Daydream, and Maya Tomi in Fafner.

Beyond the work done under the Sekiguchi name, Stephanie Sheh has gone on to become a highly prolific and well-known figure in the voice acting industry. She is celebrated for her starring roles in major franchises such as Orihime Inoue in Bleach, Hinata Hyuga in Naruto, Eureka in Eureka Seven, Mikuru Asahina in The Melancholy of Haruhi Suzumiya, and as the voice of Usagi Tsukino / Sailor Moon in the Viz Media redub of Sailor Moon. In addition to her acting, she has worked as an ADR director, writer, and producer on various projects.