A Primetime Emmy Award nominee, she is best known for her tenure as a cast member on the NBC sketch comedy series Saturday Night Live from 1995 to 2000.

[4] After moving to Los Angeles at age 25, Oteri worked at A&M Records for four years and eventually joined famed comedy troupe The Groundlings.

In 1995, producers of Saturday Night Live (SNL) attended a performance with the intention of auditioning fellow Groundlings member Chris Kattan.

Celebrities that Oteri impersonated included Alanis Morissette, Barbara Walters, Cyndi Lauper, Mariah Carey, Marla Maples, Debbie Reynolds, Jennifer Lopez, Lacey Chabert, Ross Perot, Jennifer Tilly, Kelli Williams, Paula Jones, Tori Spelling, Melanie C, Robin Byrd, Jessica McClure, Jessica Simpson, Fran Drescher, Jennifer Aniston, Marisa Tomei, Katie Couric and Gloria Stuart.

Shows on which she made guest appearances include Just Shoot Me!, Strangers with Candy and Curb Your Enthusiasm, in which she portrayed Martine, the emotionally unstable nanny.