Roberta Valderrama was popularly known for her inclusion in the hit series ER. She graduated from Carnegie Mellon University. Previously, she appeared in stage productions like Three Sisters, 'Tis a Pity She's a Whore, The Merchant of Venice and Grownups on the Playground. In addition, she played the lead role in the movie Pure. Ultimately, she became part of the comedy series 10 Items or Less as Yolanda Nelson. Yolanda Nelson works at the Greens and Grains grocery store in the produce section. She is perceived to be very dominant and straight forward.