Rochelle was a Human in the 22nd century and an ex-girlfriend of Malcolm Reed.
When Reed was facing imminent death in 2151, he recorded quite similar messages for several of his former girlfriends, including Rochelle. He told Charles Tucker that he'd never talk about Rochelle's beautiful smile like he did with Deborah, but instead about her eyes. (ENT: "Shuttlepod One")
This character was only mentioned in dialogue.