Barbara Dunkelman is a Canadian voice actress and creative professional, widely recognized for her role as the voice of Yang Xiao Long in the animated series RWBY. Her career in voice acting is closely intertwined with her long-standing tenure at the production company Rooster Teeth, where she began as a community manager before expanding into on-screen and voice performance. Dunkelman's portrayal of Yang Xiao Long is her most prominent and enduring voice role, a character she has voiced since the series premiered in 2013. This role extends beyond the original web series into various spin-offs and adaptations. Notably, she reprised the part for the Japanese anime adaptation, RWBY: Ice Queendom, which was produced by Studio SHAFT and aired in 2022, with the English dub featuring the original Rooster Teeth cast. Her work as Yang also encompasses the chibi-style comedy series RWBY Chibi, direct-to-video films like Justice League x RWBY: Super Heroes & Huntsmen, and video games such as RWBY: Grimm Eclipse and BlazBlue: Cross Tag Battle.

Beyond her signature role in RWBY, Dunkelman has lent her voice to other anime and animated projects, often within the Rooster Teeth network. She voiced the character Cosmos in the English adaptation of the popular anime series Fairy Tail, marking an early foray into dubbing work for a Japanese production. Within the Rooster Teeth sphere, her other notable voice credits include ORF in the animated series X-Ray and Vav, Katie Jensen in the long-running series Red vs. Blue, and Nerris in Camp Camp. Her work is marked by frequent collaborations with a consistent group of Rooster Teeth voice actors, including Lindsay Jones, Kara Eberle, Arryn Zech, and Michael Jones, creating a recognizable ensemble across the company's productions.

Dunkelman's achievements in voice acting are tied to the global success and cultural impact of the RWBY franchise. Her character, Yang Xiao Long, is a central figure in a series that has garnered hundreds of millions of views and became the first Western-produced anime-style series to be distributed in Japan. Her return for RWBY: Ice Queendom highlights the continuity and importance of the original English voice cast to the franchise's identity. Beyond performance, Dunkelman has also contributed creatively as a writer for Red vs. Blue, penning an episode focused on a character from the series. Her career reflects a unique path from community member and marketing director to a central figure in the voice cast of a major animated franchise.