Christina is a passionate campaigner who started her journey at BiteBack2030 during its inception. As founding co-chair, she fronted campaigns like free school meals and the junk food marketing. Her work has been recognised by the Duke and Duchess of Sussex, who welcomed Christina as a guest on their podcast, and by the BBC, who named her one of the top 100 women of 2020. In 2021, she won the Diana Legacy Award for her efforts with BiteBack in fighting for a fairer food system. Christina was also a top three contender for the Child's Peace Prize for 2021. She is now working as a campaigner in-residence at BiteBack.