Barbara Clark is a linguistic anthropologist and safety communications consultant who runs the consultancy 'You Say Tomato'. She analyzes language use in safety-critical industries like aviation to understand communication issues and how language proficiency impacts safety. Her work involves qualitative analysis of written and recorded discourse using frameworks like Dell Hymes' SPEAKING grid. She has a background in aviation operations and obtained her PhD studying cabin crew language use. Her consultancy applies this expertise to provide services to clients in industries where clear communication is paramount, such as aviation, healthcare, and energy.