Lianna Grethel is a bilingual television host, actress, and voiceover artist with over 20 years of experience across U.S. and Latin American media. Born in Hartford, Connecticut, and raised in Cali, Colombia, she brings a bicultural perspective that has shaped her ability to connect authentically with diverse audiences. Her on-camera presence, credibility, and storytelling skills have made her a trusted figure in Hispanic television.

She is best known as one of the long-standing faces of Alarma TV and Noticias 62, where she has hosted and anchored for nearly two decades. Her work has contributed to more than 5,000 episodes, a milestone recognized by the Los Angeles City Council for her impact on Hispanic media. Lianna has also worked across major networks including Estrella TV, Univision, and NBC, gaining national exposure as Model #22 on NBC’s Deal or No Deal.

In addition to television, Lianna is an accomplished voiceover artist who has worked with global brands such as McDonald’s, Coca-Cola, Jack in the Box, Curacao, and Burger King. She has hosted large-scale live events including Fiesta Broadway and Cinco de Mayo celebrations for La Que Buena, showcasing her versatility on stage and on screen. Today, Lianna Grethel continues to evolve as a dynamic media professional, bringing authenticity, professionalism, and energy to every project.