Founded in 2016, ELSA harnesses the power of generative artificial intelligence (AI) to improve English-speaking skills globally. With headquarters in San Francisco and offices in Lisbon, Tokyo, Jakarta and Ho Chi Minh City, ELSA is at the forefront of AI-driven language learning innovation, transforming how people worldwide enhance their English communication skills. Elsa’s 50 million users and 1 billion hours of anonymized English audio data improve English communication skills. ELSA’s learning paths adapt to users’ goals and interests, making learning engaging and effective. This approach ensures that both businesses and individuals receive tailored support, maximizing their potential and success.