Mark Keller

Mark Keller is a veteran English teacher with over 30 years of experience helping students from around the world improve their communication skills. He is the founder of MK's English, a platform dedicated to providing engaging, real-life English lessons through worksheets, videos, podcasts, and online courses. Mark also hosts the Everyday English Listening podcast, designed to help ESL learners build confidence through short, topic-based episodes.

Whether in the classroom or online, Mark's mission is to make English accessible, practical, and enjoyable for learners at all levels. His educational books reflect his passion for clear communication, cultural connection, and lifelong learning.

In addition to writing educational resources, Mark is also the author of speculative fiction that blends science fiction, cosmic horror, and psychological suspense. His debut novel, The Waters of the Dead, explores humanity's forgotten connection to the ocean through a story of deep-sea discovery and ancient consciousness. He is currently writing his second novel, Veil of Soil.