Mark Nepo is a poet and spiritual teacher who has taught in the fields of poetry and spirituality for over 50 years. With over a million copies sold, Mark has moved and inspired readers and seekers all over the world with his #1 New York Times bestseller The Book of Awakening. A beloved poet, teacher, and storyteller, Mark has been called "one of the finest spiritual guides of our time," "a consummate storyteller," and "an eloquent spiritual teacher." His work is widely accessible and his books have been translated into more than twenty languages.

A bestselling-author, Mark has published twenty-six books and recorded fifteen audio projects. His newest book, The Fifth Season: Creativity in the Second Half of Life (St. Martin's Essentials, July 2025) celebrates living from the inside of the one life we're given. Other recent books include You Don't Have to Do It Alone: The Power of Friendship (St. Martin's Essentials, July 2024), which explores the value of community, offering a joyous affirmation of one of the most important aspects of being human: friendship; Falling Down and Getting Up (St. Martin's Essentials, September 2023); The Half-Life of Angels: Three Books of Poems (Freefall Books, April 2023), which earned a Gold Nautilus Award for Poetry; Surviving Storms: Finding the Strength to Meet Adversity (St. Martin's. Essentials, 2022); The Book of Soul (St. Martin's Essentials, 2020), which was honored by Spirituality & Practice as one of the Best Spiritual Books of 2020, and received a Gold Nautilus Award; Drinking from the River of Light (Sounds True, 2019), earned an Independent Publisher Book Silver Award for Self Help 2020, and a 2019 Nautilus Silver Award for Personal Growth & Self Help; and More Together Than Alone (Atria, 2018) cited by Spirituality & Practice as one of the Best Spiritual Books of 2018.

In 2015 Mark was given a Life-Achievement Award by AgeNation; in 2016 he was named by Watkins: Mind Body Spirit as one of the 100 Most Spiritually Influential Living People, and was also chosen as one of OWN's SuperSoul 100, a group of inspired leaders using their gifts and voices to elevate humanity. Mark appeared several times with Oprah on her Super Soul Sunday program on OWN TV, and was part of Oprah's The Life You Want tour in 2014. He has also been interviewed by Robin Roberts on Good Morning America.

In his thirties Mark was diagnosed with a rare form of lymphoma, a struggle which helped to form his philosophy of experiencing life fully while staying in relationship to an unknowable future. Mark devotes his writing and teaching to the journey of inner transformation and the life of relationship. He continues to offer readings, lectures, and retreats. He is represented by William Morris Endeavor Entertainment.