There is some controversy surrounding Culadasa. Here’s a message from the organization he headed: Important Message from the Dharma Treasure Board of Directors
His 33-page response and much discussion can be found on this Reddit board.
Culadasa (John Yates, Ph.D.) was the director of Dharma Treasure Buddhist Sangha in Tucson, Arizona and author of The Mind Illuminated: A Complete Meditation Guide Integrating Buddhist Wisdom and Brain Science for Greater Mindfulness. A meditation master with over four decades of experience in the Tibetan and Theravadin Buddhist traditions, Culadasa also taught physiology and neuroscience for many years. He combines the original teachings of the Buddha with an emerging, scientific understanding of the mind to give students a rich and rare opportunity for rapid progress and profound insight.
Interview recorded 4/1/2017
Video and audio below. Audio also available as a Podcast.