Eben Alexander is an American neurosurgeon and author known for his near-death experience (NDE) during a coma caused by bacterial meningitis in 2008. His experience led him to write the bestselling book, Proof of Heaven, where he describes his journey through a vivid and transformative experience in the afterlife. Following his recovery, Alexander became a prominent speaker on the topics of consciousness and spirituality. He has contributed to discussions on the intersection of science and spirituality, advocating for a broader understanding of consciousness beyond traditional scientific views.