Nelson Dellis is a 5x USA Memory Champion and one of the leading memory experts in the world, traveling around the world as a competitive Memory Athlete, Memory Consultant, Published Author and highly sought-after Keynote Speaker. As a Memory Champion, Mountaineer, and Alzheimer's Disease Activist, he preaches a lifestyle that combines fitness, both mental and physical, with proper diet and social involvement.

Born with an average memory, Nelson was inspired by the passing of his grandmother from Alzheimer's disease in 2009 to start training his memory so that he could keep his mind strong and healthy throughout his lifespan. In a short period of time, he transformed into one of the leading competitive memorizers in the world, claiming five U.S. titles along the way, the elite Grandmaster of Memory title, as well as several U.S. memory records, including the current Guinness World Record for 'Fastest to recall a memorized deck of cards under water' (2m22s).

Nelson is the Founder & CEO of Climb For Memory, a non-profit charity that aims to raise awareness and funds for Alzheimer's disease research through mountain climbs all around the world. Nelson has been featured on the Netflix documentary "Memory Games" (2019), FOX's Superhumans, Brain Games, The TODAY Show, Fox and Friends, The Katie Couric Show, CNN.com, ABC Nightline, The Dr. Oz Show, The Science Channel, Nat Geo, SuperBrain China, among many others. He is the author of several books on memory, including Remember It! (2018)and Memory Superpowers! (2020).