Yara Shahidi

Award-Winning Actress Known for "Black-ish," Youth Advocate & Voting Activist

Let Curiosity Lead | Yara Shahidi | TED

Ian Somerhalder

Actor Known for "The Vampire Diaries"; Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation

Rachael Ray

Chef, Cookbook Author & Television Host Known for the "Rachael Ray Show"

Olivia Holt

Actress & Singer

Liza Koshy

YouTube Star & TV Host; Former Vine Star

Nina Dobrev

Canadian Actress & Model; Best Known for "The Vampire Diaries" and "Degrassi"

Dove Cameron

Disney Channel Actress & Singer; Best Known for "Liv and Maddie" & "Descendants"

Tunde Oyeneyin

Peloton Instructor & Makeup Artist; Founder of SPEAK Instagram Live Series

Cassandra Worthy

Change Enthusiasm, Mindset & Leadership Speaker; Disruptive Thought Leader

Pau Gasol

NBA Power Forward, Two-Time NBA Championship Winner, UNICEF Ambassador

Dr. Jennifer Ashton

Board-Certified Ob-Gyn, Author & TV Medical Correspondent

China Anne McClain

Actress, Singer & Dancer; Best Known for Disney's "A.N.T. Farm." & The CW's "Black Lightning"

Michael Oher

Founder of Oher Foundation for Disadvantaged Youth; Former NFL Player for Baltimore Ravens, Tennessee Titans & Carolina Panthers; Super Bowl 47 Champion; Story Told in Movie "The Blind Side"

Jennette McCurdy

Director, Host of "Hard Feelings" Podcast, Former Actress & Author of "I'm Glad My Mom Died"

Dr. Michael Roizen

Chief Wellness Officer at the Cleveland Clinic & Co-Founder of RealAge; Anesthesiologist & Former FDA Advisory Committee Chair

Derek Hough

Dancer, NYT Bestselling Author, Emmy Award Winner for Outstanding Choreography & Six-Time Champion of ABC's "Dancing with the Stars"

Joy Bauer

Nutrition and Health Expert on NBC's "Today Show" & Founder of Nourish Snacks

Ross Lynch

Actor Best Known for "My Friend Dahmer," "Chilling Adventures of Sabrina" & Disney Channel's Original Series "Austin & Ally"

Dr. Mikhail Varshavski

Known as "Doctor Mike;" Leading Medical Media Voice Who Communicates the Value of Preventive Medicine

Zendaya

Emmy Award-Winning Actress, Singer & Dancer; Known for "Euphoria," "Spider-Man: Homecoming," "Dune: Part Two" & "Challengers"