Dana Knowles

Successful Inventor, Speaker, & Owner of Dana's Tuxedo; Speaks on Substance Abuse Recovery & Overcoming Homelessness

Daniel Amen

Award-Winning Psychiatrist & Best Selling Author

Raising Mentally Strong Kids: How to Combine the Power of Neuroscience with Love and Lo...

Daniel Buccino

Clinical Director at the Johns Hopkins Broadway Center for Addiction

Daniel Ciccarone

Professor of Family & Community Medicine at UCSF Medical Center

Daniel Johns

Australian Singer, Songwriter and Guitarist; Former Front Man of Rock Band, "Silverchair"

Danny Bonaduce

Actor, Radio & Television Host, Victim of Substance Abuse and Depression

Danny Pintauro

Actor best known as a child star on "Who’s the Boss?"; HIV Activist; Beacon of Light Tour

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Darrell Hammond

Comedian, Actor & Second Longest Running Cast Member of SNL

Darrion Cockrell

Former Gang Member & Missouri’s 2021 Teacher of the Year

Dashama

Dashama is an internationally known teacher, author, speaker and lifestyle coach. Founder of the Global 30 Day Yoga Challenge, Perfect 10 Lifestyle and Pranashama Yoga School. As a child she began practicing yoga and holistic health as a source of peace,

Dave Davlin

Speaker & Entertainer

Dave Spencer

Rev. Dr. David A. Spencer Inducted into Cambridge Who's Who Executive, Professional and Entrepreneurial Registry

David Crow

Women's Advocate, Mental Health Champion, Author of True Crime Memoir, The Pale-Faced Lie

David Feherty

Golf Commentator for LIV Golf; TV Host, Bestselling Author & Former PGA Tour Pro

David Fiellin

Professor of Medicine, of Emergency Medicine, and of Public Health; Director, Yale Program in Addiction Medicine

David Granirer

Counselor & Stand-Up Comedian; Founder of Stand Up for Mental Health

Comedy Crusader

David J. Sperling

David J. Sperling is a writer/filmmaker, chemical dependency instructor and custody officer. He has worked in a jail for nearly 20 years and has been certified as a hostage/crisis negotiator by the FBI.

David Marella

Corporate Associate at Gibbons P.C.; Drug Policy Expert

David Mee-Lee

Board-Certified Psychiatrist