Michael Gazzaniga

President of the Cognitive Neuroscientist Institute & Author of "Tales from Both Sides of the Brain: A Life in Neuroscience"

Tales from Both Sides of the Brain: A Life in Neuroscience

Jim Wallis

Theologian, Writer, Political Activist & Racial Justice Advocate

Christ in Crisis: Why We Need to Reclaim Jesus

Gary Hirshberg

Co-Founder & Chief Organic Optimist of Stonyfield Farm

David Bellos

Translator

Ingrid Newkirk

President, PETA

Mia Farrow

Acclaimed Actress & Humanitarian Activist

Rose McGowan

Writer, Actor, Director, Entrepreneur and Whistle-Blower

Jason Kottke

Designer of Silkscreen Typeface, Lifetime Achievement Award Blogger

Sister Souljah

Author, Rap Artist & Community Activist

Maude Barlow

Activist, Author & Former UN Senior Advisor on Water

Michael Walzer

Professor Emeritus, The Institute for Advanced Study

Sonia Nassery Cole

Filmmaker and Philanthropist

Kate Clinton

One of America's Brightest Political Comedians

Ira Byock

Dartmouth-Hitchcock Medical Center

Arthur Mutambara

Pres., Movement for Democratic Change (Zimbabwe)

Bill Hybels

Senior Pastor of Willow Creek Community Church

Jane Elliott

Anti-Racism Activist, Educator, Feminist & LGBT Activist

Sarah Lyall

Writer-At-Large for The New York Times; Reporting on the 2020 Election

John Ortberg

Senior Pastor of Menlo Park Presbyterian Church, Author

Jeffrey Israel

Author & Jewish Studies Professor at Williams College