Brittany K. Barnett is a best-selling author, attorney and entrepreneur who thrives at the intersection of hope, justice and freedom.

Dr. Peter Weinstock is an Intensive Care Unit physician and Director of the Pediatric Simulator Program at Boston Children's Hospital/Harvard Medical School. Peter and his team fuse medicine with state of the art special effects, puppeteering and 3D printing technologies to create lifelike simulations of complex surgeries.

Faith Osier is studying how humans acquire immunity to malaria and developing new malaria vaccines.

Nora Brown sings ballads and plays traditional old-time music with a heavy interest in eastern Kentucky banjo playing.

Darieth Chisolm is an Emmy-winning television personality, former NBC News Anchor, entrepreneur, author, international speaker and life and business coach.

Elizabeth White is an author and aging solutions advocate for older adults facing uncertain work and financial insecurity.

Paula Hammond, head of MIT's Department of Chemical Engineering, is developing new technologies to kill cancer cells.

Trevor Copp is known for innovative social justice theater that blends physicality, image and narrative.

Will MacAskill is a cofounder of the effective altruism movement, a philosophy that tries to answer the question: How can we do as much good as possible?

Musician + educator

Alex Steffen explores our planet's future, telling powerful, inspiring stories about the hard choices facing humanity ... and our opportunity to create a much better tomorrow.

Creativity expert Sir Ken Robinson challenged the way we educate our children, championing a radical rethink of how our school systems cultivate creativity and acknowledge multiple types of intelligence.

Tania Simoncelli advises the White House on science and technology policy.

Laura Galante profiles advanced cyber threats and network breaches and investigates the political, military and financial implications of cyber operations.

A political strategist focused on creating a better future, Tom Rivett-Carnac works at the highest levels of business and government to find creative ways to accelerate solutions to the climate crisis.

Alyssa Monks transfers the intimacy and vulnerability of human experience onto a painted surface.

2005 TED Prize winner Edward Burtynsky has made it his life's work to document humanity's impact on the planet. His riveting photographs, as beautiful as they are horrifying, capture views of the Earth altered by mankind.

Journalist and commentator John Hockenberry has reported from all over the world in virtually every medium. He's the author of "Moving Violations: War Zones, Wheelchairs and Declarations of Independence."

Ronald Sullivan is a leading theorist in the areas of criminal law, criminal procedure, trial practice and techniques, legal ethics and race theory.

Developer + musical entpreneur

Dean R. Lomax is a multi-award-winning paleontologist, author and science communicator.

Ishan Bhabha counsels and represents clients on their highest-stakes matters, with a particular focus on complex issues of constitutional, regulatory and commercial law.

With a large-format camera and a knack for talking her way into forbidden zones, Taryn Simon photographs portions of the American infrastructure inaccessible to its inhabitants.

Siamak Hariri holds deep respect for the transformative potential of architecture, specializing in creating works of enduring value.

Zubaida Bai innovates health and livelihood solutions for underserved women and girls around the world.

Ole Scheeren designs buildings that generate both functional and social spaces.

Farmer + technologist

Kym Loren Worthy is the prosecutor of Wayne County, Michigan, home to Detroit.

Sanford Biggers creates art that upends traditional narratives about topics ranging from hip hop to Buddhism to American history.

Elizabeth Lesser helps her readers and students transform their lives after brushes with pain, adversity and life's myriad problems.