The Nantucket Project

2015: Givers, Takers and Matchers

Viking Books

Give and Take: The Card Trick

Professor Searches for Generous Celebrities, Finds This Instead


2011: Graduation Speech

Springboard diving highlights


The Today Show

2016: Originals

The Today Show

2013: Give and Take

TEDx New York City

2013: The Power of Powerless Communication

Google Zeitgeist

2014: Givers, Takers and Matchers

Google People Operations Summit

2012: Team Effectiveness

Lang & O'Leary Exchange

Give and Take

ABC Eyewitness News


The New York Times

Key and Peele: Can You Be Too Nice at the Office?