Tracy Day is the co-founder of the World Science Festival. She serves as CEO, overseeing the creative and programmatic offerings of the Festival and producing original theatrical, musical and multimedia works at the intersection of science and art.

Richard Besser is ABC News’ chief health and medical editor. In this role, he provides medical analysis and commentary for all ABC News broadcasts and platforms, including World News with David Muir, Good Morning America, and Nightline.

Dan Harris was named co-anchor of ABC News’ weekend edition of Good Morning America in October 2010. Additionally, Harris is a New York-based correspondent for ABC News’ broadcasts and platforms.

Peter Staley has been a long-term AIDS and gay rights activist, first as a member of ACT UP New York, then as the founding director of TAG, the Treatment Action Group. He served on the board of the American Foundation for AIDS Research (amfAR) for 13 years.

Since 2002, Mairi Dorman-Phaneuf has held chairs in 14 Broadway productions, including The Bridges of Madison County, A Little Night Music, Sunday in the Park with George and, currently, Fiddler on The Roof. She has been a featured performer with John Pizzarelli, Jeremy Jordan, and Jason Robert Brown.

Bernadette Woods Placky is often called upon to discuss and explain extreme weather events and has appeared on a number of national and local television broadcasts. Before coming to Climate Central, she spent 11 years as a TV weather forecaster. Her most recent station was WJZ in Baltimore, where she earned an Emmy.

Nancy Anderson has starred on Broadway in A Class Act, Wonderful Town, and the revival of Sunset Boulevard. She is a three-time Drama Desk Nominee and a three-time Helen Hayes Nominee.