David Scadden is the Gerald and Darlene Jordan Professor of Medicine at Harvard University. He is a hematologist/oncologist and Director of the Center for Regenerative Medicine at Mass. General Hospital.

He co-founded the Harvard Stem Cell Institute and is Chair of the Harvard University Department of Stem Cell and Regenerative Biology. On a team of journalists from Newsday, Michael D'Antonio won the Pulitzer Prize. He lives in New York.

Michael D'antonio is the author of numerous books, including the acclaimed The Truth About Trump.

He is a writer and on-air CNN contributor who specializes in national politics and currently writes for CNN.com, the Boston Globe, and the Los Angeles Times.