Author or coauthor of 19 books for adults and young readers, including 4 NYT bestsellers. Translated into 25 languages. Nominated for 20+ state and international awards, including the Royal Society’s Young People’s Book Prize and the 2019 Smart Book Prize.

A few notables on what it’s like to collaborate with me on projects:

“What is more important than the authentic transformation of the content is the preservation of my voice and tone throughout. That requires an uncommon level of awareness and sensitivity.”

— Neil deGrasse Tyson

“Greg is a hardworking delightful guy to work with who is very funny. Without him and his ability to crank out amazing dialog with excellent reportage and interview skills, I’d be nowhere — nowhere I tell you….”

— Bill Nye the Science Guy

“A brilliant writer.”

— Rob David, Vice President Content Creation, Mattel, Inc.