Dan is a writer and editor who covers science and technology. He's currently a senior editor at Mechanical Engineering magazine, where he covers bioengineering, energy, engineering that aims to improve health or sustainability, and pretty much any technology that moves.

He's also a contributing editor for Discover magazine, where he previously worked as a senior editor. His award-winning writing has appeared in many national publications, including Discover, Popular Science, Smithsonian, New Scientist, Audubon, Nature Conservancy magazine, Reader's Digest, Women's Health and many other publications. His magazine feature articles have ben anthologized in The Best of Technology Writing and have won several awards.

Dan was also a long-time contributing correspondent for Science magazine, and he is the coauthor, with Paul Epstein, MD, of Harvard Medical School, of Changing Planet, Changing Health, the first book on the human health impacts of climate change. He has spoken about climate change, health and sustainability, and about careers in science writing, at universities, medical centers, and civic groups. He has also taught science writing at Indiana University.

Before launching his journalism career, Dan earned a doctorate in biology from The Johns Hopkins University and conducted research in microbiology at the University of Illinois. In his spare time, he enjoys hiking, biking, reading and t’ai chi. He lives in Jersey City, New Jersey.