Jeffrey Perkel has been a scientific writer and editor since 2000, when he left academia to join the staff of The Scientist magazine as a Senior Editor for Technology. He holds a PhD in Cell and Molecular Biology from the University of Pennsylvania, and did postdoctoral work at the University of Pennsylvania and at Harvard Medical School. Specializing in lab technologies and methods, Jeffrey has been a freelance writer since 2006. His clients include the American Chemical Society, Biocompare.com, BioTechniques, Nature, Nature Biotechnology, Science, and The Scientist.