GORDANA VUNJAK-NOVAKOVIC, PhD, is Professor in the Department of Biomedical Engineering at Columbia University, New York. She is the author of more than 125 papers and twenty-five book chapters on biotechnology, biomechanics, orthopedics, and tissue engineering.

R. IAN FRESHNEY, PhD, is Senior Research Fellow in the Centre for Oncology and Applied Pharmacolgy at the University of Glasgow. He is the author or editor of numerous books and a world-renowned expert on cell culture technique.