Ruikang K. Wang, PhD, is a professor of bioengineering at the University of Washington. A fellow of the Optical Society of America, Dr. Wang has authored or co-authored more than 200 peer-reviewed journal articles, one book on optical information processing, and 12 book chapters. His research interests include biophotonics and imaging, optical coherence tomography, optical microangiography, and their applications in neurology, ophthalmology, dermatology, and cancer.

Valery V. Tuchin, PhD, holds the Optics and Biophotonics Chair and is a director of the Research-Educational Institute of Optics and Biophotonics at Saratov State University. He is also head of the Laboratory on Laser Diagnostics of Technical and Living Systems at the Russian Academy of Science's Institute of Precise Mechanics and Control and a Finland Distinguished Professor in the Optoelectronics and Measurement Techniques Laboratory at the University of Oulu. A SPIE fellow, Dr. Tuchin has authored numerous books and more than 300 peer-reviewed papers. His research interests include biophotonics, biomedical optics and laser medicine, and physics of optical and laser measurements.