Dr. Salvador Gonzalez, accredited Full Professor by the Quality and Accreditation Evaluation Spanish Agency, serves as Associate Professor of Medicine Department at Alcala University in Madrid, Spain and Visiting Faculty Member in the Dermatology Service at the Memorial Sloan-Kettering Cancer Center in New York, USA. Dr. Gonzalez also joined the faculty of the Dermatology Department at Harvard Medical School, Boston for over 10 years. Dr. Gonzalez research interests focused on skin cancer chemoprevention, photoprotection and optical diagnoses. His scientific contribution has a hirsch factor of 29, a total number of citations of 2,421 and an accumulated total impact factor of 390.933. He leads systemic photoprotection and non-invasive optical diagnosis. To this end, he was the founder and is the President of the International Confocal Group. His research work has been recognized by various US institutions and societies (Skin Cancer Foundation; National Institutes of Human Resources, among others), and has resulted in over 200 peer-reviewed papers, and over 30 book chapters, being the Editor of three books which have contributed to spreading his scientific knowledge and expertise throughout the medical community.