Aamir Ahmad, PhD, is a Scientist at the Wayne State University School of Medicine Department of Pathology and the Karmanos Cancer Institute, with over 100 published scientific articles in peer-reviewed journals and many book chapters. He has been a member of leading cancer organizations such as American Association for Cancer Research (AACR, Philadelphia, USA) and International Union against Cancer (UICC, Geneva, Switzerland). In addition to serving as a reviewer for a number of peer-reviewed scientific journals, he is currently a Section Editor for the journal PLoS ONE responsible for policy drafts for the journal and identification and management of special issues. In addition to the current volume, Dr. Ahmad has worked with Springer to edit two more volumes, Breast Cancer Metastasis and Drug Resistance and Lung Cancer and Personalized Medicine: Current Knowledge and Therapies.Shirish M. Gadgeel is a Professor in the Department of Oncology at Karmanos Cancer Institute/Wayne State University in Detroit. He is also the co-leader of the Molecular Therapeutics Program of Karmanos Cancer Institute and the Leader of the Multidisciplinary Thoracic Oncology team. He is a member of several professional societies, including the American Society of Clinical Oncology and the International Association for the Study of Lung Cancer. He currently serves on the Editorial Board of the journals Cancer and Clinical Lung Cancer. Dr. Gadgeel has been and is a Principal Investigator of several trials focused on the treatment of Lung Cancer. He has over 80 peer reviewed publications.