Dr. Dennis Hammond, a board-certified plastic surgeon, is one of the world's most recognized and respected authorities in aesthetic and reconstructive surgery of the breast. He has co-edited one of the most influential textbooks in plastic surgery along with his friend and colleague Dr. Scott Spear from Georgetown University in Washington DC. In addition, he has authored numerous book chapters concerning a host of breast related topics in nearly every respected plastic surgery textbook currently in use. He has now also written his own single author textbook, "Atlas of Aesthetic Breast Surgery" first published in 2009. Dr Hammond serves as an associate editor for "Plastic and Reconstructive Surgery," the main scientific journal for plastic surgeons around the world. Dr. Hammond also serves on the editorial board for Annals of Plastic Surgery, and serves as a reviewer for scientific articles for Aesthetic Plastic Surgery, and the Journal of Aesthetic Surgery. He is a member of and serves on numerous committees for the American Society of Plastic Surgeons (ASPS) as well as for the American Society for Aesthetic Plastic Surgery (ASAPS). Dr. Hammond is also a member of the prestigious American Association of Plastic Surgeons. Dr. Hammond is a pioneer in aesthetic breast surgery. He developed and marketed his own tissue expander for breast reconstruction, developed the internationally utilized BodyLogic evaluation system used for implant sizing in breast augmentation, and participated in nearly every known breast implant study since 1990. Dr Hammond also served as the medical director for the Contour Profile Gel (CPG) anatomically shaped cohesive gel breast implant (gummy bear implant) study marketed by the Mentor Corporation, a subsidiary of Johnson and Johnson. Currently his practice focuses on all aspects of both aesthetic as well as reconstructive breast surgery. Dr. Hammond has also developed a particular interest in revisionary breast surgery treating complications from previous procedures.