Dr. Thomas K. Tsotsis is a Technical Fellow for Boeing Research & Technology in Huntington Beach, CA in Materials and Structures Technology. He received his Ph.D. in Mechanical Engineering and his M.S. in Chemical Engineering from Texas A&M University in 1989 and 1986, respectively. He received his B.S. in Mechanical Engineering from Washington University in St. Louis, in 1983. Dr. Tsotsis has over 30 years of experience in composite-materials development, testing, and analysis and has mainly been involved in the development of advanced preforming and liquid-molding technologies for composite materials. Dr. Tsotsis has served as the Principal Investigator and/or project manager on multiple CRAD, IAD, and IRAD programs and has supported both BCA and BDS products. He was responsible for the qualification of the first vacuum-assisted resin-transfer molding resin for aerospace for application to the C-17 and 717 and led the development of an interlayer-toughening veil that is being used by Boeing Aerostructures Australia for the moveable trailing edge of the 787 wing, for which he was a member of the team that won the 2008 JEC Innovation Award in Aeronautics and Space. He was also a member of the Technology Scouting & Evaluation group in Boeing’s Global Technology Office. Dr. Tsotsis is leading a project to develop hollow carbon fibers and has been active in the development of high-temperature polymer-matrix composites, novel carbon fibers, nanocomposites, as well as ceramic-matrix composites for thermal-protection systems. Dr. Tsotsis has thirty U.S. patents and over thirty publications in peer-reviewed journals.