Daniel Gillies is an aerospace engineer with over 17 years of experience in systems engineering, program management, mission management and operations across a variety of spacecraft, launch vehicle and airborne systems. While currently serving at NOAA as the Deputy Program Systems Engineer for the GOES-R and GeoXO Programs based at NASA Goddard, Daniel has provided systems engineering and integration support for spacecraft ranging from 1/4U cubesats to multi-ton geostationary spacecraft and commercial lunar landers. Daniel’s experience includes work with mission platforms and program offices from organizations including United Space Alliance (ISS and Space Shuttle), Boeing (Space Shuttle, CH-47 and 787), SpaceX (Falcon 9, Falcon Heavy and Dragon V1), Spaceflight Industries (SSO-A), Rocket Lab (Electron), World View (Stratocraft), USRA/NASA (SOFIA), Astrobotic (Griffin) and Bryce Tech/NASA HQ (Small Spacecraft Technology and Flight Opportunities Programs). As the author of numerous payload interface control documents, Daniel greatly appreciates the difficulty posed in the current TechLeap Challenge!