Dr Kelvin F Long is an Aerospace Engineer and Astrophysicist, a Chartered Member of the Institute of Physics, a Fellow of the British Interplanetary Society, the former Chief Editor of its journal, The Journal of the British Interplanetary Society. He previously worked as a physicist with the UK Ministry of Defence and, in this capacity, worked with the United States Los Alamos National Laboratory and the Lawrence Livermore National Laboratory. He has also presented at every NASA centre in the United States as well as to the European Space Agency, and has served as a consultant to the USAF and the broader aerospace industry. He has published many papers in peer-reviewed journals about interstellar studies, and in particular relating to advanced space propulsion. He has been involved in many interstellar projects including the BIS Project Icarus, the Breakthrough Initiatives Project Starshot, the Johns Hopkins Applied Physics Laboratory Interstellar Probe Decadal study, and an International Academy of Astronautics study into an interstellar precursor probe that went beyond the Voyagers. He is the current lead for the Interstellar Research Centre and the UK aerospace consultancy company Stellar Engines.