Rand Simberg is a former project manager with Rockwell International having previously worked at the Aerospace Corporation. At Rockwell, he worked on a number of advanced concepts, including solar power satellites, launch and orbit transfer systems, space tethers, and lunar resource utilization. He has been cited as an expert in space transportation by the (now defunct) Office of Technology Assessment, and has provided key input into a number of space policy reports. He was editor of the Space Activists' Handbook (a publication of Spacepac) for several years. For the past eighteen years, he has been the President of Interglobal Space Lines, Inc., a commercial space entrepreneurial company and consultancy, specializing in low-cost space access and tourism. He has dual degrees in engineering from the University of Michigan (concentrating in astronautics) and a masters in technical management from West Coast University, in Los Angeles. He writes regularly at PJ Media, The New Atlantis, and occasionally at National Review. He blogs regularly amd maintains his own weblog on space policy and a range of other topics at www.transterrestrial.com.  He has also written for Popular Mechanics.