Robert L. Hirsch is an American physicist who has been involved in energy issues from the late 1960s. Through the 1970s he directed the U.S. fusion energy program at a variety of government positions as responsibility for the project moved from the Atomic Energy Commission to the Energy Research and Development Administration and finally to the Department of Energy. After that time he was a senior energy program adviser for Science Applications International Corporation and is a Senior Energy Advisor at MISI and a consultant in energy, technology, and management.
His primary experience is in research, development, and commercial applications. He has managed technology programs in oil and natural gas exploration and petroleum refining, synthetic fuels, fusion, fission, renewables, defense technologies, chemical analysis, and basic research, for example the Farnsworth-Hirsch fusor.