Lúdvík’s background is in Engineering Physics, graduating with an MSc from the University of Lund, Sweden in 1975.
In 1975-1989 Lúdvík worked at Orkustofnun – National Energy Authority of Iceland, as a geophysicist and project manager for many geothermal projects in Iceland, with emphasis on development of low-temperature geothermal resources. He became the Deputy Director of United Nations University Geothermal Training Programme (UNU-GTP) in 1990 and the Director in 2013. His work has since focused on geothermal education and training for developing nations. Through his numerous geothermal site visits to nations around the world and participation in conferences and workshops he has a thorough knowledge on developing nations and their status and needs in capacity building and support for geothermal development. He has served at the Board of Directors (BoD) of the International Geothermal Association (IGA) since 2013, and been head of its Education committee.