Dr. Raymond Perrin qualified in 1984 from the British School of Osteopathy in London. Dr. Perrin’s research since 1989 into ME/Chronic Fatigue Syndrome has expanded our knowledge of diagnosis and treatment of complex neurological disease. In July 2005 he was awarded a doctorate by the university of Salford, UK for his thesis on the involvement of cerebrospinal fluid and lymphatic drainage in ME/CFS. Since 2007 he has held the academic post of Honorary Senior lecturer at the University of Central Lancashire, UK and in 2019 was appointed honorary clinical research fellow at The faculty of Biology Medicine and Health at The University of Manchester. In 2015 he joined the international faculty of the German School of Osteopathy (OSD) and teaches osteopathic theory and practice to students in colleges all over Europe and to the medical profession world-wide. His research into ME/CFS and now Long- COVID has been published in major medical journals including The British Medical Journal and the JAOA and has written bestselling books on his protocol ‘The Perrin Technique’ .