Sadegh Roshan, speech, language and swallowing specialist, graduate of medical sciences in Tabriz and Babol, member of the Rehabilitation Committee of the Ministry of Health, Medicine and Medicine, member of the board of directors of the Iranian Speech Therapy Scientific Association, head of the technical and international committee of the Iranian Speech Therapy Association, representative of the Iranian Speech Therapy Association in the Piranshahr Speech Therapy Association, member of the board of directors of the Iranian Speech Therapy Association of Imam Piranshahr Hospital, member of the European Association of Swallowing Disorders, member of the European Association of Swallowing Disorders, member of the Iranian Medical System Organization, member of the Scientific Association Iranian speech therapy, member of Iranian Red Crescent society, director of Pirlovo-speech therapy and international speech therapy clinic. Rehabilitation courses at the International Institute of NLP, director of the speech therapy department of Bahouz Rehabilitation and Rehabilitation Institute, Erbil, Kurdistan, Iraq from 2018 to 2020, director and technical officer of Rozhina rehabilitation center for hearing-impaired children in Piranshahr city, 1997 Rashad Department, Piranshahr, Piranshahr, He Repich Autism Rehabilitation Center, Omid Urmia. The head of the speech therapy department of Hamiyar Piranshahr Mentally Handicapped Educational and Rehabilitation Center in 1997 see more...