**About the Editor**

#### **Jorma Ryh ¨anen**

Jorma Ryhanen is the head of hand surgery at Helsinki University Hospital. He is also an adjunct ¨ professor of hand surgery. Dr. Ryhanen received his M.D. degree from The University of Oulu in 1989. ¨ He is qualified as a specialist in surgery and later as a specialist in hand surgery (2000). He became a doctor of medical sciences in 1999 (Dr.Med., Ph.D.). Further, he received a position as an adjunct professor of hand surgery (University of Oulu, 2003) and also a position as an adjunct professor of biomaterial engineering (Institute of Biomaterials, Tampere University of Technology, 2004).

Dr. Ryhanen has been a board member of the examiners of qualifications in hand surgery ¨ in Finland during the years between 2001–2022. He has been a responsible supervisor of over 20 graduated hand surgery registrars. He has been in charge of hand surgery teaching at University of Oulu (2000-2011) and the University of Kuopio (2004-2009). Since 2017, he has been a responsible person for the teaching of hand surgery and training programs at the University of Helsinki. Significant positions Dr. Ryhanen has held in scientific societies include the Finnish Society for ¨ Surgery of the Hand (member 1997-, board member 2000-2006, Chair 2007-2009) and the Finnish Society of Surgery (board member 2006-2009). He is a Finnish delegate of FESSH (Federation of European Societies for Surgery of the Hand). He has been a permanent medical expert in the National Supervisory Authority for Welfare and Health and a permanent medical expert in The Finnish Patient Insurance Centre for several years.

Dr. Ryhanen is a member of the Finnish Medical Association (FMA) and the Finnish Society of ¨ Surgery and is a past president of the Finnish Society for Surgery of the Hand (FSSH). He is also a member of the FESSH (European), ASSH (American), and SSSH (Scandinavian) societies. The scientific interests of Dr. Ryhanen are focused around several fields of hand surgery, biomaterials, ¨ epidemiology, and artificial intelligence solutions in hand surgery. He has been a writer or co-writer in a tremendous amount of original articles, several books, and other publications in the field.

He has been a supervisor or opponent of several doctoral dissertations and other academic theses.

Dr. Ryhanen has participated in numerous meetings as course chair, faculty, and moderator. He ¨ has been an invited lecturer in several countries worldwide and continues to be active as a scientific reviewer (and editor) of various journals. The clinical practice includes every field of hand surgery (trauma and reconstructive surgery, plexus, toe transfers, etc.). Still, his main interest is focusing on hand transplantation surgery, and there is an ongoing project on this in his hospital. Among other duties, Dr. Ryhanen will be the president of the FESSH (Federation of European Societies for Surgery ¨ of the Hand) meeting in Helsinki in 2025.

#### *Editorial*
