Leif Ryd is an orthopaedic surgeon and former Professor at the Karolinska Institute in Stockholm. His clinical areas of expertise consist of degenerative joint disease (osteoarthritis) of the hip and knee, as well as traumatic knee injuries. During his extensive clinical research career, he has focused on various aspects of osteoarthritis, mainly in the knee and within areas such as implant fixation, osteoarthritis etiology and early diagnosis.

Prof. Ryd is the company founder and board member.