Anders Troelsen is a professor of Orthopaedics at the Copenhagen University Hospital in Hvidovre, Denmark. He serves as a senior consultant performing knee and hip arthroplasty. He has a particular focus on individualizing the treatment of knee osteoarthritis based on wear patterns by means of unicompartmental knee arthroplasties. In his current practice 2 of 3 patients receive a unicompartmental knee arthroplasty.

In the past years, Anders Troelsen cooperated on publishing more than 270 peer-reviewed papers in national and international journals. In the recent literature he has contributed to an increased understanding of the benefits of unicompartmental knee arthroplasty and how to optimize outcomes.

In 2025 Anders Troelsen is the president of the European Knee Society (EKS).