Ulf is a Senior consultant surgeon, specializing in colorectal surgery, laparoscopic and robotic surgery, Dept of Surgery, Danderyd’s Hospital, Stockholm, Sweden.

He is Research group leader, Department of Clinical Sciences, Karolinska Institutet, Stockholm, Sweden. He is an experienced surgeon having completed more 5000 surgical procedures. His research has focused on Impact of ERAS on peri-and post-operative outcomes, perioperative interventions, glucose metabolism and surgery, robotic surgery and its impact on surgical outcomes, microbiota and psychiatric outcomes and microbiota and gastrointestinal disease. He has been lead author of lead of international ERAS guidelines, Board member and head of research design in SWERAS® RAS (Swedish ERAS® Society). He holds many national positions including Chairman: Scientific and Care program of colorectal cancer, region Stockholm-Gotland, Sweden, Expert surgeon, the Swedish council for national medical knowledge management (NPO) and Member of the executive committee, National program for colorectal cancer in Sweden.