Research group leader, primary investigator

Paulina Salminen, MD, PhD, FACS (Hon) is a Professor of Surgery at University of Turku and Turku University Hospital, Finland. She is a surgeon scientist combing high-quality clinical research with continuous clinical work and her main research interests are also her clinical interests – acute care surgery focusing on acute appendicitis and bariatric surgery and acute care surgery. She is the principal investigator of all APPAC randomized trials focusing on the treatment of uncomplicated acute appendicitis and various prospective cohort studies. She is also the PI for a large randomized trial within the field of bariatric surgery comparing sleeve gastrectomy and gastric bypass (SLEEVEPASS) in the treatment of morbid obesity. She is the past president of the Finnish Surgical Society, the current president of Finnish Bariatric Surgery Society and an executive board member of the International Federation for the Surgery on Obesity and related disorders (IFSO). She is the Editor-in-Chief of Scandinavian Journal of Surgery and an editorial board member of JAMA Surgery and British Journal of Surgery. She has been appointed as a member of European Surgical Association (ESA) in 2019 and in 2022 she received the honorary fellowship of the American College of Surgeons.

Post-doctoral researchers

Haijanen Jussi

MD, PhD, Specialist physician, Division of Digestive Surgery, Turku University Hospital, Turku, Finland


Lietzen Elina

MD, PhD, Assistant Chief of Surgery, Specialist physician, Division of Digestive Surgery, Turku University Hospital, Turku, Finland

Sippola Suvi

MD, PhD, Surgical Resident at HUS Helsinki University Hospital, Helsinki, Finland

Research group surgeons

Grönroos Juha, MD, PhD

MD, PhD, Professor and Chief of Surgery (incl. Gastroenterological Surgery, Urology, Vascular Surgery, Cardiothoracic Surgery, Plastic Surgery and General Surgery) Turku University Hospital, Turku, Finland

Rautio Tero, MD, PhD
MD, PhD, Professor and Chief of Gastroenterological Surgery, Oulu University Hospital, Oulu, Finland

Mäkäräinen Elisa
MD, PhD, Specialist physician, Division of Gastroenterological Surgery, Oulu University Hospital, Oulu, Finland

Nordström Pia
MD, PhD, MBA, Head of the Operative Department, Chief Physician of Surgery, Tampere University Hospital, Tampere, Finland

Laukkarinen Johanna
MD, PhD Professor and Chief of Gastroenterological Surgery Tampere University Hospital, Tampere, Finland

Rantanen Tuomo,
MD, PhD, Professor of Surgery Kuopio University Hospital, Kuopio, Finland

Mika Ukkonen
MD, PhD, Specialist physician, Division of Gastroenterological Surgery, Tampere University Hospital, Tampere, Finland

Paajanen Hannu
MD, PhD, Specialist physician, Mikkeli Central Hospital, Mikkeli, Finland

Sävelä Eeva-Liisa, MD
MD, PhD, Specialist physician, Pori Central Hospital, Pori, Finland

Mattila Anne, MD, PhD
MD, PhD, Specialist physician, Jyväskylä Central Hospital, Jyväskylä, Finland

Mrena Johanna

MD, PhD, Specialist physician, Jyväskylä Central Hospital, Jyväskylä, Finland

Pinta Tarja
MD, PhD, Specialist physician, Seinäjoki Central Hospital, Seinäjoki, Finland

Helminen Heli
MD, PhD, Chief of Gastroenterological Surgery, Seinäjoki Central Hospital, Seinäjoki, Finland

PhD students

Lund Heidi
MD, PhD student, University of Turku, Turku, Finland

Suominen Saku

MS, PhD student, University of Eastern Finland, Kuopio, Finland

Sula Sami

MD, PhD student, specialising physician, University of Turku, Turku, Finland

Salminen Roosa

MS, PhD student, University of Oulu, Oulu, Finland

Alajääski Jenny

MD, PhD student, University of Turku, Turku, Finland

Turku University Biostatistics

Hurme Saija, MSc, group statistician
Biostatistician, MSc., Doctoral researcher

Department of Biostatistics and Department of Surgery, University of Turku, Turku, Finland

Löyttyniemi Eliisa

MSc, Biostatistician at University of Turku, Turku, Finland

Turku University Hospital Infectious diseases

Marttila Harri

MD, PhD, Specialist physician, Turku University Hospital, Turku, Finland

Turku University Hospital Radiology

Virtanen Johanna, MD, PhD

MD, PhD, Specialist physician, Turku University Hospital, Turku, Finland

Tammilehto Ville

MD, Specialist physician, Turku University Hospital, Turku, Finland

Research nurses