Network of Medical Experts

MD, PhD, Assoc. Professor
Helena Litorp
Helena Litorp (MD, PhD, Assoc. Professor) is CTC’s Chief Medical Officer (CMO) and has a background as a specialist physician in obstetrics/gynecology and associated professor in global health. She has 15+ years of experience from clinical work, education, supervision, and international research collaboration.

MD, PhD candidate
Erik Rein-Hedin
Erik Rein-Hedin (MD, PhD candidate) is CTC’s deputy Chief Medical Officer (dCMO) and has been with CTC since 2016. Erik has acted as principal investigator and co-investigator in 100+ clinical trials in all clinical phases but is mainly dedicated to Phase I trials in healthy volunteers, including first-in-human.

MD, PhD
Johan Nilsson
Johan Nilsson (MD, PhD) is a resident physician specializing in clinical pharmacology and has been working with CTC since 2020. He has experience as principal investigator and co-investigator in more than 50 clinical trials in all phases, including First-in-Human (FIH).

MD
Björn Schultze
Björn Schultze (MD) is a resident physician in general medicine. He has been with CTC since 2022 acting as principal investigator and co-investigator in several early phase trials, including first-in-human trials.

MD, PhD
Mingyan Hou Hallen
Mingyan Hou Hallen (MD, PhD) is a specialist physician in general medicine and has been working as principal investigator and co-investigator at CTCs’ GoCO site since 2023. She has 10 years research experience from both academia and industry. Mingyans’ interest is especially within endocrinology, pulmonary medicine and cardiovascular disease.

MBBS, MD, PhD candidate
Khalid Abd-Elaziz
Khalid Abd-Elaziz (MBBS, MD, PhD candidate) is a specialist physician in clinical pharmacology and joined CTC Netherlands in 2024. Khalid has been principal and co-investigator in 80+ early phase clinical trials and is an all-round clinical pharmacologist with focus on design, execution, supervising, analysing, monitoring and reporting of clinical trials in healthy volunteers and patients. Khalid has especial interest in first-in-human and high risk phase I and phase II studies.

MD, PhD, Associate professor
Håkan Walfridsson
Håkan Walfridsson (MD, PhD, Assoc.professor) is a senior consultant and associate professor in cardiology. He has over 40 years' clinical experience in cardiology with a special interest in arrhythmias and has been performing catheter ablations since the introduction of this technique.

MD
Kaveh Azizi
Kaveh Azizi is a specialist physician in cardiology and internal medicine. He has a broad interest in the cardiovascular field with a special interest in arrhythmias and atrial fibrillation. Kaveh works since 2023 primarily at CTC’s Karolinska site as principal investigator and sub-investigator and has a particular focus on late-phase clinical trials.

MD, PhD, Professor
Dag Nyholm
Dag Nyholm is a specialist physician in neurology and professor of neurology at Uppsala University. His research is mostly focused on movement disorders – especially optimization of treatments in Parkinson's disease, but also cervical dystonia, essential tremor, Huntington's disease and normal pressure hydrocephalus.

MD, PhD
Jian Fransén
Jian Fransén (MD, PhD) is a board-certified specialist physician in general surgery and has been with CTC since March 2020. His clinical interests range from wound healing and surgical devices to cancer diagnosis and treatment of gastrointestinal diseases.

MD, PhD
Marcus Hjort
Marcus Hjort (MD, PhD) is a board-certified specialist physician in cardiology with a broad clinical interest in the field of cardiovascular disease, although with a particular focus on primary and secondary prevention.

MD, PhD, Assoc. Professor
Fredrik Huss
Fredrik Huss (MD, PhD, Assoc. Professor) is a senior consultant and associate professor in plastic surgery. Fredrik is Director of Uppsala Burn Center and the Tissue Establishment at the Department of Plastic and Maxillofacial Surgery, both at Uppsala University Hospital.

MD, PhD candidate
Hjalmar Flygt
Hjalmar Flygt (MD, PhD) is a specialist physician with broad experience in internal medicine, currently specializing in hematology. Clinically, he works with benign and malignant hematological diseases and bone marrow transplantations.

MD
Sonja Jonsson
Sonia Jonsson (MD) is a specialist physician in general medicine. Since 2023, she works as a principal- and co-investigator mainly in phase II and III clinical trials at CTC’s MTC site in Uppsala.

MD, PhD, Professor
Folke Sjöberg
Folke Sjöberg (MD, PhD, Professor) is a senior consultant in anesthesiology/intensive care and a professor of intensive care and burn surgery. Folke has 40 years of experience within his field of expertise and has served as primary investigator in 250+ clinical trials, ranging from phase I-IV.

Anaesthesiologist, medicine physician
Cornelia Lif-Tiberg
Cornelia Lif-Tiberg is a board-certified anaesthesiologist and intensive care medicine physician with extensive experience in the pharmaceutical industry, encompassing roles in both Sponsor organisations and contract research organisations (CROs).