Dr Tadej Avcin is Head of Department of Allergology, Rheumatology and Clinical Immunology at the Children’s Hospital, University Medical Centre Ljubljana (Slovenia) and Professor of Paediatrics at the University of Ljubljana, Faculty of Medicine (Slovenia). He studied medicine and paediatrics at the Faculty of Medicine, University of Ljubljana (Slovenia) and completed fellowship in paediatric rheumatology at the Hospital for Sick Children, University of Toronto (Canada).

Fabio Candotti is Full Professor of Medicine at the University of Lausanne and Head Physician in the Division of Immunology and Allergy of the Lausanne University Hospital, in Lausanne, Switzerland. He received his MD from the University of Brescia (Italy) and completed his residencies in Paediatrics and Paediatric Allergy and Immunology at the Universities of Pavia (Italy), and Brescia (Italy), before joining the National Institutes of Health in the USA as a postdoc in the field of gene therapy.

Rosalind Fisher was elected as President of INGID in 2022 and has been a member of the INGID Board since 2016.  She has many years of experience providing specialist care for immunodeficient patients and has experience in intensive care and neurology/neurosurgery. She is committed to expanding the reach of INGID and strengthening its reputation as a leading organisation in immunology nursing. 

Prof Martin van Hagen is an internist-immunologist at the Department of Internal Medicine, Head of the Clinical Immunology Unit at the Erasmus Medical Centre in Rotterdam, staff member of the Rotterdam Eye Hospital and currently visiting professor of Chulalongkorn University Bangkok Thailand. Prof van Hagen received his medical training at Erasmus Medical Centre in Rotterdam, doing his research training in the Department of Immunology and the Department of Internal Medicine.

Bruce Lim is the Chairperson and co-founder of the Malaysian Patients’ Organisation for Primary Immunodeficiencies (MYPOPI) and the Vice-President of IPOPI. He is also the owner of Modern Engineering Solutions Sdn. Bhd. in Malaysia. Bruce’s personal connection to primary immunodeficiencies (PID), through his son who is affected with X-linked Agammaglobulinaemia, led him to establish MYPOPI in 2014.

Dr Nizar Mahlaoui is a paediatrician specialising in immuno-haematology at Necker-Enfants Malades University Hospital in Paris, France. He manages the French National Reference Center for Children and Adults with Primary Immune Deficiencies. He trained under the supervision of Prof Alain Fischer and Jean-Laurent Casanova, giants in the field of PID. He has a particular interest in epidemiology of PID and natural history studies of PIDs.

Dr Lorena Regairaz is paediatrician and clinical Immunologist. She earned her medical degree in 1996 at the National University of La Plata, Argentina. She completed her Paediatric residency in 2000 and her Internal Medicine residency in 2004, in Hospital de Niños Sor Maria Ludovica La Plata. She did Paediatric Immunologist residency during the next 6 years in Hospital Ricardo Gutierrez.

Dr Elizabeth Rivers is a paediatric immunologist working at Great Ormond Street Hospital in London. After completing her medical degree in Cardiff (Wales, UK) in 2009, she commenced specialist clinical paediatric training in London (UK) in 2011.

Prof Anna Sediva has a long time experience as a paediatrician working at all levels of pediatric care, from a local hospital to University affiliated specialised centers. Her further practice in immunology includes internships abroad from 1992 to 1995 at New York Medical College in NY, USA and further as the Fulbright scholar in University of Chapel Hill, North Carolina, USA, in 2001.

Dr Nizar Mahlaoui is a paediatrician specialising in immuno-haematology at Necker-Enfants Malades University Hospital in Paris, France. He manages the French National Reference Center for Children and Adults with Primary Immune Deficiencies. He trained under the supervision of Prof Alain Fischer and Jean-Laurent Casanova, giants in the field of PID. 

Prof Alain Fischer obtained his medical degree (pediatrics) in 1979, then professor of immunology at Paris Descartes University and 1991 director of an INSERM unit. He was head of the “Pediatric Immunology and Hematology” unit at the Necker Hospital from 1996 to 2012. In 2002, he was elected full member of the Academy of Sciences and in 2011 of the Academy of Medicine.

Dr Steven Holland, M.D., is the Director of the Division of Intramural Research (DIR) of the National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH). Prior to becoming Director, DIR, NIAID, Dr. Holland served NIAID as Chief of the Laboratory of Clinical Infectious Diseases (LCID). Dr Holland continues to lead a program in NIAID as chief of its Immunopathogenesis Section in the Laboratory of Clinical Immunology and Microbiology.

Prof Klaus Warnatz is a Senior Physician, Head of Division of Immunodeficiency, Department of Rheumatology and Clinical Immunology and Centre for Chronic Immunodeficiency (CCI), University Medical Centre Freiburg, Germany.