Dr Tullus is a consultant Paediatric Nephrologist at Great Ormond Street Hospital for Children in London. He graduated at the Karolinska Institute, Stockholm and got his medical training in Stockholm, Sweden where he also made his PhD. He worked as a Paediatrician and Paediatric Nephrologist in Sweden, close to thirty years and in London since 2002.

His main clinical interests are inflammatory diseases like lupus and renal vasculitis, hypertension and UTI. He has tutored 5 PhD students and written more than 250 scientific papers and reviews.