Alide Heleen Leontine Mulder is laboratory specialist in clinical chemistry and medical immunology at Medlon BV, The Netherlands. She is associated with the medical staff of Ziekenhuis Groep Twente in Almelo and Hengelo. She received a MSc in molecular life sciences at Wageningen Agricultural University in 1989 and a pHD in medicine in 1993 at the University of Groningen. After a post-doc at rheumatology in the University Hospital in Groningen, she became a medical immunologist in 1997 and a clinical chemist in 2003. Since 2003, she has worked at Medlon and Ziekenhuis Groep Twente. Research interests include diagnostics in autoimmunity and laboratory quality. She is a member of the Dutch College of Immunologists and the Dutch society of Clinical Chemists. In 1991, she received the EULAR Young Investigators Award.