Berufliche Tätigkeiten:

• seit 2022: Senior Professor Department of Rheumatology, HHUD (Heinrich-Heine-University Düsseldorf)
• seit 2022: Hiller SLE Research Group, chair
• seit 2022: German Lupus Foundation, chair
• seit 2002: Chair DGRh Committee “Guidelines”
• seit 1994: Steering committee member of the European Lupus Erythematosus Federation, now Lupus Europe; Full Professor of Internal Medicine and Rheumatology, Head of Rheumatology, Heinrich-Heine-University Düsseldorf (HHUD), DGRh Advisory Board
• seit 1992: Head of Multipurpose Arthritis Center (sponsored by the German Minister of Health) Münster 1992–1994; Rhein-Ruhr since 1994
• Coordinator of the Committee of “Diagnosis- and Therapy-Guidelines
• 2017-2018: 1st President European Lupus Society, 2019 – 2020 Vice-president
• 2017-2020: Advisor of DGRh chairboard
• 2016–2017: DGRh Secretary
• 2015-2022: Director Hiller Research Unit, HHUD
• 2013–2014: President of DGRh, 2012/12 % 2015/16 Vice-president
• 2012-2022: Director Policlinic of Rheumatology, HHUD
• 2006–2020: Dean for Medical Education (Clinics), HHUD
• 2002–2010: Chair of the German Cooperation Multipurpose Arthritis Centers
• 1999–2006: Coordinating Committee “Kompetenznetz Rheuma”
• 1996-2016: DGRh Committee “Pharmacotherapy”
• 1988–2012 Steering committee of the German Lupus Erythematosus Selfhelpgroup
• 1988–1994 Consultant Medical Clinic of Gastroenterology, Endocrinology, Rheumatology and Infectious Diseaseses, Westphalian-Wilhelms-University Münster

Ausbildung und Zusatzqualifikationen:

• 2016: Qualification in Balneotherapy
• 1994: Qualification in Endocrinology
• 1991: Qualification in Physical therapy
• 1989: Qualification in Rheumatology
• 1989: Venia legend for Internal Medicine
• 1988: Qualification in Internal Medicine
• 1982-1988: Residency Medical Clinic of Gastroenterology, Endocrinology, Rheumatology and Infectious Diseases, Westphalian-Wilhelms-University Münster
• 1980: Approbation
• 1974-1980: Medical school, Westphalian-Wilhelms-University Münster