Management team

Peter Reiss


Peter Reiss klein.jpgPeter Reiss is Professor of Medicine at the Academic Medical Center in Amsterdam, the Netherlands, where he holds a joint appointment in the Department of Global Health and the division of Infectious Diseases.

Peter Reiss has been Director of the Netherlands HIV Monitoring Foundation since 2013. He serves on the Scientific Advisory Boards of the Agence Nationale de Recherches sur le Sida et les hépatites virales (ANRS) and the Swiss HIV Cohort Study. He has been a member of the Steering Committees of the D:A:D study, the Antiretroviral Therapy Cohort Collaboration and the EuroSida Study, and one of the four rotating scientific coordinators of EuroCoord. He also is a member of the UNAIDS Scientific Expert Panel and Strategic and Technical Advisory Committee, advising the UNAIDS Executive Director.

Dr. Reiss is clinical HIV section editor for Antiviral Therapy and editorial board member of a number of several other journals. He has served as President of the European Aids Clinical Society (EACS) from 2008-2012 and currently is a member of EACS’s Governing Board. From 2006-2014 he served on the Governing Council of the International AIDS Society (IAS). He currently serves as co-chair of the 22nd International AIDS Conference, AIDS 2018, scheduled for July 2018 in Amsterdam. His research focuses primarily on the complications of HIV and HIV treatment, and more particularly in relation to ageing


Sima Zaheri

Deputy director

Sima.jpgSima Zaheri has been working at Stichting HIV Monitoring (SHM) since it was set up in 2002 and has been deputy director since June 2017. In the years prior to becoming deputy director, Sima was the manager of SHM’s data and QC unit and part of the management team. Sima studied medical biology at the University of Amsterdam and, since 2002, has focused on setting up and driving the systems for data collection, data processing, quality improvement and quality maintenance. As deputy director, Sima plays an active role in forming SHM’s strategy.

On behalf of the director, she is responsible for the day-to-day implementation of this strategy in terms of data & QC, human resource management, finance and control, and organisation and data security, and drives various organization-wide operational management processes. Sima works closely with the HIV-treating physicians, researchers, nurse consultants and others who use SHM’s data in the 26 HIV treatment centres in the Netherlands to ensure that important developments in the HIV and AIDS field are translated into processes, and to monitor the quality and efficiency of these processes on an ongoing basis. Within this context, Sima has managed several innovation and improvement projects. 


Ard van Sighem

Senior Researcher

Ard.jpgArd's research at Stichting HIV Monitoring involves investigating the course and the changes in the HIV epidemic in the Netherlands from the early 1980s until the present day. To achieve this, Ard uses mathematical modelling as a tool to analyse the relevant data in the ATHENA cohort (the database maintained by Stichting HIV Monitoring) and other national data sources. Ard is currently studying the HIV epidemic in various at-risk groups, looking at how these groups have changed over the course of time and and how interventions would act on the future course of the epidemic.

He is also interested in the more patient-specific side of the HIV epidemic. In particular, Ard is collaborating with cohorts from other countries to investigate changes in causes of death in people living with HIV.

Lastly, Ard works together with the European Centre for Disease Control and Prevention to estimate the size of the population of people living with HIV, including those as yet undiagnosed, in Europe, and on nationwide and regional levels.  

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