The ISI Permanent Office


The ISI Permanent Office (PO) is located on the premises of Statistics Netherlands in The Hague - Leidschenveen. With 6 staff members and 1 volunteer, the Permanent Office serves the ISI members, the ISI Executive Committee and Council and the ISI Associations and Committees.


Staff of the ISI Permanent Office


Ada van Krimpen


As Director of the ISI, Ada is responsible for the management of the Permanent Office and she is the Executive/Treasurer of the ISI and Secretary to the Executive Committee and Council. The Director is responsible for implementing the decisions and policies of the Institute as determined by the Executive Committee and Council.

The Director is also the Executive Secretary of Bernoulli Society, ex–officio member of the Executive of the IASE and the Treasurer of the IAOS.

Shabani Mehta


Shabani is the Operations Manager/Assistant Director and the liaison for the ISI Associations. She is the focal point for the ISI World Statistics Congresses and the funding opportunities for developing country participants. Shabani is the contact point for various ISI Committees, Editor of the website and she holds the secretariat for the ISI Executive Committee, Council and General Assembly.

Liliana Happel


Liliana is the Administrative/Editorial Project Officer at the ISI. The ISReview and Short Book Reviews are among her responsibilities. Liliana is also the contact point for the ISI Publications Committee, the Nominations Committee as well as the Elections Committee. Liliana manages the applications for ISI membership through the application procedure. Finally, Liliana is assisting the Director with staff matters.

Justin van der Veeke

Justin van der Veeke

As the ISI Webmaster, Justin takes care of the development and management of the ISI website and the Associations' websites that are hosted by the ISI. Justin is also the graphic designer for various ISI publications. For sending out a large mailing to ISI Association members, Justin is the person to address.

Michael Leeuwe


Michael is the Finance Manager of the ISI. Michael’s job is to keep track of the ISI and Associations’ finances, the accounting and reporting to the Executives and Councils, and the electronic payment system. Michael organises the yearly invoicing of the ISI and Association members and the registration of the payments. You may contact Michael for all your questions related to the Associations’ finances and reports.

Margaret de Ruiter-Molloy


Margaret is the Membership Officer, she manages the ISI and Associations memberships.  The maintenance of a good membership database is an accurate job and she is responsible for having the database prepared for such actions as invoicing, as well as making selections to show the status of ISI and Association memberships.  She liaises with publishers regarding the ISI journals that accompany memberships, hardcopy and online versions.  Please contact Margaret for general information or specific overviews of the ISI Associations.

Gerrit Stemerdink


Gerrit is a volunteer working part–time at the PO since 1994. Among other tasks, Gerrit assists the Permanent Office with maintaining specific information about membership, like e–mail addresses.

Gerrit is also advising the Director on developments for the ISI Website and historical publications.


Interns Interviews

Read about the experiences of Ms. Seungjin Lee and Ms. Souhee Lee, who worked in the ISI Permanent Office for 4 weeks in 2012.


Services of the Permanent Office

A brief overview of the services the Permanent Office might provide:

  • Administration of ISI and Associations’ membership data and membership fees

  • Providing up–to–date information through the ISI website (isi– and news features

  • Hosting and updating of websites of Associations

  • Assistance with editing and lay–out of publications

  • Administration of publication’s subscriptions

  • Assistance in preparing conferences, courses, etc.

  • Safe electronic payment for membership fees

  • Assistance in liaising with publishers

  • Providing information about and contacts with National Statistical Societies and international organisations