Administration and Membership

Business meetings of SEDI are held approximately once a year in conjunction with a SEDI Symposium or the IUGG General Assembly. At these meetings, which are open to all interested participants, reports of SEDI-related scientific activities are presented and decisions are made concerning projects to endorse or scientific symposia to be organized.

SEDI is guided by an Executive Committee, headed by a Chairman, a Vice Chairman and a Secretary General. The officers and committee members are chosen at open business meetings held at the quadrennial IUGG General Assemblies. The terms of these three offices is for four years, with the current term running from 1 September, 2015, through 31 August, 2019. The officers for the present term are Chairman Jonathon Aurnou (UCLA, USA), Vice Chairman Tine Thomas (U Muenster, Germany), and Secretary General Michael Bergman (Simon's Rock College, MA, USA).  Membership in SEDI is informal; it is sufficient to send an email message, containing your name and address and an expression of interest to become a member of SEDI, to the secretary at or SEDI presently has about 550 members. The secretary of SEDI maintains an email list for the purpose of scientific exchange only. 


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