Sergio Vallejo, began to work for the IWRA in 2005 when the association VERSeau Développement was charged to organise and implement the IWRA’s 2008 World Water Congress in Montpellier, France. He implemented, responding to the congress’ NOC and ISC member needs, the online congress content management system (CMS): website, account creation, personnel space, abstract submission, ISC online evaluations, regular and special sessions programming.

Afterwards, he implemented the first IWRA’s online member management system: member space by categories, groups, projects, online payment and invoices, documentation. He implemented, develops and adminstrates the IWRA’s congress proceedings platform where abstracts, papers, poster and oral presentations of congresses since 2003 can be consulted. Today, Sergio, continues to work with the IWRA’s Executive Office as webmaster and database consultant.