Walter Kling


Over the years IAWD has grown into a well recognized position in the Danube region which also raises expectations of members and partners. It is our task to fulfil these expectations jointly with the strong input and support of IAWD members.

Katherine Wagner

Head of office

Philip Weller

Head of Technical Secretariat

Philip Weller is an environmental planner by training and since July 2013 has been serving as the Danube Water Program Coordinator for the International Association of Water Supply Companies in the Danube River Catchment Area (IAWD), administering and managing a joint project together with the World Bank aimed at improving and supporting the efficiency of Danube region water supply and waste water companies.

Mr Weller previously served for 10 years as the Executive Secretary of the (ICPDR) International Commission for the Protection of the Danube River. The ICPDR is the forum for the 14 major Danube countries and the European Commission to implement the commitments they have made under the Danube River Protection Convention.

Mr Weller has worked for the World Wide Fund for Nature (WWF) as Danube Carpathian Program Director and has also managed successful consulting businesses in both Canada and Austria and has done numerous assignments for governments and international organizations.

Mr Weller is author of three books on environmental topics including ‘Freshwater Seas’, an environmental history of the Great Lakes of North America.

Katerina Schilling

Communication and Program Manager 

After earning a master’s degree in Biology with a specialization in freshwater ecology from the University of Vienna, Katerina joined the Vienna University of Technology, Institute for Water Quality, Resources and Waste Management as a Research Assistant where she has been employed. Her work focused on projects dealing with water quality and included lecturing in basic and advanced courses for operators of wastewater treatment plants. She obtained her PhD within the framework of “The Vienna Doctoral Programme on Water Resource Systems” at the TU Wien.

Since 2006 she has also been actively involved in the national and international activities of the International Water Association (IWA) and is a member of the Austrian IWA Governing Member in which she founded the Austrian Young Water Professionals and chaired their activities until December 2014.

Her involvement in the YWP agenda of the IWA World Water Congress in 2008 in Vienna led to her becoming chair of the global IWA YWP Steering Committee and the representative of the YWP on the IWA Board of Directors (BoD). Since 2011 she has also been a member of the IWA Strategic Council (SC) representing Research Institutes.

Anna Maria Koch

Finance, Contract and Procurement Manager

Anna Maria is a finance and administration expert with a substantive experience and knowledge of all aspects of financial administration and budget work, accounting policies and practices. In addition, she has considerable experience in the financial administration of UN/EU/World Bank funded projects, as well as profound knowledge of all procurement processes of third party services in accordance with international guidelines and relevant Austrian regulations and thorough understanding of office procedures and practices in international organizations. 

Before joining the IAWD she has worked as Finance Management Officer in international Organizations in Austria.