Ms. Andrzejewska has the overall responsibility for the Stockholm Water Prize's logistics and supports the SIWI World Water Week for events and awards ceremonies.

Ms. Katarina Andrzejewska has been working at SIWI since 1997. She has served the Scientific Programme Committee as its secretary until 2011. Ms. Andrzejewska has had the overall responsibility for the World Water Week’s logistics and its Secretariat. As of 2012, Ms. Andrzejewska is responsible for all social events of the World Water Week, the Stockholm Water Prize Ceremony and the Royal Banquet and the Stockholm Industry Water Award Ceremony. She administers the Nominating Committees of these two prizes. Katarina is also responsible for the logistics of the VIP seminars (Stockholm Water Prize Seminar, Founders Business Seminar and more) arranged during the World Water Week in Stockholm on the yearly basis.