Katarzyna Ziółkowska is employed at eo Networks S.A., Poland, as an IT analyst. She is designated as the head of the analysis section. Her work focuses on government websites and intranets, corporate business applications and websites. Katarzyna is a specialist in content management systems. She has been working with Liferay Portal since 2010 and has designed various products based on this technology using not only its default functionalities, but also expanding them and designing entirely new modules. Since 2003, her main areas of interest revolved around business process modeling, managing business requirements, understanding user's needs, and designing usable systems. She is also one of the authors who writes on www.liferay-guru.com, where she shares her experience and knowledge on Liferay Portal CMS. Katarzyna is certified in Prince 2 Foundation, Agile Project Management Foundation, and is a Professional Scrum Master. She is also a member of International Institute of Business Analysis. She holds a master's degree in arts in Russian philology from the University of Warsaw, Faculty of Applied Linguistics, Poland.