Marlena Kryściak-Sitkowska
Director Transformation, OptiBuy – a WNS Company
Director in the OptiBuy – WNS Transformation Team. She has over 20 years of experience in international projects in the area of transformation and reorganization of procurement departments, particularly in assessing procurement organization maturity, designing procurement processes, and change management.
She began her career as a buyer in a company producing household appliances, and then embarked on a journey as a Procurement Consultant, which continues to this day. Currently, she is responsible for the Transformation Department (sales and project implementation) primarily in the EMEA markets. She has led projects including category optimization, building procurement departments, optimizing procurement processes, designing procurement processes when implementing procurement platforms, and managing organizational change.