Dr. Olga Firssova is Assistant professor at WELTEN Institute, Centre for Learning, Teaching and Technology, Open University Netherlands. Firssova has been involved in course and curriculum design, quality assurance and evaluation projects at the OU for 15 years and has been teaching various courses at the Master of Educational Science program. Research interests and areas of expertise include course and curriculum design, academic writing and design for inquiry-based learning with technologies. Knowledge construction in Massive Online courses is her new research interest. In the European project weSPOT (working environment for inquiry-based learning) Firssova was actively involved in co-designing, implementation and evaluation of inquiry based designs in schools. In a European project EMMA (European Multiple MOOC Aggregator) Firssova co-designed several MOOCs and contributed to development of the EMMA MOOC development approach. Momentarily, Firssova represents the Open University Netherlands in Elite Erasmus+ project on teacher professional development in STEM domain.