Ms Piia Karjalainen is Secretary-General of the MaaS Alliance. She lives and works in Brussels, Belgium. The MaaS Alliance is an international public-private-partnership, established in 2015, bringing together more than 100 member organisations worldwide, supporting the development of Mobility as a Service ecosystem, based on the principles of openness, inclusivity, sustainability and user-centricity. Karjalainen is leading and coordinating all the activities of this international Mobility as a Service community. Previously she has been working in various positions at the European Parliament and the Finnish Ministry of Transport & Communications, mainly dealing with transport strategies, ITS, Mobility as a Service, policymaking and EU regulation. She holds a Master of Science in Economics.