Sanna-Mari Jäntti is the director of Strategic Initiatives at the City of Helsinki Mayor’s Office. She was previously director and senior advisor at Miltton Group where she was responsible for the Guggenheim Helsinki initiative and several other non-profit and NGO major development projects.

Jäntti is currently spearheading strategic initiatives in Helsinki including large scale urban development initiatives and collaboration with related international and national stakeholders. She has also lead the Voluntary Local Review of the Sustainable Development Goals in Helsinki.