Stefan Premer

Stefan Premer is Senior Director within Sphera’s Consulting Organization, where he leads the Corporate Sustainability Consulting department. He manages teams focused on ESG and corporate sustainability strategy, advising organizations on evolving sustainability requirements, regulatory developments, and reporting frameworks such as CSRD and IFRS.

Stefan has deep expertise in climate strategy development and corporate carbon accounting, including quantified transition planning and climate risk modelling. He has supported companies in developing and operationalizing sustainability strategies, automating sustainability processes, and implementing large-scale strategic sustainability projects across sectors.

At present, Stefan is an ISO committee member for “Quantification and reporting of greenhouse gas emissions and removals at organizational level,” contributing to the GHG Protocol update, as well as “Greenhouse gas and climate change management and related activities – Mitigation.”

Stefan is based in Zürich, Switzerland, and holds an M.Sc. in Business Administration, specializing in Strategy and Management in International Organizations, from Linköping University in Sweden.