Aga Siemiginowska

Head of Sustainability
Aga Siemiginowksa landscape

Aga joined Oakley in 2020 and has over 13 years of experience in sustainability and environmental risk. Aga’s focus at Oakley is to support the incorporation of environmental, social and governance (ESG) factors into the investment process, and to engage with portfolio companies on ESG topics and projects.

Prior to joining Oakley, Aga served as the interim Head of ESG at Permira, working with deal teams and directly with portfolio companies. Before this, Aga spent 12 years as an environmental consultant, first at ERM then at Ramboll, advising corporate and financial sector clients on environmental risks and opportunities.

Aga holds an MSc in Nature, Society and Environmental Policy from Oxford University and a BA (Hons) in Geography and Political Science from Rutgers University, USA.

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