Hannah Piester

Private Equity Associate

Prior to joining Closed Loop Partners, Hannah worked as Investment Banking Analyst within Nomura Greentech (formerly Greentech Capital Advisors), the sustainable technology and infrastructure investment banking division of Nomura.



As the lead analyst for Nomura Greentech’s Environmental Services and Technology group, Hannah provided deal execution work and strategic advisory services involving mergers & acquisitions and capital raising for companies in the circular economy, recycling, specialty & hazardous waste management and waste-to-energy sectors.

Prior to her work in investment banking, Hannah worked for Delta Airlines as an internal consultant focused on strengthening corporate sustainability, and led research projects exploring the connection between the University of Virginia’s food consumption and its Institutional Nitrogen Footprint.

Hannah holds dual degrees from the University of Virginia in Environmental Studies and Public Policy. At UVA, Hannah served as a Co-Chair of the University’s Nitrogen Working Group and the Chair of the GIFT (Green Initiatives Funding Tomorrow) Grant Committee.


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