about us

Arna is a private capital and sustainability advisory group, primarily focused on direct investments and fund strategy.

Ali Humphrey is the Managing Partner at Arna. She combines her unique experiences as a former sustainability investor, Fortune 500 operator and investment advisor to provide growth and capital raising strategy to sustainability technology companies and private asset managers.

Previously at PJT Partners and Park Hill, Ali advised alternative asset managers on new fund formation and ESG strategies and led global strategy for climate capital raising.  Ali also previously led Sustainability and ESG for TPG where she developed an integrated, value-centric ESG approach across the investment cycle. During her time, she led ESG-related business building with over 200 portfolio companies, many from pre-investment to successful exit.

Ali spent her early career as an operator, leading sustainability strategies and advising companies like Apple, McDonalds, Bank of America and The Gates Foundation. She has advised top executives at >10 multinational companies with a combined market cap of over $2.3 trillion to enhance exposure to ESG-linked growth and capital.