Citigroup is a diversified financial services company providing a broad range of financial products and services to consumers, corporations, governments, and institutions worldwide. It operates through two main segments: Global Consumer Banking, which includes retail banking, Citi-branded cards, and consumer finance, and Institutional Clients Group, which covers wholesale banking, investment banking, fixed income and equity sales and trading, foreign exchange, prime brokerage, research, corporate lending, cash management, trade finance, and securities services. The company maintains a global footprint across regions including Asia, Europe, the Middle East, Africa, North and Latin America, and emphasizes sustainability and social responsibility initiatives.

Global Environment Fund (GEF), founded in 1990 and based in Bethesda, is an asset management firm that focuses on venture capital investments in sectors such as energy, utilities, and agriculture. With approximately $1 billion in assets under management, GEF seeks to invest in businesses worldwide that offer effective solutions to environmental and energy challenges. The firm specializes in private equity dedicated to clean technology, emerging markets, and sustainable forestry. GEF's investor base includes notable endowments, foundations, family offices, and pension funds, reflecting its commitment to promoting sustainable practices while generating returns.