We are a blank check company incorporated as a Cayman Islands exempted company on September 14, 2017 and formed for the purpose of effecting a merger, share exchange, asset acquisition, share purchase, reorganization or similar business combination with one or more businesses, which we refer to throughout this Annual Report as our initial business combination. We are an investment vehicle of Carlyle International Energy Partners, L.P. ("CIEP").
Carlyle operates one of the largest and most diversified Energy and Natural Resource alternative investment platforms in the world, with more than $27 billion in assets under management and 95 active portfolio companies focused across five distinct investment disciplines: International Energy (CIEP), North American Energy, North American Power, Global Infrastructure and Energy Mezzanine (collectively the "Carlyle Energy Platform").
CIEP is Carlyle's primary vehicle for international energy investing. The CIEP investment team includes 14 investment professionals who collectively bring more than 230 years of experience investing and operating energy businesses across CIEP's targeted markets. CIEP currently holds or is committed to acquire a diversified portfolio of upstream, midstream and downstream assets spread across Europe, Latin America, Asia and Africa. The CIEP investment team led by Marcel Q. H. van Poecke (the "CIEP International Energy Investment Team") is actively investing CIEP, a $2.5 billion fund, which had a 29% gross internal rate of return as of December 31, 2018. The CIEP International Energy Investment Team is primarily based in London.