Mr. Ennis Rimawi is the Founder and Managing Director of Catalyst's MENA Climate Funds. In 2016, Catalyst launched the MENA region's first renewable energy fund which has realized top quartile returns and significant positive climate and social impact. Previously launched Catalyst Private Equity Fund I in 2006 the region's first energy and water technology (climate tech)  venture capital fund.  In 1997, Ennis was in Boston when he founded ONEWORLD Software Solutions, and thereafter moved to Jordan in 2002 to lead the subsequent merger and turnaround of Estarta Solutions, which is partially owned by Microsoft and Cisco.

Previously, Ennis spent 4 years at Ford Motor Company, as part of the Manufacturing Leadership Program.  Outside of the Catalyst entities, Ennis is a Director of a leading non-profit Micro-Fund, Tamweelcom, as well as Ajeej Capital (UAE) and Relational.ai (US).  Ennis attended MIT, and graduated with a SB in Eng. Systems, MS in Environmental Eng, and an MS from the Sloan School of Management.

He is currently a member of the Global Future Council (GFC) on Innovative Financing for Nature and Climate (2025-2026).