Executive Chairman Millenium Oil & Gas Company Limited

Mrs. Cecilia Umoren was called to the Nigerian Bar in 1979. She is part of a group of professionals that founded Emerald Energy Resources Limited (EERL), an indigenous oil and gas company, Operator of OML 141, where she worked as Executive Director, Corporate and Legal Services until she was appointed Managing Director/Chief Executive Officer of Millenium Oil and Gas Company Limited (MOGCL) in July 2015, and in 2023 became the Executive Chairman of MOGCL.

Prior to joining Emerald Energy Resources Limited  in 2001, she was the principal/founding partner of the law firm Cecilia Okafo & Associates (now Sapphire Partners), a full service corporate and litigation firm, where she gained a wealth of experience in international transactions and local legal practice.  The firm represented many foreign companies in a range of matters both legal and commercial including contractual, regulatory and policy issues.

Mrs Umoren was one of the pioneer legal practitioners of telecommunications in Nigeria. She acted as external solicitor to Nigeria Telecommunications Limited (NITEL) and represented NITEL in its first major telecommunications Joint Venture, Mobile Telephone System (MTS) where she eventually served as Company Secretary. She also served in the Federal Government of Nigeria’s Ministerial Committee to implement the Open Skies Agreement.

Mrs. Umoren has a Bachelor of Laws (LL.B) Degree from the University of Nigeria, Enugu Campus, Bachelor of Laws (BL) from the Nigeria Law School, Lagos and a Masters in Comparative Law Degree from Southern Methodist University, Dallas, Texas, USA. She is also an alumnus of Harvard Business School’s Women’s Leadership Forum.

In addition to Millenium Oil and Gas Company Limited and Emerald Energy Resources Limited, she sits on the Board of Directors of Waltersmith Petroman Oil Limited and is the Chairman of the Board of Directors of Trennco Power Limited. She is Chairman of the Board of Governors of Petroleum Club, Lagos Nigeria and  Chairman of the Board of Trustees of Women In Energy Network  Nigeria. She is also an active member of several professional and philanthropic associations including International Women’s Society Nigeria where she is a Past President and Trustee.