Mannette & Partners

Oil and gas









We help clients achieve outstanding results for their energy and infrastructure projects in developing countries.


Representative Transactions:
  • Ministry of Finance in Sub-Saharan African nation; advising on best practices in oil and gas taxation for revenue, customs and energy officials; assessing needs for tax administration and auditing technology tools.

  • East African Energy and Revenue Government officials: developed oil and gas taxation training for revenue and audit officials.

  • Urban Development Corporation of Trinidad and Tobago (UDeCOTT) ; business development adviser responsible for revitalizing downtown Government campus retail property.

  • Chemtech Resins Limited, $200 Million Petrochemicals Complex; appointed interim CEO; prepared project finance documentation, negotiated for government co-investment; managed environmental clearance.

  • Westlake Chemical, $1.2 Billion Polyethylene Project; appointed VP-External Affairs, managed environmental, legal and communication teams; led public stakeholder meetings; coordinated Government approval process.

  • Sural (Venezuela), $500 Million Aluminum Smelter; negotiated and executed project agreements with government joint venture partner.

  • Nippon Oil Corporation, E&P and LNG investment evaluation; advised on upstream bid submissions for deep water blocks.

  • Embassy of Trinidad and Tobago, Special Attaché for Energy; co-lobbyist for Trinidad and Tobago on Capitol Hill on trade and energy matters.

  • US$1.2 Billion Atlantic LNG Train 4 Project; lead government counsel for project agreement and commercial agreements with shareholders and the Minister of Energy.



About Us

Our Founder is Elizabeth Mannette. She has been a trusted advisor for more than 25 years as to a range of legal clients, including startups, independent project developers, middle market companies, investors, entrepreneurs and governments. She has spent more than 16 years in the energy industry, working primarily in the downstream area. Her focus is project finance, taxation, government relations and public affairs.

Elizabeth is a former Senator in the Parliament of Trinidad and Tobago and former Energy Diplomat in Washington DC where she represented on energy and trade matters on Capitol Hill and with the Obama Administration. She was a lead legal negotiator for the Atlantic LNG Train IV project and advisor to Cabinet’s Task Force on Gas Investments and reviewed all foreign investor proposals in Trinidad and Tobago.

She began her career as a tax associate at the New York office of Weil where she worked with a variety of finance institutions, lenders, creditors and companies on tax aspects of corporate and bankruptcy transactions. She also worked as an contract counsel with technology startups on Intellectual Property, Licensing and Business Development matters.

In her non-legal life, Elizabeth is a creative designer and entrepreneur. Her family were inventors and pioneers of musical steel drums and she has a jewelry line inspired by steel drums. She is also the founder of a nonprofit preparing to host a music festival in New York City in 2020.


LL.M - Taxation, New York University School of Law, 1992, Editor, Tax Law Review

J.D. Harvard Law School, 1991

B.A. - Chemistry, Brooklyn College, City University of New York, 1988

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