Sean Gammons

Sean Gammons
Office:
Marble Arch House
66 Seymour Street
W1H 5BT
City:
London
Country:
England
Tel:
+44 20 7659 8564
Fax:
+44 20 7659 8565

Biography:

Who's Who Legal Energy: Experts

Sean Gammons specialises in the gas and power sectors and has more than 20 years of experience advising energy companies and regulators on the design and operation of gas and electricity markets. His experience includes regulatory work on market rules, tariff design and antitrust enforcement (eg, merger approval and state aid), as well as commercial work on contract design, pricing, investment appraisal and risk management. Mr Gammons has led numerous due diligence and valuation exercises in support of M&A transactions, greenfield investment, and financings in the UK, Europe, the Middle East, Africa and Asia, covering deregulated, regulated, and hybrid (low-carbon) segments of the energy industry.

Mr Gammons is an experienced expert witness and has provided expert testimony in cases covering contractual disputes (eg, construction, sale and purchase, M&A, and broker disputes), antitrust matters, and energy industry regulation in a wide range of jurisdictions around the world, including the International Centre for Settlement of Investment Disputes (ICSID), the International Chamber of Commerce and the English High Court. Examples of Mr Gammons’s expert work include damages estimation for non-delivery of gas and/or electricity under long-term contracts and related expropriation claims; economic analysis in relation to price re-opener and loyalty clauses in long-term contracts for gas, gas storage and gas transport, including change of circumstances, market definition and price resets; liquefied natural gas (LNG) terminal and gas pipeline construction contract disputes; broker-customer disputes; and assessing indemnification losses in relation to M&A deals for energy assets.

WWL says: Sean Gammons “does excellent work in the energy sector”, say peers, who speak highly of his extensive expertise in gas and electricity matters.

This biography is an extract from Who's Who Legal: Energy which can be purchased from our Shop.

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