Haynes and Boone CDG, LLP > London, England > Firm Profile

Haynes and Boone CDG, LLP
1 New Fetter Lane

Projects, energy and natural resources > Oil and gas Tier 3

Haynes and Boone CDG, LLP is active in upstream, midstream and downstream oil and gas work, with a key strength in the LNG sector. The team, which is led by Glenn Kangisser, is regularly instructed by oilfield operators, contractors and insurers on a range of projects, energy transactions and disputes. London managing partner William Cecil handles arbitration matters for clients in the offshore oil and gas and energy industries. Phoebe Anderson, who is dual-qualified to practise in England and Australia, focuses on offshore exploration and production and commercial contracts.

Practice head(s):

Glenn Kangisser

Other key lawyers:


Very strong team specialising in offshore drilling contracts and shipbuilding contracts. Good innovative ideas from the partners in looking after our company’s legal rights.’

We always get the feeling the lawyers genuinely care and being able to reach them anytime is always good. Glenn Kangisser is a fantastic lead for the company.

The firm specialises in offshore oil and gas more than any other firm in the UK. The solicitors are experts in their field, pleasant to deal with and go the extra mile.’

I have an excellent impression of the firm. Their office and people are welcoming.’

Key clients

Stena Drilling Ltd

Valaris plc

Stena LNG & Power Solutions AS

Work highlights

  • Acting for Valaris plc in High Court proceedings in respect of a claim by a Saudi Arabian company, Al Rushaid Trading Company, concerning tortious claims relating to alleged breach of a joint venture agreement for the provision of drilling vessels in Saudi Arabia.

Investment fund formation and management > Fund finance Tier 4

Haynes and Boone CDG, LLP has a strong focus on lender-side fund finance mandates, advising major international financial institutions on the full range of products, including capital call, NAV and hybrid facilities, co-investment strategies, GP investments and management fee lines. The team, which is led by experienced practitioner Emma Russell, also has notable capabilities in ESG financing.

Practice head(s):

Emma Russell


The female-led fund finance team at Haynes & Boone is excellent. They are responsive and commercial, and available around the clock for their clients. Emma Russell leads the team and she is also the co-chair of Women in Fund Finance, taking a stand for diversity and female excellence in the sector.

Emma Russell knows her stuff! But better still, she is client-focused and is like an extension of her clients’ internal legal team.

Deep sector expertise.

Transport > Shipping Tier 4

Haynes and Boone CDG, LLP specialises in advising global clients on the construction, acquisition and sale of ships, as well as handling disputes related to shipbuilding. The team has particular expertise in vessels operating in the energy and mining industries, such as LNG carriers, FPSO vessels, mining vessels and drillships. Elsewhere, the group is increasingly sought after to advise on matters concerning superyachts. It is also active in the negotiation of charters. Andreas Silcher and Mark Johnson jointly lead the team, which includes Simon Curtis.

Practice head(s):

Andreas Silcher; Mark Johnson

Other key lawyers:

Simon Curtis; William Cecil; Andreas Dracoulis


‘The team has broad experience meaning that, for all matters, there seems to be a specialist in house. The knowledge is up to date, and as a client, I am being kept well informed about new developments.’

‘Extremely professional, with a fast turnaround on documents, which is vital in shipping.’

‘They have a very strong technical background and good knowledge and understanding of the shipbuilding industry.’

‘Andreas Silcher stands out for his practical approach, always to the highest legal standards. He will give you the advice, draft contract or other deliverable that suits your business. He is also generally available and always nice to work with.’

‘Andreas Silcher – fantastic advice and quick understanding of the deal.’

‘Flexible and proactive approach with the ability to adapt communication methods to best suit audience. Took time to highlight potential problems before matters escalated and provide alternate solution to problems.’

‘Good practical industry experience, including technology/commercial understanding i.e. good matrix of ex-seafarers so they understand the actual business environment, not just the theory.’

Key clients

Athenian Sea Carriers

Stena Power & LNG Solutions AS

Kuwait Oil Tanker Company

Damen Shiprepair & Conversion Holding

Work highlights

  • Acted for Athenian Sea Carriers in relation to the acquisition of four VLCCs (very large crude carrier) newbuildings and the subsequent resale of two of them..
  • Acting for Stena LNG & Power in relation to a $3bn “LNG to energy” project in Vietnam, where Stena’s jettyless LNG technology is to be deployed.
  • Advised Kuwait Oil Tanker Company on significant delays arising from the construction of a very large crude carrier in China.

Dispute resolution > International arbitration Tier 5

Haynes and Boone CDG, LLP's London-based international arbitration team consistently represents clients in ICC, LCIA and UNCITRAL international arbitrations, as well as in ad hoc proceedings. It also acts in bilateral investment treaty and ICSID arbitrations, and fields sector specialists in the energy and construction industries. As 'a force to be reckoned with', Melanie Willems is international arbitration head, while Markus Esly focuses on energy, projects, construction and infrastructure disputes; William Cecil is litigation head, and counsel Robert Blackett is 'an excellent lawyer'.

Practice head(s):

Melanie Willems; William Cecil

Other key lawyers:


The Haynes and Boone team is outstandingly able.

Extremely bright, immensely experienced, very hard working, highly dedicated and acutely commercial – and, on top of that, a pleasure to work with.

Extremely quick, skilled and easy to work with in relation to complex multi-jurisdictional legal matters.

Melanie Willems is a a brilliant and outstanding team leader, who is extremely bright, very hardworking, dedicated to clients, and superb with her clients; she is also adept at developing highly successful commercial strategies to achieve her client’s aims.

Melanie Willems is a force to be reckoned with, bringing heaps of energy to a matter along with a keen ability to keep an eye on the big picture.

Melanie Willems and Markus Esly are both first-class practitioners, with sound judgement, technical knowledge, and a keen sense of strategy.

Marcus Esly is simply outstanding – a superb lawyer, who is immensely bright, hardworking, dedicated, and an absolute pleasure to work with.

Counsel Robert Blackett is an excellent lawyer, who is very clever, extremely hardworking and very easy to work with.

Real estate > Construction: contentious Tier 5

Haynes and Boone CDG, LLP is well known for its expertise in international arbitrations concerning construction, engineering and infrastructure projects. The team is led by Melanie Willems, who heads the international arbitration practice and has particular strength in contractual disputes relating to energy, projects and engineering matters, and head of litigation William Cecil. Other notable team members are Markus Esly and counsel Robert Blackett.

Practice head(s):

Melanie Willems; William Cecil

Other key lawyers:


‘Melanie Willems and Robert Blackett are both highly competent and knowledgeable in the (international) arbitration field doing construction cases, and I would have no hesitation recommending them to potential clients for this type of work.’

‘The team at Hayes and Bone is outstanding: extremely bright, superb lawyers, immensely hardworking and dedicated to achieving the best results for their clients. They are also delightful people who are a pleasure to work with.’

‘Melanie Willems is an outstanding team leader: she is a brilliant manager of a team and brilliant with clients, and excels at getting the best out of those with whom she is working. She is also exceptionally hardworking and dedicated to her clients, and is outstanding at devising legal strategies to achieve their commercial aims.’

‘Rob Blackett is an extremely able lawyer: very clever, immensely hardworking and dedicated.’

‘Markus Esly is exceptionally bright and a brilliant strategist. Calm, measured, and an absolute pleasure to work with.’

‘Melanie Willems and her team are outstanding when it comes to international arbitration. This practice delivers at a very high level indeed.’

‘Melanie Willems and her team are excellent.’

‘The practice is at the cutting edge of both subject matter expertise and advocacy skills. Melanie Willems is the stand out leader of the practice.’

The firm: Haynes and Boone, LLP is a full service international commercial law firm with 600 lawyers, providing a full spectrum of legal services in 18 offices spanning Texas, New York, California, Charlotte, Chicago, Denver, San Francisco, Washington DC, London, Mexico City and Shanghai. The firm is ranked among the largest US-based firms and was recognised for excellence in the BTI Consulting Group’s 2021 “A-Team” report, which identifies the law firms that in-house counsel commend for providing superior client service. The London office offers transactional and dispute resolution lawyers with deep industry knowledge and strong commercial sense and has core strengths in corporate, energy, finance, international dispute resolution and shipping. The London lawyers partner seamlessly with their colleagues across the firm and counsel clients worldwide. Many of the firm’s lawyers have international backgrounds; the lawyers in London offer fluency in 13 languages.

Types of work undertaken
Energy: in the energy industry, the firm serves domestic US and international oil companies with global development interests, independent oil and gas producers, offshore oilfield service contractors and equipment companies, as well as large commercial lenders, hedge funds and private equity firms in the energy sector. The firm’s experience extends from upstream licensing arrangements through the exploration, production and transportation of oil and gas. The firm advises clients on the operational issues involved in the extraction, processing and transportation of these products and on the procurement, construction and installation of offshore drilling and production facilities and transportation pipelines and LNG. We also advise on the renewables industry with specific experience in solar, wind and biomass projects.

Shipping: the firm has significant experience in the provision of legal advice in relation to shipbuilding and ship conversion projects of all kinds. Senior counsel Simon Curtis and partner William Cecil are co-authors (together with Ian Gaunt, president of the London Maritime Arbitrators Association 2017-2020) of the fifth edition of the leading textbook on shipbuilding contract law, ‘The Law of Shipbuilding Contracts’, published by Informa Law from Routledge, 2020. The firm is continuously involved in a wide range of newbuilding projects and disputes and its maritime clients include shipowners, charterers, classification societies, engineering consultants, private equity and other financial services companies, shipyards and insurers, covering the full spectrum of commercial shipping. We also have substantial experience in the construction and employment of passenger ferries, cruise ships and superyachts. For LNG projects, the office brings together project development, construction, transportation and gas supply experience on behalf of developers, suppliers and shippers.

Corporate: the firm’s corporate lawyers possess extensive experience in mergers and acquisitions, joint ventures, capital markets transactions, IPOs, takeovers and related shareholder issues spanning both public and private transactions across a broad range of industries. In addition, the London office expands the international reach of the firm’s private equity and venture capital capabilities, which include helping clients structure and organise fund sponsors and investment funds as well as representing entrepreneurs, start-ups, early-stage companies and emerging growth companies in structuring, negotiating and closing all forms of venture financings. It regularly provides its clients with advice on entity formation, funding strategies, IP strategies and general corporate matters.

Finance: the firm’s global finance practice offers the range of skills that the firm’s clients demand. Its partner-led approach, experience and versatility offer clients a first-class service, embracing both technical quality and commercial awareness. The firm has extensive experience in fund finance, acquisition finance, refinancings, corporate facilities, real estate finance and financial institutions lending (including non-bank lenders and insurance), in each case across a broad range of industry sectors. It regularly advises financial sponsors, lenders, borrowers, investors, fund managers and central banks in relation to those core areas.

Project finance: our project finance and development practice group includes experience across all major disciplines that affect a client’s investment throughout the project’s life – from early-stage development and regulatory issues through financing, mergers, acquisitions, restructurings and public offerings. Our work includes representation of lenders, borrowers, risk insurers, investors, sponsors and contract parties in projects utilising a broad spectrum of financing arrangements, including commercial bank and institutional lender construction and term loan facilities; so-called “term loan B” financings, letter of credit facilities; mezzanine and high-yield financings; capital markets issuances of debt and equity; securitisation and structured finance techniques; and utilisation of products and services from multilateral institutions, export credit agencies and national/regional development and aid agencies.

International dispute resolution: we have a substantial team of English law-qualified disputes lawyers, with a long and distinguished record of representing clients in court and arbitral proceedings and in other forms of dispute resolution (for example, adjudication, expert determination and mediation). Our London-based international dispute resolution lawyers act for clients in ad hoc arbitrations and in those administered by the leading institutions, including the International Chamber of Commerce (ICC), the London Court of International Arbitration (LCIA) and the International Centre for Dispute Resolution (ICDR). We act for clients in the various divisions of the English Courts, in particular the Commercial Court and the Technology and Construction Court. Although our clients are derived from a wide range of industries, we have built a formidable reputation acting for clients in the offshore oil and gas, shipping and infrastructure sectors. We also represent investors in disputes with host governments or states under bilateral investment treaties (e.g., ICSID arbitrations).

Managing Partner William Cecilwilliam.cecil@haynesboone.comT +44 (0)20 8734.2837
Shipping Andreas Silcherandreas.silcher@haynesboone.comT +44 (0)20 8734.2810
Dispute resolution William Cecilwilliam.cecil@haynesboone.comT +44 (0)20 8734.2837
Finance Emma Russellemma.russell@haynesboone.comT +44 (0)20 8734.2807
Corporate Tom Fernstom.ferns@haynesboone.comT +44 (0)20 8734.2804
International Arbitration Melanie Willemsmelanie.willems@haynesboone.comT +44 (0)20 8734.2869
Project Finance Myles Mantlemyles.mantle@haynesboone.comT +44 (0)20 8734.2869
Energy Glenn Kangisserglenn.kangisser@haynesboone.comT +44 (0)20 8734.2814
Number of UK partners : 14
Number of other UK fee-earners : 15
Chinese (Cantonese
Chinese (Mandarin)