Our editorial board brings together some of the world's leading practitioners in the field of export controls. Scroll down to meet the board.

George Tan, Bryan Cave International Consulting, Singapore

George Tan is the director of Asia Export Controls at Bryan Cave International Consulting, based in Singapore. George specializes in international trade compliance with practical experience on export control compliance. George is familiar with Asian export control regimes and is an advisor to multinational corporations, small and medium enterprises and sovereign clients on strategic goods controls, with a particular focus on compliance and enforcement. George has advised and provided training on export controls in China, Hong Kong, India, Malaysia, Philippines, Singapore, Taiwan and Thailand.


Dr. Bärbel Sachs, Noerr, Berlin

Dr. Bärbel Sachs is a partner in the Berlin office of Noerr, an international partnership of attorneys, tax advisors and auditors with five offices in Germany, one in London, one in New York and seven in Central and Eastern Europe.

Bärbel’s practice focuses on European and international trade law, in particular: Customs, export control and sanctions law; WTO, anti-dumping, anti-subsidies; EU market organization and general EU law; and foreign direct investments in Germany. Bärbel speaks German, English and French and is a regular contributor to business and legal publications.


Edmund Sim, Appleton Luff, Singapore

Edmund Sim is the managing partner of the Singapore office of Appleton Luff, an international trade law firm with other offices in Brussels, Geneva, Warsaw and Washington DC. He also teaches at the National University of Singapore law school, lecturing on the law and policy of the ASEAN Economic Community.

Based in Singapore since 1997, he assists clients with trade remedies, customs valuation, classification, customs investigations and export controls. He has assisted clients in industries including steel, textiles, seafood, chemicals, electronics, alcohol, tobacco, plastics and processed foods. Mr Sim graduated magna cum laude and phi beta kappa from Dartmouth College in 1988 and summa cum laude from the University of Michigan law school in 1991. While attending university, he worked in the office of US vice president George H. W. Bush and the general counsel’s office of the US Treasury Department.


Larry E. Christensen, Miller & Chevalier, Washington DC

Larry Christensen concentrates on export controls, sanctions, and embargoes under the International Traffic in Arms Regulations (ITAR), Export Administration Regulations (EAR), and various regulations issued by the Office of Foreign Assets Control (OFAC). He focuses on the pre-acquisition due diligence, Committee on Foreign Investment in the United States (CFIUS) reviews of foreign direct investment, and the defence of enforcement cases, as well as compliance processes, assessments, and audits. Mr. Christensen served in the U.S. Department of Commerce for 11 years in the Office of ChiefCounsel of Export Administration and as Director of the Regulatory Policy Division. In that role, he headed the completeredrafting of the EAR from 1995 to 1996, the first such rewrite since 1949. He also authored the deemed export rule and coordinated the policy support for the rule prior to its publication. He drafted all Export Administration Act proposed legislation for the Reagan, George H.W. Bush, and first Clinton administrations. Mr. Christensen counsels firms on the development of compliance strategies, process assessments and audits, and assists firms facing governmental administrative audits and criminal investigations.


Stacey Winters, Deloitte, London

Stacey heads up Deloitte’s Customs & Global Trade business in EMEA. Stacey has several years’ experience in advising clients on international trade matters and is a renowned expert in the field of export controls. Stacey started her career in the US and is a qualified US Customs Broker. She has spent the last nine years in Europe, working with clients to design, develop and implement global trade compliance reviews, covering customs, export controls, import management, and supply chain security procedures. She has worked on a variety of projects over a vast range of industries (including the printing industry), from managing a global trade compliance outsourcing contract for a high tech company, and obtaining AEO status for a multinational trading house, to reviewing the import/export function at a leading global healthcare company.

Stacey has extensive experience in dealing with the authorities in the EU on driving changes to policy and regulation, particularly in the field of classification (both import and export). Stacey also has in-depth knowledge of encryption-related controls and has led significant lobbying efforts in this field.


Iain Macvay, King & Spalding, London

Iain focuses on European and international trade and regulatory law and has particular experience in legal aspects of the World Trade Organization (WTO), trade barriers regulation complaints, antidumping and anti-subsidy cases, safeguards, customs law, export control, and sanctions regimes. He is actively involved in business strategy advice encompassing the impact of international trade and investment rules and advises clients on regulatory and compliance challenges arising out of climate change regimes, such as the EU Renewables Directive.

His clients include governments and businesses. For example, he works with the European spirits industry to challenge discriminatory tax regimes and other trade barriers. He has advised the industry on three successful WTO challenges in respect to excise taxes in Japan, Chile, and Korea. These cases have become the core of international jurisprudence on tax discrimination against imported products. Iain also has experience advising governments, including the European Commission
and industry in WTO and other international law issues affecting the luxury goods, pharmaceuticals, entertainment, electronic goods, and steel sectors.



Michael Burton has more than 14 years’ experience representing U.S. and foreign clients on a range of issues related to compliance with and enforcement of U.S. export controls (Export Administration Regulations & International Traffic in Arms Regulations), economic sanctions administered by the Office of Foreign Assets Control (OFAC), anti-boycott, the Foreign Corrupt Practices Act, anti-money laundering, and import laws. He counsels clients on complex trade controls issues, designs and audits corporate compliance programmes, and has obtained numerous U.S. government licences authorizing transactions under these controls. Michael is vice-chair and co-chair-elect of the American Bar Association’s (ABA) Export Controls and Economic Sanctions Committee of the Section of International Law and a member of the OFAC Practitioners’ Group.



The Honorable Mario Mancuso is a leading authority on the regulation of international trade and investment and a former senior member of the President’s national security and economic leadership teams. Mr. Mancuso provides strategic and legal counsel to U.S. and international clients on a wide variety of international trade and investment matters worldwide.

r. Mancuso’s practice focuses on mergers and acquisitions, joint ventures, counselling and compliance matters, and cross-border corporate investigations – particularly with respect to the U.S. government’s national security regulation of foreign direct investment (CFIUS), economic sanctions (OFAC), export controls (ITAR, EAR), and anti-corruption and anti-bribery (FCPA).


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