Mac’s investigations experience includes representing clients in high-profile, sensitive investigations by the US Department of Justice, US House Committee on Energy and Commerce and Select Committees of the US House of Representatives.

Mac’s experience with government contracting matters includes counseling clients on compliance with the Federal Acquisition Regulation (FAR), conducting due diligence in connection with mergers and acquisitions in the defense, health care, and technology sectors and assisting clients with bid protest litigation before the US Court of Federal Claims and the US Government Accountability Office (GAO). This experience includes conducting government contract due diligence in connection with a $30 billion transaction in the health care sector that represented the largest leveraged buyout since 2008. It also includes assisting a large professional services firm in developing and implementing government contract compliance policies and procedures.

Mac also has extensive experience with the US Small Business Administration’s Paycheck Protection Program (PPP), including advising numerous clients on eligibility issues, compliance with program rules, loan forgiveness and appeals of loan forgiveness denials.

Mac maintains an active pro bono practice, including representing veterans seeking appeals of adverse disability and retirement determinations and advising small businesses on obtaining government grants and loans.

During law school, Mac served as a law clerk for the US Senate Committee on Commerce, Science and Transportation and was a staff editor of the Journal of National Security Law & Policy. He was also a member of Georgetown Law’s Federal Legislation Clinic.

Before attending law school, Mac worked in government affairs for a transportation union and served as a legislative assistant to a member of the US House of Representatives.

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• Advising selling parties in a US$40 million ICC arbitration relating to the sale of alternative energy assets in Brazil
• AIC Limited v Federal Airports Authority of Nigeria: represented a Nigerian construction firm in High Court, Court of Appeal and Supreme Court proceedings relating to a US$160 million arbitration award obtained by AIC against a Nigerian government agency, including securing payment of a US$25 million bank guarantee
• Acted for victims of the Rohingya genocide in Myanmar in the first reference of its kind to the Myanmar National Human Rights Commission
• Represented a fund manager in complex, high-profile civil and criminal litigation proceedings in the UK and Luxembourg relating to controversial assets acquired by the fund’s previous managers
• Representing US parties in applications to the High Court under the Hague Convention for disclosure in support of US litigation, including in relation to patent disputes and insurance litigation relating to US$100 million of lost artworks
• Representing a Tanzanian company in ad hoc Tanzania-seated arbitration and litigation proceedings relating to the North Mara Gold Mine
• Advising private individuals on claims relating to the former UK embassy in Kabul, Afghanistan
• Represented Crescent Petroleum in successfully obtaining US$2.4 billion award of damages for Crescent Petroleum in an ad hoc arbitration proceedings against the National Iranian Oil Company relating to the total failure to supply gas pursuant to a 25-year gas supply agreement
• Omega Financial Corporation v Tende Energy plc: Acted for a UK listed oil and gas investment company in High Court proceedings relating to a dispute with a major investor
• Greenslade and others v. Everbridge Holdings Limited and another: represented a US software company in Commercial Court proceedings relating to the acquisition of a UK security company
• Representing high-net worth individuals in LMAA arbitration claims relating to two super yachts
• Represented a UK-based open-source software company and its US owner in High Court proceedings relating to an attempted unlawful takeover of a website
• Represented a major US pharmaceutical company in an LCIA arbitration, successfully defending a $480 million claim by a generic drugs manufacturer relating to pharmaceutical patents and licence agreements and defeating a subsequent s. 68 challenge.‌
• Tempus Holdings 39 S.À R.L. v ArgoGlobal SE: represented a subsidiary of H.I.G. Capital in a €17.5 million High Court action against the Maltese branch of a multinational insurance company, obtaining default judgment and payment of all sums due by the defendant
• Represented a London-based private equity fund in successful LCIA arbitration proceedings relating to the ownership of one of West Africa’s largest pharmacy chains, as well as in a subsequent s. 68 challenge
• Invenia Technical Computing Corporation & anr v Hudson: represented a company director in complex High Court fraud proceedings
• Represented a UK listed oil and gas investment company in a £12 million LCIA arbitration claim arising out the acquisition of oil and gas extraction rights in North Africa
• Represented a UK electric power generation company in claims against Benin and Chad
• Acted for a multinational Japanese automotive firm in disputes relating to supply termination and transition negotiations with a UK luxury vehicle manufacturer
• GML International Limited and other v Jonathan Harfield: Acted for an individual in a High Court trial relating to personal loans between former friends involving issues of witness memory and recollection, clandestine surveillance, and crime syndicates in Eastern Europe
• Advising a UK private company with petroleum concessions in North Africa in three ICC arbitration proceedings against a state oil company
• Represented a Respondent and counter-Claimant in an LCIA arbitration proceedings relating to alleged breaches of a cohabitation agreement
• Acted for a group of Saudi investors and property developers in an AED 1.3 billion (‌£279 million) claim in the DIFC Courts against the Dubai International Financial Centre Authority*
• Advised a multinational chemical company in a ‌$155 million London-seated ICC arbitration against an EPC contractor in relation to engineering defects in an ammonium nitrate production facility in Western Australia*
• Represented a venture capital fund and startup accelerator in a London-based DIFC-LCIA arbitration relating to a ‌$5 million claim and ‌$30 million counterclaim for fraud and breach of contract*
• Acted for a supra-national development bank in a Riyadh-seated arbitration against an IT contractor in the Saudi Centre for Commercial Arbitration (SCCA)*
• Acted for a San Francisco-based private equity fund in the enforcement of a ‌$15 million Singapore Court judgment, including in the DIFC Courts*
• Acted for Motorola Credit Corporation and successfully obtaining a worldwide freezing injunction against members of the Uzan family in support of an earlier ‌$4.26 billion judgment of the New York Federal Court*
• Represented a Saudi-based high net worth individual in a ‌€65 million London Maritime Arbitrators Association (LMAA) action relating to the sale and purchase of a luxury yacht*
• Acted for the Libyan national shipping company in a London-seated ad hoc arbitration in a ‌$7 million claim against a shipbuilder in relation to bribes paid to the family of former Libyan dictator Muammar Gaddafi*
• Advised Bank and Clients PLC on a successful ‌£3.5 million guarantee and fraud action in the Commercial Court against the directors of a ‌technology company*

* Matter handled prior to joining the firm

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Brian also drafts, reviews, and updates cybersecurity agreements and general technology contracts and supports clients in sophisticated information technology and business process outsourcing transactions. He regularly helps clients navigate complex private equity transactions, drawing on his experience with technology, security, AI, and intellectual property matters.

While in law school, Brian served as lead articles editor of the SMU Law Review.

Prior to attending law school, Brian spent more than 20 years working as a consultant, focusing on cybersecurity, information security, and IT risk management for US and global companies, primarily in regulated industries. He brings extensive knowledge of hacking mechanisms and security controls, IT operations, and information security standards for the financial services, healthcare, and energy industries, among others. He also contributed cybersecurity, privacy, and export controls updates to Outsourcing: Law and Business.

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• Investigated and interviewed multiple employees in a complex matter involving theft of documents from employees’ workstations during the employment separations of a business team, including supporting the resulting litigation through legal and technical analysis of the former employees’ actions
• Reviewed and developed AI policies and standards for multiple organizations based on AI frameworks such as the NIST AI Risk Management Framework (AI RMF) and ISO/IEC 42001
• Managed multiple annual cybersecurity maturity and risk assessments for a financial technology company (based on the NIST Cybersecurity Framework and ISO/IEC 27001) under attorney-client privilege and provided legal analysis and counseling on responding to assessment results
• Managed annual IT audits for compliance with India’s Information Technology Rules (which incorporate ISO/IEC 27001) for an audit and advisory firm with India-based operations and provided legal support for annual System and Organization Controls (SOC) 2 and ISO/IEC 27001 audits
• Advised multiple merchants and service providers on Payment Card Industry Data Security Standard (PCI DSS) compliance, including counseling a Level 1 merchant in preparation for its Qualified Security Assessor (QSA)-led Report on Compliance (ROC) and advising on the transition to PCI DSS v4.0 requirements
• Drafted a suite of agreements for a startup service provider, including master services agreements, subcontractor agreements, nondisclosure agreements (NDAs), security addenda, privacy policies, and other legal documents needed to serve commercial and government clients

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