Practical, Creative, Counsel

Our unique expertise was forged through practical engagement in all aspects of sustainability strategy—from governance design to on-the-ground investigations to global crisis management—for an array of leading multinationals.

  • Yousuf Aftab
  • Sarah K. Griffin
  • Mary Johnson
  • Jochim Thies
  • Ellie Abramov
  • Maria Luisa Saboya
  • Andrew Stobo Sniderman
  • Christina Roussakis

Yousuf Aftab


Yousuf is a business and human rights lawyer and strategist with a decade of experience advising an array of Fortune 100 companies, governments, and international organizations on strategic sustainability. He is ranked as a Global Leader in Business & Human Rights Law by Chambers & Partners (2021 & 2022). Yousuf previously specialized in international commercial disputes at Latham & Watkins LLP, advised Debevoise & Plimpton LLP on the design and launch of the Business Integrity Group, and clerked at the Supreme Court of Canada. He is also the founder of Enodo Rights, a leading human rights consulting firm, and the co-author of Business and Human Rights as Law (LexisNexis 2019). He is a devotee of tennis, magic realism, and the whims of his toddling despot. He lives in New York.

Admissions: New York and Ontario

Sarah K. Griffin


Sarah leads A2's sustainable finance work. She is a former partner of Milbank, Tweed, Hadley & McCloy LLP where she specialized in domestic and cross-border debt transactions as part of the Global Leveraged Finance group. Her work focused primarily on representing major banks and other financial institutions, including Barclays Bank, Credit Suisse, Deutsche Bank and Goldman Sachs, in connection with corporate and acquisition financings. Sarah holds a Bachelor of Arts degree from Georgetown University, a Juris Doctor from Columbia University and Master of Laws in international law from the London School of Economics. A native New Yorker, Sarah currently lives in her hometown of Manhattan with her husband, two young sons and two rescue cats.

Mary Johnson


Mary is an international lawyer with over a decade specializing in human rights litigation and corporate sustainability. She brings a wealth of experience engaging with vulnerable stakeholders, government officials, and international organizations on complex human rights issues. She is also a seasoned sustainability advisor to Fortune 100 companies; an expert on modern slavery governance in global supply chains, including compliance with the UK Modern Slavery Act and California Transparency in Supply Chains Act; and an Associate of the Global Business Initiative on Human Rights. Mary once led a sustainable ice cream start-up in Southeast Asia and is an avid sailor, kitesurfer, and general maritime enthusiast. She lives in London.

Admissions: California and England & Wales

Jochim Thies


Jochim has almost two decades of experience as in-house counsel—most recently as Senior Counsel Sustainability—at a multinational fast-moving consumer goods company. He was the lead counsel for the design and implementation of the company’s cutting-edge business and human rights program. He also advised on broader sustainability governance, disclosures, engagement, crisis management, and agricultural supply chain management. In his spare time, Jochim is a passionate landscape photographer and cook. He lives in Lausanne, Switzerland.

Admissions: Munich, Germany

Ellie Abramov


Ellie is a UK lawyer, called to the Bar of England and Wales, with expertise in international human rights law. Since joining A2, Ellie has been involved in advisory work for a global Fortune 100 food and beverage company, an assessment of human rights grievance mechanisms for a Fortune 100 industrial conglomerate, and two privileged human rights impact assessment for a global technology company. Ellie has previously worked at NGOs focusing on disability rights and children’s rights. She is fluent in English and Hebrew, with an understanding of French. She has an LL.M. degree from Harvard Law School, where she specialized in business and human rights.

Maria Luisa Saboya


Maria Luisa is an international lawyer with expertise in business and human rights and commercial disputes. Since joining A2, she has been involved in several human rights assessments, including a governance analysis for a European pharmaceutical company and a privileged human rights investigation for a Fortune 100 technology company. Maria Luisa previously worked at the international arbitration group of law firms in Paris, New York and Brazil. She also worked at the Inter-American Commission on Human Rights and with a Latin American civil society organization. She is fluent in Portuguese, English, and Spanish, with a strong understanding of French. She has an LL.M. degree from NYU School of Law.

Admissions: New York and Brazil

Andrew Stobo Sniderman


Stobo is an expert in indigenous rights and comparative constitutional law. He has argued before the Supreme Court of Canada, served as the human rights policy advisor to the Canadian minister of foreign affairs, and clerked for a judge of South Africa’s Constitutional Court. Stobo is the co-author of Valley of the Birdtail: An Indian Reserve, a White Town, and the Road to Reconciliation (HarperCollins 2022). He holds a Bachelor of Arts from Swarthmore College, a Master of Philosophy in international relations from Oxford, where he studied as a Rhodes Scholar, and law degrees in civil and common law from Harvard, Toronto and Ottawa. He lives in New York with his wife and stubbornly sleepless son.

Christina Roussakis


Christina is an international lawyer and expert in health law, Indigenous rights, and environmental regulation. Her work at A2 has included human rights impact assessments in Thailand and India; counsel on compliance with reporting standards across jurisdictions; advising on contract clauses for compliance with the Federal Acquisition Regulation and the Uyghur Forced Labor Prevention Act; and leading the drafting of a human rights report for a Fortune 100 fast-moving consumer products company. Prior to joining A2, Christina was an associate at a leading Canadian law firm, specializing in environmental regulation and health law. She regularly advised and represented health care institutions, First Nations and governmental bodies. Christina has a law degree from the University of Toronto and a graduate degree in Global Health. She previously worked in health system design and at the World Health Organization. She is fluent in English and Greek and proficient in Spanish.

Admissions: Ontario

Our Difference


Designed to Collaborate

We cooperate with business advisors—legal, strategic, financial, and public relations—to integrate our specialized legal advice in broader client strategy.


Stories to Share

Our counsel is privileged, but our solutions are made to be public. Engage better with a broad array of material stakeholders—investors, governments, courts, civil society, and vulnerable groups.


Fee Certainty

Our clients value price certainty and cost effectiveness. We cherish the freedom to focus on great work. We offer flat fees and other alternative structures where possible.