GBCAT is composed of global businesses committed to ending all forms of modern slavery.

Current Members


GBCAT draws on and benefits from the services of a number of expert advisors. 

david arkless-2.jpg


Founder and Chairman of Arklight Consulting and Former President of Corporate and Government Affairs, Manpower Inc.


+ About David

David Arkless is founder and chairman of ArkLight Consulting.

Arkless was formerly president of corporate and government affairs at Manpower Inc., a position he attained in December 2008 after being promoted from senior vice president of Global Corporate Affairs. He joined Manpower in 1993.

Arkless is a world-renowned expert on labor market trends and has widespread experience of helping countries to develop their labor market strategies. He is responsible for governmental and international affairs and as such has been called to advise the governments of Egypt, China, Vietnam, the UAE, the Crown-Prince of Serbia, and the city of Shanghai, in addition to being an advisory board member for the U.S. Department of State and CIETT, the international confederation of private employment agencies.

Arkless serves as an advisory board member of both the International Organization for Migration and the office of the United Nations High Commissioner for Refugees. He has been named special envoy of the End Human Trafficking Now! movement and was appointed as a core advisor on the Private Sector Panel of UN.GIFT, the recently launched UNODC global initiative to fight Human Trafficking.


Dawn Conway

CEO, Boost Engagement LLC


+ About Dawn

Dawn is responsible for overall corporate leadership and execution of all brands within the Boost Engagement portfolio. Boost Engagement, LLC is a WBENC-Certified Women’s Business Enterprise comprised of four dynamic and progressive business brands customers. Shumsky specializes in made-to-order promotional products and online fulfillment stores. Boost Rewards is a full-service employee engagement company that develops online rewards and recognition programs that drives business objectives and improves culture. For 32 years, Shumsky Therapeutic Pillows has provided millions of pre and post-operative pillows to over 1,000 hospitals and millions of patients across the country. Outta the Box Dispensers, LLC are manufactured with focus on maximizing brand messaging for at-shelf POS, appealing to consumers when it matters most – in the store. Our family of companies was recently named on the Top 50 Fastest Women Owned Businesses in the world.

Dawn is the former Chief Operating Officer of Cision, where she led sales, marketing, finance, analysis, research and content acquisition to drive the overall strategic vision for North America. Prior to joining Cision in 2012, Dawn held key leadership positions over a 20 year career within LexisNexis in corporate responsibility, global licensing, business development, sales and marketing.

Dawn is an attorney and current member of the District of Columbia Court of Appeals, and a past member of the American Bar Association Anti Human Trafficking Task Force. She is the 2011 recipient of the Nomi Network CSR award for her anti human trafficking work. Dawn is is a frequent speaker on the role of business in combating human trafficking and is the co-author of Doing Well by Doing Good “CSR for Bars” published in the Spring 2012 Bar Leader Magazine, an ABA publication.



BSR Senior Advisor, Advisor to the Mekong Club


+ About Mark

Throughout a 30-year career at Standard Chartered Bank, Mark Devadason has had broad based management experience with wholesale banking, consumer banking, and human resources.

He was also a country CEO for Standard Chartered Bank in Thailand—where his leadership on employee engagement initiatives led the bank to win the Gallup Great Workplace award in 2010—and in Japan.

Most recently, Devadason has been responsible for successfully launching an enterprise-wide social collaboration tool to promote internal networking and collaboration across the company. He also led the bank’s founding sponsorship of the global #TellEveryone campaign to promote the Sustainable Development Goals to seven billion people within seven days of ratification.

As Standard Charter’s global head of sustainability in Hong Kong, Devadason was in charge of the group’s overall sustainability agenda, a core part of the bank’s strategy to build a sustainable business by contributing to economic growth, leading as a responsible company, and investing in the future of communities. Devadason led the team responsible for the bank’s environmental and social risk management function, and all of its environment, employee volunteering, and community investment activities.

During his tenure in Thailand, he also served as chairman of the British Chamber of Commerce of Thailand and second vice chairman of the Association of International Banks. In Japan, he served on the board of the British Chamber and took on the role of chairman of the International Bankers Association Banking Sector Committee. He is also on the Advisory Board of Ethical Corporation.

Devadason graduated from the University of Bristol in the U.K. with a Bachelor’s degree in Philosophy and Economics. He has also completed several management programs, including courses at INSEAD, Templeton, and the London Business School


Amb. Mark Lagon

Chief Policy Officer, Friends of the Global Fight Against AIDS, Tuberculosis, and Malaria


+ About Mark

Mark P. Lagon is Chief Policy Officer for Friends of the Global Fight Against AIDS, Tuberculosis and Malaria. He is Founding Counselor of GBCAT and serves on its Board of Directors.

Lagon previously held positions at Georgetown University, and was Executive Director and CEO of the leading anti-human trafficking nonprofit, Polaris Project, which operates the U.S. Government’s national anti-trafficking hotline (1-888-3737-888).

From 2007 to 2009, with rank of Ambassador, Lagon directed the Office to Monitor and Combat Trafficking in Persons (TIP) at the U.S. Department of State. As such, he chaired by statute the Senior Policy Operating Group coordinating all U.S. agencies efforts to combat human trafficking domestically and internationally.

From 2004 to 2007, Lagon served in the Bureau of International Organization Affairs at the U.S. Department of State as Deputy Assistant Secretary, where he had lead responsibility for United Nations-related human rights and humanitarian issues, UN reform, and outreach.

Lagon previously served as a member of the Secretary of State Colin Powell’s Policy Planning Staff, where he focused on UN, democracy and human rights (2002-2004).

From 1999 to 2002, he was on the senior staff of the Senate Foreign Relations Committee, with responsibility including the United Nations and human rights.

Previously he won a Council on Foreign Relations Fellowship, where he specialized on U.S. policymaking toward in China (1998-1999); served at House Republican Policy Committee (1997-1998); worked for former UN Ambassador Jeane Kirkpatrick as her principal aide at the American Enterprise Institute.

Dr. Lagon is currently a Member of the Leo Nevas Task Force on Human Rights of United Nations Association; the Board of Directors of the Council for a Community of Democracies, as well as the Advisory Boards of ECPAT-USA (End Child Prostitution Child Pornography and Trafficking of Children for Sexual Purposes) and The Stanley Foundation.

He is author of the book, The Reagan Doctrine: Sources of American Conduct in the Cold War’s Last Chapter, and dozens of published essays on human trafficking, human rights, the UN, and U.S. policy making, notably regarding China. He is co-editor with Anthony Arend of the forthcoming book, Human Dignity and the Future of Global Institutions. He has a Ph.D. from Georgetown University and an A.B. magna cum laude from Harvard College.



BSR Senior Advisor and Former Senior Vice President of Global Corporate Affairs, CH2M


+ About Theresa

Theresa Loar has been working at the nexus of business, human rights, and diplomacy for more than 30 years with leadership positions across corporations, NGOs, and the U.S. government.

Most recently, she was senior vice president for global corporate affairs at CH2M, a Fortune 500 engineering consulting firm. In this capacity, she initiated and led a global response to modern slavery issues raised in CH2M infrastructure programs in the Middle East. She built a team to embed preventive measures in management systems and engaged with governments, clients, NGOs, and industry peers to forge effective alliances to prevent slavery in supply chains.

During the Clinton Administration, Loar worked in the White House and the U.S. Department of State to promote and protect women’s human rights under the leadership of First Lady Hillary Clinton and Secretary of State Madeleine Albright. She co-led a presidential task force to develop policy to combat human trafficking and introduced the Prevention, Protection, and Prosecution framework into testimony before the U.S. Congress. She was also the founding president of the Vital Voices Global Partnership, founded by Hillary Clinton to invest in women to improve the world. As a foreign service officer, Loar served in diplomatic assignments overseas and in Washington, D.C. She is a member of the board of directors of the Women’s Foreign Policy Group and RAD-AID International, a trustee of the Social Mobility Foundation in London, and a member of the Vital Voices D.C. Council.


Robert Rigby-Hall

President, Beacon Global Group


+ About Robert

Robert Rigby-Hall is a senior executive with over 25 years of global experience specializing in human resources and general management. He has run businesses and lived and worked in the United States, UK, Europe, and Asia.

Robert is the President of Beacon Global Group who are uniquely placed at the center of a series of global relationships with banks, accountants, lawyers, tax specialists and US & local independent financial advisors serving the unique financial investment needs of Americans where ever they are in the world.

Until 2015 he was Chief Human Resources Officer of NXP Semiconductors (NASDAQ: NXPI), with 28,000 employees in more than 25 countries and revenues in excess of $5.6 billion. Prior to that he was SVP, Human Resources Officer of LexisNexis, a global provider of information and technology solutions to professionals in legal, risk management, and accounting sectors. During his tenure with LexisNexis he also served as CEO of their businesses in Asia Pacific. Robert’s early career was in compensation and benefits consulting followed by the FMCG and Media sectors.

His broad experience also includes being a Board Director of a privately held financial services business; a Trustee of Boys Town of New York; a founder and Advisor to the Global Business Coalition Against Human Trafficking and an Advisory Board member of a global HR consulting business. He holds a Certificate in Corporate Governance from Kellogg Northwestern University and was the recipient of the Business Leadership Award by United Nations Global Compact.

A BSR Collaboration

BSR provides executive leadership and secretariat support for GBCAT. BSR is a global nonprofit business network and consultancy dedicated to sustainability. BSR collaborations bring together more than 400 companies, spanning multiple sectors and geographies, to strengthen company performance, improve markets and industries, and contribute to systemic change for a more just and sustainable world. 

BSR Staff


Peter Nestor

Director, Human Rights


+ About Peter

Peter leads BSR’s consulting and collaborative initiative efforts on human rights, including BSR’s cross-industry Human Rights Working Group. He has supported companies through a range of human rights consulting projects, with expertise in the information and communications technology, extractives, food and agriculture, and financial services industries.

Peter’s engagements include conducting human rights impact assessments, developing human rights policies and strategies, and implementing field-level projects involving internal capacity-building, stakeholder and rights-holder engagement, and internal human rights management system development.

Prior to joining BSR, Peter was an attorney at an international law firm based in the United States. He spent significant time in China working as a journalist with the Economist Intelligence Unit and as a freelance strategy consultant in Shanghai.

Peter holds a J.D. from the University of Washington and a B.A. in Political Science from Middlebury College, and speaks Mandarin Chinese and English.


Shubha Chandra

Associate, Human Rights


+ About Shubha

Shubha brings her expertise to BSR’s consulting and collaboration efforts on human rights, including the cross-industry Global Business Coalition against Human Trafficking and Human Rights Working Group.

Prior to joining BSR, Shubha managed the human rights program at the UN Global Compact. In this role, she worked closely with companies across sectors to demystify the business case for human rights and develop guidance on various human rights topics. She also served as legal counsel for the organization under its chief legal officer.

Shubha began her career in business and human rights working on international human rights cases at a Washington, D.C., law firm. In law school, Shubha worked at several human rights organizations and at the U.S. Department of Justice. She also worked in western Kenya on a peace-building and conflict mitigation project funded by the European Union.

Shubha holds a J.D. from New York Law School and a B.A. in International Affairs from George Washington University.