Our award winning team of experts have over 50 years experience in the anti-slavery and counter trafficking sector.

Jenn Morris
CEO, Walk Free Foundation
Jacqueline Joudo Larsen
Head of Research
Katharine Bryant
Research Manager
Dr. Davina P. Durgana
Senior Researcher
Elise Gordon
Research Analyst
Stella Freitag
Jenn Morris CEO, Walk Free Foundation

Ms Morris holds a senior position at the Minderoo Foundation as Chief Executive Officer of the Walk Free Foundation and part of her role is leading the Bali Process Government and Business Forum. Ms Jennifer Morris was appointed as a Non-Executive Director of Fortescue Metals Group in November 2016. Ms Morris is a former Partner in the Consulting Division of Deloitte, where she specialised in complex large-scale business transformation programs and strategy development. She has senior corporate governance experience and is currently a Commissioner of the Board of Australian Sports Commission, a former Director of the Fremantle Football Club and the Western Australian Institute of Sport. She was also the Chairperson of the Board of Healthway, the government’s peak health promotion body.

Ms Morris was previously a member of the Australian Women’s Hockey Team, where she won Olympic gold medals at the Atlanta 1996 and Sydney 2000 Olympic Games. In 1997, she was awarded a Medal of the Order of Australia (OAM). She is a Member of the Australian Institute of Company Directors, a Fellow of Leadership WA, an affiliate member of Chartered Accountants Australia and New Zealand, a member of the Vice Chancellor’s List, Curtin University and holds a Bachelor of Arts (Psychology and Journalism) received with Distinction and completed the Finance for Executives at INSEAD

Jacqueline Joudo Larsen Head of Research

Criminologist and Senior Research Manager at the Walk Free Foundation and author of the Global Slavery Index. Jacqueline oversees the survey and quantitative research program and has previously led research on human trafficking, international students, and violent extremism at the Australian Institute of Criminology.

Katharine Bryant Research Manager

Research Manager at the Walk Free Foundation and author of the Global Slavery Index. Katharine oversees the qualitative research program, including the government response component of the GSI. Katharine has worked in counter trafficking and anti-slavery programming and research for seven years.

Dr. Davina P. Durgana Senior Researcher

Senior Researcher on the Global Slavery Index at the Walk Free Foundation and a Professor at World Learning’s School of International Training Graduate Institute. Davina’s prior work has focused on statistical modelling of human trafficking prevalence and vulnerability, which she applies in her role on the Global Slavery Index statistical team. Davina is also the 2016 recipient of the American Statistical Association’s Harry V. Roberts Statistical Advocate of the Year Award, for her PhD dissertation and post-dissertation work on modern slavery and human trafficking.

Elise Gordon Research Analyst

Elise is a Research Analyst for the Walk Free Foundation, contributing to both the quantitative and qualitative components of the Global Slavery Index, as well as other Walk Free Foundation research projects. Elise’s previous work was in quantitative public health research, focusing on alcohol epidemiology and policies to reduce the effect of alcohol on violence and other alcohol-related harms to the community. Elise holds a Bachelor of Health Sciences from Curtin University and is currently undertaking postgraduate study in Biostatistics through the University of Queensland.

Stella Freitag Researcher

Stella Freitag is a Researcher for the Walk Free Foundation and contributes to the qualitative research of the Global Slavery Index, including the government response component of the GSI and country assessments. She has both a qualitative and quantitative research background in the social sciences, with a strong emphasis on human rights, development theory and practices and a passion for gender equality. She holds a Master’s degree in International Relations from the University of Western Australia and a Bachelor’s degree in Political Science and Public Administration from the University of Konstanz in Germany.


The Walk Free Foundation holds biannual expert working groups with academics and anti-modern slavery experts from around the world.

Professor Kevin Bales
Samantha Chiu
Jan Van Dijk
Dr. Sheldon X. Zhang
Claire Healy
Phil Marshall
Pablo Diego-Rosell
Jacob de Hoop
Professor Kevin Bales

Kevin Bales CMG is Professor of Contemporary Slavery in the School of Politics and International Relations at the University of Nottingham and Research Director of the Rights Lab, a University of Nottingham Beacon of Excellence that focuses on research to help end modern slavery. He was the co-founder of the NGO Free the Slaves and his most recent book is Blood and Earth: Modern Slavery, Ecocide, and the Secret to Saving the World.

Samantha Chiu

Samantha is a data analyst in Washington, D.C. specializing in quantitative survey research and data collection in hard-to-reach populations. She designs and manages fieldwork operations in post-conflict, crisis, and war zones around the world. More recently, she has worked in Afghanistan, Bangladesh, China, Haiti, Indonesia, and Malaysia.

Her past projects include leading public opinion surveys for D3 System’s Women in Muslim Countries Project and Gender Research Initiative; and, launching coding and statistics programs for women – including, Women Who Code in Accra, Ghana. Samantha’s past clients include Asante Africa Foundation, Counterpart International, Department of Defense ,USAID,  World Bank, and U.S. State Department. She is the past-chair of business for Statistics Without Borders and head of research for Witness Change.

Jan Van Dijk

Jan Van Dijk is emeritus professor of victimology at the International Victimology Institute of the University of Tilburg, The Netherlands and visiting professor of victimology at the University of Lausanne, Switzerland. He is Vice President of the Group of Experts on Action against Trafficking in Human Beings (GRETA) of the Council of Europe and presides the chamber handling cases of sexual abuse in youth institutions of the Dutch State Compensation Fund. He is a former director of the Research Centre of the Dutch Ministry of Justice and worked as director for the United Nations Office on Drugs and Crime in Vienna between 1999 and 2006. In 2012 he received the Stockholm Prize in Criminology.

Dr. Sheldon X. Zhang
Chair and Professor at the School of Criminology and Justice Studies, University of Massachusetts Lowell. Dr. Zhang’s research mostly revolves around transnational organised crime, human trafficking, and offender reentry programs in the U.S.

Claire Healy

Research Officer at ICMPD’s Anti-Trafficking Programme. Claire is the author of Targeting VulnerabilitiesThe Impact of the Syrian War and Refugee Situation on Trafficking in persons – A Study of Syria, Turkey Lebanon, Jordan and Iraq (December 2015).  Claire has also been working with the ECOWAS Commission on combating trafficking in West Africa since 2013, and has composed the ECOWAS Annual Synthesis Reports on Trafficking in Persons, 2014, 2015 and 2016. Working at ICMPD since 2011, Claire has coordinated research projects on trafficking and migration at the Brazilian land borders for the Brazilian government, and on child begging in Europe, co-authoring a study on child begging for the European Commission. Her study on citizenship acquisition was published by the Portuguese Migration Observatory, and she co-authored a study and manual on combating trafficking for exploitation through begging, as well as authoring publications and academic articles on various migration and trafficking issues. She has a particular focus on trafficking research methodology and the intersection of research and policy.

Phil Marshall

Phil Marshall has been working on programmes to combat human trafficking and forced labour for the past 18 years. Phil is currently focusing on emerging approaches to trafficking including work to combat exploitative labour practices through targeting supply chains, government procurement practices and proceeds of crime. Phil has a particular interest in 1) ensuring that the design of programmes to respond to trafficking and forced labour are better aligned with accumulated knowledge within and outside of the sector, and 2) the potential to “crowd out” exploitative business practice through initiatives such as the development of cleaner migration pathways and the promotion of ethical buying behaviour.

Pablo Diego-Rosell

Senior Researcher at Gallup currently collaborating with Walk Free on the development and implementation of the survey program underpinning the Global Slavery Index.  Pablo Diego- Rosell serves as an external technical advisor to Walk Free and has been actively involved in the development of forced labour estimation methodologies with the ILO. Over the past 10 years, Pablo has led quantitative and qualitative research studies on child labor, forced labour and human trafficking in five continents and 35 countries.

Jacob de Hoop

Jacob works for UNICEF Office of Research – Innocenti as a social policy specialist. His research examines how social protection programs implemented in developing countries and humanitarian contexts affect children and adolescents. Before joining UNICEF, Jacob worked as a research economist at the International Labour Organization (ILO), was affiliated with the Paris School of Economics as a Marie Curie postdoctoral fellow, and worked for the World Bank on the evaluation of a cash transfer program in Malawi. Jacob holds a Ph.D. in Economics from the Tinbergen Institute in Amsterdam.