About the CAO : Staff

Arne Hoel, The World Bank

CAO's small but diverse team includes professionals from the private and nonprofit sectors with experience in dispute resolution, compliance, social and environmental best practice, cross-cultural communication, research, advocacy, and professional administration.

CAO Staff

Osvaldo L. Gratacós, Vice President and CAO

Osvaldo L. Gratacós was appointed as Vice President, Compliance Advisor Ombudsman by World Bank Group President, Jim Kim, following an independent selection process led by civil society, industry and academia. He assumed his post in July 2014. Prior to joining the World Bank Group, Mr. Gratacós was appointed by President Barack Obama as the Inspector General for the Export-Import Bank of the United States (Ex-Im Bank). As the Inspector General, Mr. Gratacós was responsible for inspections of transactions, audits, compliance reviews and fraud investigations relating to Ex-Im Bank’s US$100+ billion credit program portfolio involving over 150 countries. Formerly, Mr. Gratacós was a commercial counsel at Motorola, Inc. and was an attorney advisor and then Acting Legal Counsel to the Inspector General for the U.S. Agency for International Development, Office of Inspector General (USAID/OIG). Mr. Gratacós holds a Bachelors degree from the Inter-American University of Puerto Rico, a Professional MBA from the University of Massachusetts (Amherst), a Juris Doctor from the University of Florida, and a Masters in International Policy and Practice from The George Washington University.



Scott Adams, Senior Specialist, Dispute Resolution

Scott has over 23 years of diverse domestic and international experience in providing dispute resolution, management consulting, and training services. His clients and industry experience include the non-profit sector, government, higher education, utilities, health care, biotechnology, transportation, natural resources and extractives, agribusiness, and international development. Prior to joining CAO, Scott founded and managed a private mediation and consulting practice. He has also served in senior positions at Search for Common Ground and CDR Associates, and was formerly an Associate in Booz Allen Hamilton’s Organization and Strategy practice. Scott received his B.A. in Political Science and Russian from Emory University and an LL.M. in Public International Law from Leiden University in the Netherlands.


Daniel Adler, Senior Specialist, Compliance

Daniel Adler leads CAO's compliance function. Prior to joining CAO, Daniel worked in social development with the World Bank in the East Asia Pacific region. His work has focused on fragile and post conflict countries where he has covered issues including land management, resettlement, labor relations, social accountability and justice reform. An Australian national, Daniel is a Barrister and Solicitor of the Supreme Court of Victoria and holds degrees in law and social sciences from the University of Melbourne, Australia.


Charity Agorsor, Consultant Services Assistant

A Ghanaian national, Charity Agorsor came to the CAO with extensive experience from IFC's Industry Departments and provides procurement assistance to the CAO office. She is the contact point for all consultants hiring and other Resource Management transaction processing for the CAO.




Nadia Asgaraly, Consultant, Advisory
A French national born and raised in Madagascar, Nadia first joined the World Bank Group in 2013 working with the World Bank Independent Evaluation Group’s Financial & Private Sector Team. In 2016, she moved to New York to pursue her MPA in International Finance and Advanced Economic and Policy Analysis from Columbia University to further her quantitative analysis and research skills. Since completing her degree, she has worked as an Evaluation Consultant and Quantitative Analyst, building analytics and synthesizing findings for multiple teams within IEG, the Finance, Competitiveness and Innovation GP, and the World Food Programme’s office in Madagascar.



Gina Barbieri, Principal Ombudsman, Dispute Resolution

Gina Barbieri manages CAO's dispute resolution function and is a South African human rights lawyer and dispute resolution professional. Before joining the CAO she ran a legal practice specializing in mediation and other forms of alternative dispute resolution (ADR). She has mediated numerous disputes in the employment, commercial and community arena and is the author of two books on labor practice in the public and private sector. Gina co-authored and edited two IFC publications on the establishment of ADR Centers in emerging markets and guidelines on the practice of ADR. She is a co-founder of the African Institute for Mediation, served as the Deputy Head of the Africa Center for Dispute Settlement, Stellenbosch University Business School, and sat on the steering committee for the establishment of the African Mediation Association. She obtained her BComm LLB from the University of KwaZulu-Natal and is a CEDR (UK) and IMI accredited international mediator.



Cristiane Bená Dias, Research Analyst, Compliance

Cristiane Bená Dias is a lawyer specialized in environment and social aspects of large investments and has been working with CAO's compliance function since 2016. Prior to joining CAO, Cristiane worked as an in-house attorney of major national and multi-national companies located in Brazil. She has nine years of experience working with environmental and social impact assessments, permitting procedures, environmental and social due diligence, and stakeholder engagement and consultation related to development projects in Brazil and abroad. She holds a Doctor of Juridical Science (PhD equivalent) from American University Washington College of Law. Her dissertation focused on Communities’ Engagement in Environmental Impact Assessment in Brazil. She also holds a Master’s degree in International Environmental Law from Queen Mary University of London. Cristiane is a national from Brazil.



Anke Campbell, Program Assistant

Born in Idar-Oberstein, Germany, Anke migrated with her family to the United States at the age of 10. Prior to joining CAO, Anke worked as an Account Manager, providing tax credit services, and as a Senior Customer Service Representative in various insurance industries, focusing on vision and auto. Anke works directly with Gina Barbieri and assists specialists and consultants with travel logistics and administrative issues.




Silvia De Rosa, Research Analyst, Dispute Resolution

An Italian national, Silvia De Rosa is a lawyer and researcher specialized in human rights law. Prior to joining CAO, she served as advisor to the U.N. Special Rapporteur on extreme poverty and human rights, and as scholar in residence at New York University Center for Human Rights and Global Justice. Previously, Silvia worked for several years for the migrant and refugee rights committee at Amnesty International Italy and as a civil and commercial law attorney in Italy, while also volunteering for several social and environmental projects in Europe, India and Central America. Silvia graduated in international law from the Catholic University of Milan (Italy), with study sessions at American University Washington College of Law and the University of Technology, Sydney (Australia). She holds an LL.M. in European and International Human Rights Law from Leiden University (Netherlands).



Patrick Flanagan, Specialist, Compliance

Patrick has work at the CAO since 2011. His work has included reviews of IFC’s financial intermediary portfolio, agribusiness and renewable energy projects. Prior to CAO, Patrick worked for a large international consultancy firm, focusing on the financial and technology sectors. An Irish national, Patrick holds degrees in commerce, international economics and development.




Julia Gallu, Senior Specialist, Advisory / Dispute Resolution

Julia leads CAO’s Advisory Function and carries out some responsibilities in CAO’s Dispute Resolution Function. She is also CAO’s main contact point related to threats and reprisals in CAO cases. Since joining CAO in 2009 as a Dispute Resolution Specialist, Julia has handled complex, multistakeholder dispute resolution processes in diverse sectors and regions, including the mining and oil industry, agribusiness, and infrastructure. These cases addressed issues ranging from labor disputes to conflict over land, water, and impacts on Indigenous peoples and cultural heritage. Before joining CAO, Julia, a German national, was a senior sustainability risk manager at Swiss Reinsurance Company in Zurich, Switzerland, helping to develop sustainability risk management policies. Previously, she was part of the World Bank Group Extractive Industries Review team, and worked for IFC in the area of environmental and social standards and development impact measurement. Julia is a CEDR accredited mediator, and holds an M.A. in International Relations and International Economics from Johns Hopkins School of Advanced International Studies (SAIS) and a M.A. Joint Honours in Politics and Economics from the University of Edinburgh, Scotland.



Emily Horgan, Senior Specialist, Communications & Outreach

Emily Horgan manages communications and outreach for CAO, and is responsible for external affairs, reporting activities, and CAO’s civil society outreach program.  Before CAO, Emily worked for IFC's environment and social development department and the World Bank Group Extractive Industries Review, and in press and public relations in London.  A British national, Emily has an M.A. in International Relations and Economics from the Johns Hopkins School of Advanced International Studies (SAIS) and a B.A. Joint Honours in Politics and History from the University of Durham. 



Reiko Ishihara-Brito, Specialist, Compliance
Reiko has worked with CAO’s compliance function since 2016. She is an anthropologist who has more than 15 years of work and research experience collaborating with vulnerable and at-risk communities in areas of social impact assessments, indigenous peoples, labor issues, and cultural heritage in the US and Latin America. Prior to joining CAO, she was a consultant with international development organizations including USAID and GIZ. A Japanese national, she received her PhD and MA in Anthropology from the University of California, Riverside, and bachelor’s degree from the University of Tsukuba in Japan.


Sadaf (Safi) Lakhani, Specialist, Advisory

Prior to joining CAO, Safi cofounded a technology and consulting company that worked with Fortune 500 companies on management of social and environmental risk and optimizing social impact management in high-risk emerging markets. She has also worked for UNDP, the World Bank, the European Commission and the United States Institute for Peace managing projects and policy advisory for FCS as well as private companies in extractives, energy, agribusiness and finance sectors on risk and sustainability issues. Safi is certified in GRI Sustainability Standards training, holds a MSt from Oxford University in International Human Rights Law and a PhD in Social Policy from King’s College, London.


Sifiso Maposa, Research Analyst, Dispute Resolution

Prior to joining CAO, Sifiso worked at the Obama Foundation and at the United Nations Secretariat. She has experience in research, community mediation, communication, program management, civic engagement and community building from past roles at various organizations in Southern Africa, Asia and North America. Her areas of interest include violence prevention, conflict response and transformation with a focus on dialogue, conflict resolution strategies and multilateral efforts. Sifiso is a 2013 Hesselbein Fellow in Leadership and Civic Engagement. Originally from Zimbabwe, she received her B.A in International Relations and Diplomacy from the University of South Africa, and a Masters in Conflict Resolution from Columbia University in New York City.



Elizabeth Mensah, Specialist, Advisory

Elizabeth Mensah is a specialist in CAO’s Advisory Function. Elizabeth joined CAO in 2011 and led the revision of CAO’s operational guidelines and monitoring and evaluation system. From 2013-2019 she led and developed the Advisory Function which included the production of CAO advisory notes on land and supply chain, workshops on agribusiness, financial intermediaries and energy, and guidance documents on grievance mechanisms - among others. Prior to joining CAO, Elizabeth taught and researched at Johns Hopkins University. Her work has been regionally focused in Africa, specifically with regards to traditional land rights and chieftaincy systems, the impact of conflict on development, and local tools for violent conflict identification, management, and mitigation. A Ghanaian and Canadian national, Elizabeth holds a PhD in International Relations from Johns Hopkins School of Advanced International Studies (SAIS).



Maree Newson, Specialist, Compliance

Maree Newson conducts appraisals, investigation and monitoring work within CAO’s compliance team. Prior to her work with CAO, Maree advised on foreign investment policy with the World Bank Group’s Trade and Competitiveness Global Practice. Maree is qualified to practice law in New Zealand, where she advised public and private sector clients on corporate and regulatory issues including state-owned enterprises, banking and financial services, insurance, climate change, and fisheries. Maree received her LLM in international economic law, human rights, and development from Columbia University. She also holds Honors degrees in Law and Classical Studies from Victoria University of Wellington.



Nokukhanya Ntuli, Specialist, Dispute Resolution

Nokukhanya Ntuli is a South African lawyer, mediator, trainer, and process facilitator. Prior to joining CAO, she worked as a Constitutionalism and Rule of Law Expert in the Department of Political Affairs at the African Union Commission in Addis Ababa. She has extensive experience in mediation and has mediated commercial, employment, land, community, and electoral disputes. She has lived and worked the United Kingdom, Zambia, Uganda, Kenya, Liberia, Ethiopia, and South Africa in the private, public, non-profit, and multi-national environment. She has also conducted short term projects in Malawi, Botswana, Rwanda and Sierra Leone. She holds a Post Graduate Fellowship on Peace and Security from Kings College London and the African Leadership Centre, an LLM in Corporate Law from Nottingham Trent University, an LLB Honours from the University of Wolverhampton, and a Certificate in Transitional Justice and Peace-building from the United Nations Institute for Training and Research. She is an ADR Group (UK) Accredited Mediator, has served on the boards of several non-governmental organizations, and is currently a Board Member at the Centre for the Study of Violence and Reconciliation (CSVR) in South Africa.



Abisola Odutola, Research Analyst, Compliance

Abisola is a Nigerian national with environmental consultancy experience within various sectors and industries. Before joining CAO, Abisola worked in the United Kingdom as an environmental consultant on a range of projects involving environmental compliance and permitting, site investigations, environmental impact assessment, environmental management systems, and due diligence audits. Abisola received her MSc. in Environmental Technology (Water Management) from Imperial College London and a BSc. in Geology from the University of Ibadan.



Anne-Claire Olivera, Specialist, Dispute Resolution

A French national, Anne-Claire started her career practicing litigation and international dispute resolution in a Parisian boutique law firm. There, she represented States, companies and individuals before courts and international tribunals. In 2014, Anne-Claire moved to the United States to study at Georgetown University Law Center where she focused on international human rights. After graduating from an LL.M and successfully taking the New York bar exam, Anne-Claire worked as a Legal Fellow at Robert F. Kennedy Human Rights, focusing primarily on impact litigation cases before regional human rights mechanisms. She joined CAO in 2016. In addition to her LL.M, Anne-Claire holds a Maitrise (J.D. equivalent) from the University of Paris-Sud XI and a degree in Management from leading French business school, HEC.



Andrea Repetto Vargas, Specialist, Dispute Resolution

A Chilean national, Andrea Repetto has a background working on human rights issues in Latin America. Prior to joining CAO in 2010, Andrea worked as a human rights specialist at the Inter-American Commission on Human Rights, following-up on human rights and international humanitarian law aspects of the demobilization process of the illegal armed group United Self-Denfense Forces of Colombia (AUC), and as country lawyer for Brazil. She also worked in Chile on public interest matters for academic and non-governmental organizations. Andrea holds a law degree from the University Diego Portales in Chile, and a LLM in international and comparative law from the George Washington University Law School. As a dispute resolution specialist for CAO, Andrea has handled multistakeholder dialogue processes in a variety of sectors in Latin America and Africa to address complex environmental and social project issues including health, water, labor, land, and pollution.



Laura Romero Villamizar, Consultant, Compliance
Laura Romero Villamizar is a lawyer and literature scholar from Colombia. She graduated with a master’s degree from the Yale Jackson Institute for Global Affairs. Prior to joining CAO, Laura worked for Occidental Petroleum’s subsidiary in Colombia, where she supported the company’s implementation of the United Nations Guiding Principles for Business and Human Rights and participated in the development of a corporate peace-building strategy. Laura also interned at the World Bank Inspection Panel in 2018, where she conducted research on dispute resolution mechanisms as a tool for accountability in multilateral development banks.



Amenah Smith, Program Assistant
Amenah is an Indonesian national. Prior to joining CAO she was working for the World Bank Group in Jakarta as a Program Assistant in the Operations Services Unit, Legal Department, as well as a Country Program Assistant for the Indonesia Country Management Unit in Washington, DC. Amenah joined CAO as a back up for the Consultant Services Assistant and provides administrative support to the office.



Former CAO Leadership