Our Team

Sherpa’s operations are ensured by a permanent staff of 6 people. The association also benefit from a committee of experts and a network of lawyers. Sherpa’s activities also depend on the generous support of its volunteers and interns.

The Permanent Team

Photo portrait Sandra Cossart-minSandra Cossart – Director

Since 1 November 2017, Sandra Cossart is Sherpa’s director.

Prior to this position, Sandra headed the Globalisation and Human Rights Program within Sherpa for almost 8 years. She was a leading voice on the need to change the legal framework so that legal structures would reflect economic reality and contribute to achieving access to justice for victims of corporate violations of human rights.

During this period, Sherpa was at the forefront of some of the most important milestones in corporate liability for human rights, bringing new strategic litigation cases and testing innovative legal ground to fight against corporate impunity.

Sandra played a pivotal role in the development of the ground-breaking duty of vigilance legislation that was adopted in France in March 2017 after 5 years of intensive advocacy work. She also regularly engages constructively with and provides expert advice and submissions to various stakeholders, including the French government, and therefore took an active participation in the development of the French National Action Plan on Business and Human Rights. Sandra has been representing Sherpa in several national and international networks such as the French CSR Forum, the European Coalition for Corporate Justice and OECD Watch.

With over twenty years of experience and decade in defending and protecting victims of economics crimes, fighting impunity, and advocating and implementing for changes of legal frameworks, Sandra is frequently invited to speak at high-level events around the world, such as the UN Forum on Business and Human Rights and OECD Global Forum on Responsible Business Conduct.

Prior to heading the GHR Program at Sherpa, Sandra had spent 8 years in England. She was working as a legal consultant for companies before volunteering for the Business and Human Rights Resource Centre, conducting legal and general research for two years. Prior to that experience, she worked at a law firm in Paris where she provided counsel and litigation services, notably in business law. She also provided pro bono representation and legal advice to asylum seekers and refugees.  Before her legal career, she worked within international organizations such as the European Parliament and the Council of Europe, as well as for the European Union in Russia.

Sandra is the author of many scholarly legal articles, news articles, and op-ed’s and has participated in TV and radio news programmes and documentaries. She is also a member of the board of the non-profit organization RSE-et-PED, which aims to equip actors from the Global South with better access to information, CSR expertise and tools.

Sandra Cossart holds a Master of Laws degree from the University of Paris I Panthéon-Sorbonne, as well as degrees from Sciences Po in Paris, the College of Europe in Bruges (LLM), Inalco (Russia) and the London School of Economics. Sandra is a French national and fluently speaks French, English and Russian.

Sandra Cossart is fluent in English and Russian.


Photo Marie-Laure Guislain-minMarie-Laure Guislain – Head of litigation – Globalisation and Human Rights programme

Marie-Laure Guislain is a lawyer by training. She holds a Master 2 in European Law and International Affairs from Paris II and an LLM in International Cooperation (humanitarian and human rights) from VUB University in Brussels. After some time working as a volunteer supporting immigration rights in France, she produced a documentary about the human rights of migrants in Argentina.

In 2010, she worked in Buenos Aires for CELS, a human rights NGO, and was active in the management of development projects. In 2011, she continued her project management work in Colombia to protect natural resources and the rights of communities displaced by conflict. She joined Sherpa in 2012.

Marie-Laure speaks English and Spanish fluently.

Photo Tiphaine Beau de Loménie-minTiphaine Beau de Loménie – Lobby officer – Globalisation and Human Rights programme 

Within the team, her work focuses on the French law on the duty of vigilance of parent and commissioning companies.

Prior to joining Sherpa, she spent some time at the Permanent Mission of France to the UN in Geneva, where she followed, among other things, the “Business and Human Rights” thematic issue. She also spent time in the private sector, as a junior consultant for a firm specialized in corporate social responsibility (CSR).

She graduated from Sciences Po Paris with a Master in Economic Law. She also passed the entrance exam to the French Bar professional training (CRFPA) and is currently taking a gap year from the program to work with Sherpa. Her academic training also took her to the United States, at UC Berkeley School of Law and in India, where she lived for a year.

Tiphaine is fluent in English.

Photo Simon Quet-min

Simon Quet – Fundraising and Administrative Manager

He graduated from Sciences Po Lille in 2009 and started working with the NGO Aide et Action on a Franco-Guinean program, in particular on mining industry. He then integrated the Cultural Action and Cooperation Service of the French Embassy in South Sudan, where he was supporting Local Civil Society Organization in developing and implementing development projects during the independence of the country.

In 2012, he joined the humanitarian sector, working mainly on water and food security issues in South Sudan, Irak and Central Africain Republic. During his last mission in 2016 and 2017, he led Action Against Hunger Emergency Programs in CAR, supporting mainly populations displaced and affected by the ongoing civil war. He joined the Sherpa Team in January 2018 after working abroad for 7 years.

Simon speaks English fluently

Photo Clara Gonzales-min

Clara Gonzales – Litigation and communication officer

She graduated from La Sorbonne in international law. She worked on the trial of Hissène Habré, former tchadian dictator, in Dakar, Senegal with Human Rights Watch.

She then worked in the field of women’s rights in France in the Women’s Foundation, coordinating the “Legal task Force” that provides support for women’s rights association on litigation, lobbying and research.

She joined the Sherpa Team in January 2018. She is an alumni from the European Center for Constitutional and Human Rights (ECCHR).

Clara speaks English fluently.

Photo Laura Rousseau-min

Laura Rousseau – Head of Illicit Financial Flows program

A legal expert specialized in international and european law, she joined Sherpa in 2018.

Previously, she worked during 4 years in the field of money laundering and terrorism financing prevention for an important public institution. Prior to this experience, she worked as an analyst in the financial security sector for an investment bank and for an energy trading platform. Laura also acquired an extensive criminal litigation experience with a law firm in Paris.

Laura speaks English and Spanish.

The Board of Directors

Photo Franceline Lepany-minFranceline Lepany – President

Franceline Lepany was admitted to the Paris Bar in 1972. She focused on fighting sexual trafficking and labor exploitation. She is active in several associations dealing with these issues and headed a sex workers organisation “Le bus des femmes”, providing with ressources for sex workers in France.

She is now an honorary lawyer and was a very active member within Sherpa since her arrival in 2015 as a Board member. She was nominated President in december 2017, taking over William Bourdon.

Photo W BourdonWilliam Bourdon – Founder of Sherpa

William Bourdon is a lawyer and founder of Cabinet Bourdon & Associés, where he works primarily on business, media and criminal law. He is also a promminent human rights lawyer in France. He represented Franco-Chilean families in the lawsuit filed in October 1998 against General Augusto Pinochet, he also represented civilian groups in the French case against Serbs charged with war crimes.

He served as General Secretary of the International Federation for Human Rights (FIDH) from 1995 to 2000. William has written several books on international justice and human rights. His last book, Petit manuel de désobéissance citoyenne, was published in 2014 by Éditions JC Lattès.

William Bourdon is the founder of Sherpa. He has been on the organization’s Board of Directors since September 28, 2001.

 Eric Alt photo NBEric Alt – Vice President and Secretary

Eric Alt was vice-president of the Syndicat de la magistrature and of MEDEL (Magistrats Européens pour la Démocratie et les Libertés). He co-authored the “Que-sais-je” book on the fight against corruption (PUF, 1997) and L’Esprit de Corruption (Le Bord de l’eau, 2012). He is currently deputy magistrate at the court of cassation.

Eric has been on the organization’s Board of Directors since June 10, 2011.

 Jean Meckaert photo NBJean Merckaert

Jean Merckaert has been Senior Editor of Revue Projet since May 2010. Prior to that, he worked for CCFD-Terre solidaire, where he was responsible for issues relating to development funding and he also managed Plateforme Paradis Fiscaux et Judiciaires. He has authored numerous CCFD reports on ill-gotten gains, tax havens and debt in developing countries.

Jean has been on the organization’s Board of Directors since June 10, 2011.

Chantal Cujar_NBChantal Cutajar

Chantal Cujar has a PhD in private law and criminology, and is a senior HDR lecturer at the University of Strasbourg’s law faculties. She is director of the Master Juriste Conformité / Compliance Officer program and of the European College of Financial Investigations and Analysis of Financial Crimes (CEIFAC). A specialist in the fight against organized crime, she also directs the Groupe de Recherches Approfondies Sur la Criminalité Organisée (GRASCO) and has authored numerous books and articles on money laundering, corruption and the fight against organized crime.

Chantal has been on the organization’s Board of Directors since June 10, 2011.

mireille delmas marty photoMireille Delmas-Marty

Mireille Delmas-Marty is professor emeritus in private law and criminology. Following a brief period as a teaching assistant at the University of Paris’ faculty of law (1967–1970), she taught at the universities of Lille II (1970–1977), Paris XI (1977–1990) and Paris I (1990–2002). She was a member of the Institut universitaire de France (1992–2002) and was elected to the Collège de France, where she has held the Chair in Comparative Legal Studies and Internationalisation since 2002. In 2007, she was elected as a member of the Académie des Sciences Morales et Politiques.

Mireille has been on the organization’s Board of Directors since March 29, 2008.

Laurence Sinopoli

Laurence Sinopoli has been a teacher and researcher at the University of Paris X Nanterre since 2000 and is director of the European and Comparative Law Research Centre (CEJEC).The relationship between international private law and human rights is the focus of her teaching and her research.She founded a law clinic to support the university’s interactions with civil society and to stimulate thinking on the effectiveness and efficiency of law.She wrote her thesis and several articles on the right to a fair trial in private international affairs, and she is determined to show that the implementation of standards in the area of human rights is hindered by a cruel lack of means for their implementation. She recently co-directed a publication entitled Les actions en justice au-delà de l’intérêt personnel (Dalloz).

Laurence has been on the organization’s Board of Directors since December 13, 2013.

maxresdefault Géraud de la Pradelle

Géraud de la Pradelle is professor emeritus at the University of Paris X. Holder of the highest distinction in Law (aggrégé de droit) he worked extensively in the field of International private Law, with a focus on humanitarian law and the law of war.

He is the author of numerous books, such as “L’homme juridique” or “Droit international Privé”.

He was involved in many instances linked with the Palestinian cause, notably as a member of the Information Center on Lebanese and Palestinian refugees.

His focus on the Rwanda genocide also led him to the Presidence of the Citizen Investigation Commission on the French implication in Rwanda in 2004.

Géraud de la Pradelle has been on the organization’s Board of Directors since June 19, 2018.

Sylvie O’Dy

Sylvie O’Dy is a journalist and writer. Holder of a law degree, she worked as a journalist in many French newspapers before becoming editor-in-chief of l’Express from 1987 to 2001. She then continued to be editor-in-chief in Ca m’intéresse and Notre Temps, while writing numerous books and articles.

She was the President of the Committee against Modern Slavery, which seeks to give legal advice and administrative support to victims of slavery between 1999 and 2005, and from 2012 to 2015. The Committee deals with all types of contemporary forms of enslavement, which goes from domestic slavery to sexual slavery.

Sylvie O’dy has been on the organization’s Board of Directors since June 19, 2018.