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Executive committee

The executive committee is responsible for considering, discussing, consultating and general policy decision-making body which seeks to implement the Group’s strategic direction.


Veolia's executive committee meets every month to determine the company’s overall direction and make key decisions. The Executive Committee is assisted by a series of specialized bodies working on cross-divisional issues of significant scope.

In addition, a management committee representing all Veolia functions and regions meets every two months to discuss the full range of issues and prospects affecting the company.




  • Estelle Brachlianoff
    Chief Executive Officer

    Born on July 26, 1972, Estelle Brachlianoff is a graduate of the École Polytechnique and the Ponts et Chaussées engineering school. She joined the Val-d’Oise infrastructure department of the Paris metropolitan area in 1998 as head of the major infrastructure department. In 2002, she became advisor to the Prefect of the Ile-de-France region, in charge of transportation and development. She joined Veolia Environmental Services in 2005 as special advisor to the CEO. She became CEO of Veolia Environmental Services Cleaning and Multiservices in 2008 and of Veolia Environmental Services Ile-de-France in 2010. In 2012, she became CEO of Veolia Environmental Services in the UK. She was also a member of the President’s Committee of the Confederation of British Industry (CBI) from 2013 to 2018 and was President of the French Chamber of Britain from June 2016 to July 2018. A member of Veolia’s executive committee since 2013 and director of the UK and Ireland zone from 2013 to 2018, Estelle Brachlianoff was Veolia’s deputy CEO since September 1, 2018 to 2022.

    On July 1, 2022, She became Chief Executive Officer of Veolia.

    Since 2019, Estelle Brachlianoff has been a member of the Supervisory Board of Hermès International and a member of its Audit and Risk Committee and its CAG-CSR Committee.

  • Isabelle Calvez
    Senior Executive Vice President, Human Resources

    Isabelle Calvez joined Veolia on April 2022 as Group Senior VP of Human Resources. 
    She graduated from the Institute of political studies of Paris in 1986, she began working in an Executive Search company before joining the group Thomson-CSF (Thales). After various HR roles, in 1996, she was appointed the Director of strategy and international cooperations of the activities of communication electronic warfare. In 2000, she joined the group Canal+ as HR VP of Canal+ Technologies and HR Development VP of the group. She was appointed HR VP France and Benelux of Accenture in 2003, Group HR VP of Groupama in 2007 and Human Resources VP of Carrefour France in 2012.
    In 2017, Isabelle turned to the environmental sector by taking the position of HR Director for the SUEZ Group before joining Veolia in 2022.

  • Sébastien Daziano
    Senior Executive Vice President, Strategy & lnnovation

    Born on May 27, 1978 in Nice, Sébastien Daziano is a graduate of Sciences Po and an alumnus of ENA (Ecole Nationale d'Administration).

    He began his career in 2003 as a sub-prefect in Nancy, then joined the Ministry of Foreign Affairs as a chargé de mission for Turkey and Cyprus. From 2008 to 2010, he was Chief of staff to the Minister of Trade at the Ministry of Finance. In 2011, he joined the Home Office as security Advisor to the Minister. From 2012 to 2015, he was the financial Director of the Paris Police Prefecture. In 2015, he became Chief financial Officer at the National Police headquarters. In 2019, he became the Head of Group executive coordination, public affairs and security at Suez. For ten years, he was a lecturer in economics at Sciences Po. Today Sébastien Daziano is Senior Executive Vice President, Strategy & lnnovation at Veolia.

  • Gavin Graveson
    Senior Executive Vice President, Northern Europe

    Born in August, 1963 in Lancashire (England), Gavin Graveson joined Veolia as Commercial Director over twenty years ago with his role subsequently expanding to include PFI (Private Finance Initiative), municipal and treatment contracts with his appointment as Veolia’s COO, Public & Commercial. Gavin Graveson was appointed as Executive Vice-President of Veolia UK & Ireland in September 2018, succeeding Estelle Brachlianoff.

    He is also a member of the Council for Sustainable Business (CSB) which advises Defra on how businesses can help achieve the aims of the 25 year Environment Plan.

    In November 2021, Gavin became Senior Executive Vice President, Northern Europe responsible for Veolia's operations in the UK & Ireland, BeLux, Netherlands and Finland with 18,000 employees.

  • Philippe Guitard
    Senior Executive Vice President, Central & Eastern Europe

    Born in 1960, a graduate engineer from Polytech´ Montpellier, Philippe Guitard started his career as a Lead Project Engineer in industrial water treatment at Sogea (Générale des Eaux Group) in 1985.

    Successively an operations engineer in Bergerac, later head of agencies in Mandelieu-la-Napoule and Cagnes-sur-Mer at Compagnie des Eaux et de l'Ozone, Philippe Guitard joined Compagnie Générale des Eaux in 1995 as Regional Director in Ponce (Puerto Rico). In 1997, he moved to the Czech Republic as CEO of the Vodarna Plzen subsidiary.

    In 1999 he was appointed CEO of Veolia Water for the Czech Republic and in 2002 CEO of Veolia Water for Central Europe and Russia. In 2008, he was appointed Director of Veolia Water Europe (excluding France). In 2013 he is appointed Senior Executive Vice President, Central and Eastern Europe. He is a member of the Executive Committee and the Management Committee.

  • Eric Haza
    Chief Legal Officer

    General Counsel of the Veolia Environnement group since 2009, Eric Haza was secretary of the board of directors before joining the group's executive committee.

    He began his career at Simmons & Simmons in Paris and London, then at Clifford Chance in banking and finance. In 2000, he left the firm and joined the legal department of Rhodia, before joining Vivendi Environnement, now Veolia Environnement.He then became head of the legal department of Dalkia in 2008, a joint venture with EDF, before returning to Veolia Environnement.

    He taught international contract law for several years at the University of Paris Dauphine and participates in the work of the Société de Législation Comparée. He is a member of the Cercle Montesquieu.

  • Azad Kibarian
    Senior Executive Vice President, Italy & Africa / Middle East

    Azad Kibarian was born in Paris in 1974 and is a graduate of the Ecole Centrale Paris.

    He joined the Suez Group in 2002 and carried out numerous international assignments (Algeria, Croatia, Kuwait, China, Angola, Indonesia), where he managed consulting engineering projects in the water and wastewater sectors. In 2007, he joined the Group's Strategy Department to take charge of energy and climate issues, before being appointed Director of the Hazardous Waste Markets in France in 2009. In 2012, he was appointed Director of the Waste on Industrial Sites and Nuclear Services activities and then, in 2017, became head of SUEZ's Hazardous Waste activities in Europe (IWS).

    Since 2022, he has been Director of Veolia's Italy-Africa Near and Middle East Zone, and a member of the Group's Executive Committee and Management Committee.

  • Claude Laruelle
    Chief Financial Officer

    A graduate of the prestigious École Polytechnique and Ponts et Chaussées civil engineering schools, Claude Laruelle joined the Transportation Ministry in July 1993 as the Deputy Director, and subsequently Director, of the Major Works department. From 1998 onward, he worked as a special advisor to the Governor of the Greater Paris Area at the ministry of the Interior for two years.

    He joined Veolia in 2000 as an Area manager in the Greater Paris Area and was successively appointed Deputy Director of the North of France region in 2002, Executive Vice-President for North America in September 2004, Director of the Normandy region in September 2006 and Vice-President in charge of operations in Asia-Pacific in January 2010. He became Director of the Group’s Technical and Performance Department in September 2013 and Director of Global Enterprises in 2015 

    Since October 2018, Claude Laruelle has been Chief Financial Officer. He is a member of the Management Committee and of the Executive Committee.

  • Christophe Maquet
    Senior Executive Vice President, Asia Pacific

    Born in 1978 and a graduate of the Ecole Polytechnique and the Ecole des Ponts et Chaussées, Christophe Maquet joined Veolia in 2004 and began his career as Financial Controller for the Group's Energy activities.

    In 2007, he joined Veolia's teams in the Middle East, where he was successively Chief Financial Officer for Energy, Director of Energy Development and then Managing Director of Utilities. 

    He continued his career in Asia in 2013 as Director of Cooling and Industrial Utilities Networks Asia and Middle East, then as Director of Energy for Japan, South Korea, Singapore and Hong Kong. In 2017, Christophe Maquet became Veolia's Industrial Business Director in Japan before being appointed, in 2019, Director of the Africa & Middle East zone.

    After his appointment as a member of Veolia's Executive Committee as well as Director of the Asia Zone in April 2021, Christophe Maquet became Director of the Asia-Pacific Zone in February 2022.

  • Jean-François Nogrette
    Senior Executive Vice President, France & Special Waste Europe

    A graduate of Institut National Agronomique de Paris Grignon and of ENGREF-Mines de Paris, Jean-François Nogrette began his career in the Group in 1995 in soil detoxification and rehabilitation operations. Between 1997 and 2002 he spent time in Israel and Canada to develop hazardous waste activities in these countries. Back in France in 2003, he took over successively at the helm of the Industrial & Innovation Department and subsequently the North of France Regional Department at SARP Industries. In 2010, he is appointed Chairman & Chief Executive Officer of the SARP and SARP Industries. Since May 2015, Jean-François Nogrette is Chief Executive Officer of Veolia Water Technologies. He is also a member of Veolia’s Management Committee. In 2022, Jean-François Nogrette was appointed Director of the France and Special Waste Europe zone.

  • Laurent Obadia
    Senior Executive Vice President, Stakeholders and Communications, Advisor to the Chairman

    Born in 1972, Laurent Obadia has worked as a consultant for more than 10 years for governments and French corporations. Between 2000 and 2005, he served as an Advisory Director in the Euro RSCG / Havas Group. From 2005 to 2009, he was in charge of institutional relations for Africa, the Middle East and India at Veolia Water and was in charge of relations with public authorities and stakeholders in this. Moreover, he advises Veolia Water’s Chairman & CEO. Since 2009, he has been an advisor to our Chairman & CEO, Antoine Frérot. To meet the major challenges stemming from the Group’s transformation, he is supervising the change in strategy within the Communications Department, and took over at its head in 2013. He then supervised the deployment of Veolia’s new "resourcing the world" positioning in 2014 in all the Group’s regions and operations. He is also a member of the Management Committee. In 2022, Laurent Obadia became a member of the Executive Committee and was appointed Executive Vice President, Stakeholders and Communications,  and Advisor to the Chairman.

  • Helman le Pas de Sécheval
    General Counsel

    Helman le Pas de Sécheval, born in 1966, is a graduate of École normale supérieure with a PhD in Physical Sciences and an engineering degree from École des Mines. He began his career in 1991 as a project manager in the financial engineering department of Banexi. From 1993 to 1997, he was deputy inspector-general of the underground quarries of Paris. In July 1997, he was appointed deputy to the head of the Corporate Finance Department of the COB (the French securities regulator), becoming head of this department in 1998. From November 2001 to December 2009, Helman le Pas de Sécheval was Group Chief Financial Officer of Groupama and from January 2010 to December 2011, he held the position of CEO of Groupama Centre-Atlantique.

    In September 2012, he was appointed Corporate Secretary of Veolia, he also serves as Secretary of the Board of Directors. He is a member of the Executive Committee and the Management Committee.

    Since February 2015, he has been a member of the college of the Autorité des marchés financiers and, since May 2018, a member of the board of directors of the French Institute of Directors.

  • Angel Simon
    Senior Executive Vice President, Iberia & Latin America

    Ángel Simón (Manresa, 1957) graduated in Civil Engineering at the Universidad Politécnica de Cataluña. He has exercised his profession as an engineer in various companies, was Manager of Barcelona Metropolitan Area and, in 1995, joined the Agbar Group as its Representative in Portugal. In 1999 he relocated to Chile, on being appointed General Manager of Aguas Andinas, one of the biggest water management companies of Latin America. In 2002, he took up the post of General Manager of Aguas de Barcelona, a firm in which he held different positions, until in 2010 he became Chairman of Agbar, a benchmark group of companies in complete water cycle management with over 150 years of history. From 2013 to 2022 he was Executive Vicepresident of SUEZ, most recently in charge of Southern Europe and Latin America. Following an integration process, since March 2022 he has served as Senior Vice President Iberia & Latam in Veolia.

    In December 2020 he received the Medal of Honour 2020 for Business Person of the Year, awarded by Foment del Treball for his leadership of the company he chairs and as recognition of the efforts made to guarantee access to water and sanitation.

  • Frédéric Van Heems
    Senior Executive Vice President, North America

    A graduate of the École des Hautes Études Commerciales in Jouy-en-Josas, France, Frédéric Van Heems began his career in 1986 at the French newspaper Le Figaro, before joining the Lagardère Group in 1994 where he was Chairman and CEO, first for Lapker in Hungary and then for Zendis in France. In 2002, he joined Areva, as Director of the uranium enrichment program. Three years later, he was appointed President and CEO of Canberra as worldwide leader in radioactivity measurement systems and solutions, where he was based in New York. In 2009, he was named CEO of Cegelec Group. In 2011, he created his consulting company, and in 2013, he became CEO of Alstom Power Automation and Control.                       

    Frédéric Van Heems joined Veolia in 2014 as General Manager of its subsidiary Siram in Italy. He was appointed Chief Executive Officer for Veolia Water France in 2016, before becoming President and Chief Executive Officer of Veolia North America in 2021.    


The management committee represents all Veolia functions and regions and meets every two months. Its members include:

  • Estelle Brachlianoff, Chief Executive Officer
  • Sylvain Boucher, Delegate for France
  • Philippe Bourdeaux, Senior Vice President, Africa / Middle East Zone
  • Didier Bove, Chief Information Officer
  • Vincent Caillaud, CEO of VWT (Veolia Water Technologies)
  • Isabelle Calvez, Senior Executive Vice President, Human Resources
  • ​Jean-Baptiste Carpentier, Chief Compliance Officer
  • Manuel Cermeron, CEO Spain
  • Sébastien Daziano, Senior Executive Vice President, Strategy & lnnovation
  • Séverine Dinghem, Director of Business Support and Performance
  • Sophie Gour, Group Purchasing Director
  • ​Gavin Graveson, Senior Executive Vice President, Northern Europe
  • Philippe Guitard, Senior Executive Vice President, Central & Eastern Europe
  • Matthias Harms, CEO Germany
  • Eric Haza, Chief Legal Officer 
  • Marc-Olivier Houel, CEO of Veolia MIB (Maintenance Industry & Building) Zone
  • Azad Kibarian, Senior Executive Vice President, Italy & Africa / Middle East
  • Richard Kirkman, CEO of Australia / New Zealand Zone
  • Claude Laruelle, Chief Financial Officer
  • Anne Le Guennec, CEO of France Waste Recycling & Recovery Solutions Zone
  • Helman Le Pas de Sécheval, General Counsel
  • Christophe Maquet, Senior Executive Vice President, Asia Pacific
  • Emmanuelle Menning, Deputy Chief Financial Officer
  • Gustavo Migues, CEO of Latin America Zone
  • Jean-François Nogrette, Senior Executive Vice President, France & Special Waste Europe
  • Laurent Obadia, Senior Executive Vice President, Stakeholders and Communications, Advisor to the Chairman
  • Pierre-Yves Pouliquen, Sustainable Development Director
  • ​Isabelle Quainon, Senior Vice President, Human Resources; responsible for management of executives, compensations & benefits
  • Pierre Ribaute, CEO of France Water Zone
  • Catherine Ricou, Innovation Director
  • Karine Rougé, Senior Vice President, Municipal Water USA
  • ​​Nicolas de Saint Martin, Director of Audit and Internal Control
  • Julie Tedde, Chief of Staff
  • Angel Simon, Senior Executive Vice President, Iberia & Latin America
  • Jean-Christophe Taret, Senior Vice President, France & Special Waste Europe
  • ​​Frédéric Van Heems, Senior Executive Vice President, North America
  • Mark Venhoek, CEO China
  • ​​Ronald Wasylec, Director of Investor Relations