Corporate governance

Board of Directors, Committees, and Executive General Management of Colas

01 Board of Directors

Board of Directors

The Board of Directors meets five times a year to conduct ordinary business:

  • In February, to approve the financial statements for the previous year
  • In May and November, to review performance indicators and interim results
  • In August, to examine financial statements and business activity for the first half-year and assess projected full-year results and activity
  • In January, to review the three-year business plan

Composition of the Board of Directors

Colas’ Board of Directors comprises 8 directors:

  • Hervé Le Bouc, Président-Directeur Général
  • François Bertière
  • Olivier Bouygues
  • Martine Gavelle
  • Jean-François Guillemin
  • Colette Lewiner
  • Philippe Marien, permanent representative of Bouygues SA
  • Catherine Ronge

02 Committees


The Board is assisted in its duties by an Accounts Committee, a Selection and Compensation Committee and an Ethics and Corporate Patronage Committee.

Accounts Committee

The Accounts Committee meets four times a year to examine the consolidated and company financial statements prior to Board meetings. Its role is to help the Board ensure that financial statements are accurate, reliable and present a true and fair view of the Group, and that the information provided to shareholders is of high quality.

Its members are:

  • Philippe Marien (Chairman)
  • Colette Lewiner
  • Catherine Ronge

Selection and Compensation Committee

The Selection and Compensation Committee makes recommendations to the Board on the Chairman and CEO’s compensation and benefits, and periodically examines questions about the Board’s composition, organization and functioning and makes recommendation pertaining thereto.  

Its members are:

  • Jean-François Guillemin
  • Colette Lewiner, Chairwoman

Ethics and Corporate Patronage Committee

The Ethics Committee examines alerts and situations that could indicate or entail ethics risk and actions to be undertaken pertaining thereto, as well as all Corporate Patronage contracts for amounts exceeding €20,000.

Its members are:

  • Jean-François Guillemin, Chairman
  • François Bertière
  • Martine Gavelle
  • Colette Lewiner
  • Ronan Raffray

03 Executive general management

Hervé Le Bouc, Chairman and Chief Executive Officer

Born January 7, 1952

Hervé Le Bouc joined the Bouygues Group in 1977 after obtaining an engineering degree from the École Spéciale des Travaux Publics (ESTP). He began his career as a works engineer with Screg Île-de-France (now a subsidiary of Colas) and was promoted to Area Manager and then to Branch Manager. In 1985, he began to report directly to the Chairman and CEO. In 1989, he was named to head Bouygues Offshore’s operations in Europe, French overseas departments and territories and Australia, and subsequently in Southeast Asia and Mexico. He became Bouygues Offshore’s Deputy CEO in 1994, its CEO in 1996 and its Chairman and CEO in 1999. From November 2001 to September 2002, he was simultaneously Deputy CEO of Bouygues Construction, Chairman of the Board of Bouygues Offshore and Chairman of the Board of ETDE. From September 2002 to February 2005, he was the CEO of Saur and the company’s Chairman and CEO from February 2005 to April 2007. In February 2007, he became a director of Colas and in August 2007 was appointed its Deputy CEO. He was appointed Chairman and CEO of Colas on October 30, 2007.

Thierry Montouché, General Secretary

Born June 10, 1953

After graduating from the Institut d’Etudes Politiques de Paris and the Institut Supérieur des Affaires de Jouy-en-Josas, Thierry Montouché joined Colas’ Finance department in 1979. In 1981, he was appointed Chief Financial Officer of NRC Ltd, a subsidiary of Colas in Nigeria, where he became CEO in 1985. He returned to Colas’ Paris head office in 1987 as Executive Advisor to the Chairman and CEO. In 1990 and 1991, he served as French Treasury Director in Bouygues’ Central Treasury and Finance department. In 1992, he was appointed Colas’ Chief Financial Officer, a position he held until 1999. In 2000, he became the Group’s General Secretary and was appointed for his first term on its Board of Directors in March 2001.

Thierry Genestar, Vice-President

Born December 18,1953

After graduating from the Ecole Centrale de Paris, Thierry Genestar joined Colas in 1979 as a works engineer, first in the city of Châtellerault then in Orléans, where he became the profit center’s Assistant Manager in 1981 and its manager in 1982. From 1986 to 1990 he ran the Orléans-Chartres office. He was appointed CEO of Voies Management in 1991 and was then promoted to Chairman and CEO of Sintra in Montreal, Canada. In 1998, he became Colas Midi-Méditerranée’s Chairman and CEO and in 2003 was appointed Managing Director, France with responsibility for Colas’ Road subsidiaries. He joined the Colas Board of Directors in April 2007 and was made Managing Director of the French Roads division in 2010, Managing Director of Roads, France and Waterproofing (Smac) in 2012. Since September 2015, he is Vice-President.

Louis Gabanna, Managing Director North America

Born November 5, 1955

Louis Gabanna graduated with a degree in finance from Sir George Williams University and holds an MBA from Sherbrooke University (Canada). He joined Colas in 1981 as Chief Financial Officer of Transelec International in Kenya and became the Group’s Canadian Development Director in 1984. From 1991 to 1994, he was Chairman and CEO of Terus Construction Ltd in Vancouver before being appointed Chairman of Colas’ Canadian subsidiary DGOC in 1995. In 1998, he was promoted to Vice President in charge of Western Operations at US subsidiary Colas Inc. Since 2003 he has also served as the Chairman and CEO of Colas Canada Inc. and was appointed Managing Director of the Colas Group’s North American companies in 2007.

Thierry Méline, Managing Director France

Born July 17, 1964

After graduating with a degree in Engineering from Ensam, Thierry Méline began his career in the Colas Group in 1990 as a Construction Engineer at Screg Sud-Est (now Colas Midi-Méditerranée). He moved on to become Assistant Head of Operations in the same subsidiary’s Toulon branch office in 1994, followed by a position as Profit Center Supervisor in Saint-Etienne in 1997, Avignon in 2000, and then Isère / Drôme / Ardèche in 2001. In 2005, he was called on to be Profit Center Manager at Colas Midi-Méditerranée’s Côte d’Azur branch, before taking over as Chairman and Chief Executive Officer of the subsidiary in 2010.  As of January 2015, Thierry Méline was appointed Deputy Managing Director at Colas’ Roads France General Management division. He has been appointed Colas’ Managing Director France in September 2015; the France General Management Division includes the mainland French road subsidiaries, Spac (waterproofing) and Aximum (road safety and signaling). 

Philippe Tournier, Group Human Resources Manager

Born June 8, 1957

Philippe Tournier has a bachelor’s degree in law and a postgraduate degree in accountancy (DECS). He joined Colas Group in 1981 as an administrative executive. From 1983 to 1988 he was an administrative and finance executive in Guatemala and subsequently in the United States, where he completed an MBA at Syracuse University. After working as an auditor at Colas SA, he was successively Head of Legal Affairs and Human Resources at Somaro (1989), Head of Recruitment and Internal Communications at Colas SA (1992), Personnel Director for the Eastern and Western international divisions (1995) and International Human Resources Director (2003). In 2008 he was appointed the Colas Group’s Human Resources Director.