Switzerland: Kaspar E A Wenger has been appointed as the chairman of the board of Holcim (Schweiz) AG. The role follows more than 20 years at Holcim, including more than ten years of operating responsibility for Holcim (Schweiz) AG and the responsibility for Central Europe.

In the framework of the progressing merger between Holcim and Lafarge, Wenger will become designated chairman of the board of Holcim (Schweiz) AG, effective from 30 June 2015. He will relinquish his responsibilities as area manager for Central Europe (Switzerland, South Germany, Italy). Wenger will play a key role in supporting the activities of LafargeHolcim in Switzerland specifically.

Gerd Aufdenblatten, currently CFO of Holcim Central Europe, will replace Wenger and become cluster-CEO. Gerd Aufdenblatten joined Holcim in 2007 and became CFO of Holcim Central Europe in 2013. A successor for the position of CFO will be communicated in due course.

Italy: Cementir Holding has appointed Francesco Caltagirone Jr as Chairman and chief executive officer (CEO), Carlo Carlevaris as Vice Chairman and Riccardo Nicolini as General Manager. Paolo Di Benedetto has been appointed as 'Lead Independent Director'. Chief financial officer Massimo Sala has been appointed as the corporate accounting documents officer for 2015.

The board of directors at Cementir have also established the following internal committees.

Executive Committee: Francesco Caltagirone Jr (Chairman), Mario Delfini and Riccardo Nicolini.

Control and Risk Committee: Paolo Di Benedetto (Chairman), Veronica De Romanis and Chiara Mancini.

Nominations and Compensation Committee: Paolo Di Benedetto (Chairman), Veronica De Romanis, Chiara Mancini and Mario Delfini.

Nigeria: Dangote Cement has appointed Douraid Zaghouani as a non-executive director with effect from 29 April 2015. Zaghouani holds a degree in Civil Engineering from École Nationale des Travaux Publics de l'État in France and is also a graduate in Business Administration from the École Supérieure des Sciences Commerciales business school in Paris.

Zaghouani is presently the Chief Operating Officer of the Investment Corporation of Dubai (ICD). In this role, he supports the CEO's Office in corporate strategy development and is responsible for the efficient operational management of the organization.

Ireland: CRH has said that its Group Finance Director - Maeve Carton - will become the company's new Group Transformation Director. The position is a new strategic group function within the company and Carton's new role will start in January 2016.

As Group Transformation Director, she will identify and implement the optimum financial and business model for the group in the years ahead. She will report to, and work closely with CRH's Group CEO Albert Manifold, and will continue to contribute directly to the board as an executive director.

The building materials group said that a search to appoint a new finance director for the group will start shortly. It is hoped that this process will be completed by the end of the year. Carton will continue as finance director until her replacement has been appointed, which will ensure an "effective transition process".