Martyn Kenny
 Andreas Gyllenhammar
 TOP 250 LEADERS
 240
 Martyn Kenny
 VP Sustainable Business
 CRH
 Industry : Building Materials
 239
 Andreas Gyllenhammar
 Chief Sustainability Officer
 Sweco AB
 Industry : Engineering & Architecture
 Martyn
 , Vice President of Sustainable Business and Public Policy at CRH , has global responsibility for its sustainability strategy and public policy activities , emphasising value generation through sustainable solutions . His sustainability career started in Tarmac , a CRH Company where he held roles from 2008 to 2023
 Andreas
 joined Sweco in 2008 as an Environmental Analyst before being appointed Chief Sustainability Officer of the Swedish Professional Services firm in 2011 . He gained his PhD in Geosciences , with a focus on aquatic environmental analysis , in 2004 from Uppsala University , where he had previously earned his MSc in Environmental and Water Engineering .
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