Associates

We have established partnerships with a range of expert individuals. We are able to build bespoke teams for individual client requirements, managed and co-ordinated by Challenge Sustainability.

Associates

Jerry Marcelinus Winata

Jerry Marcelinus Winata

Our representative in Indonesia and South East Asia. Jerry is a passionate professional possessing strong network of opinion makers and industry leaders with over ten years' experience delivering high-value, high-impact communications initiatives in the public and private sector. Previously Jerry was Communications and Private Sector Engagement Officer for the United Nations World Food Programme (WFP), based in Jakarta. Before this position he was a Communications Consultant for the World Bank.

Mark Line

Mark Line

Leadership work in Corporate Responsibility, Co founder of AccountAbility Rating TM, published in FORTUNE Magazine, Co-founder of Tomorrows Value Rating TM, Lead International Advisor to UNDP on CSR, Board Advisor - Sancroft. Specialties: CR and Sustainability strategy, Stakeholder dialogue, Environmental management, Sustainability reporting and communications, Sustainability assurance. Over 30 years experience in sustainability advisory work. Co-founder of CSR Network and Two Tomorrows Group.