Our team has deep insight into sustainable finance markets, the ESG challenges of developing countries, and the reality of doing business in the emerging markets.

Delsus is run by Dan Siddy and Rachel Mew.


Dan Siddy

Dan Siddy has worked on the environmental and social aspects of emerging market finance for over 15 years, and is internationally acknowledged as a leading expert in his field. His experience and networks span portfolio investment, private equity, banking and international development, from Asia to Latin America. Prior to forming Delsus in 2006, he spent eight years with IFC, where he managed a large technical assistance program to develop the sustainable finance market in emerging economies. He has been closely involved in many of the most notable developments in sustainable finance in recent years, from the Principles for Responsible Investment to the creation of sustainability indices in Brazil and India.


Rachel Mew

Rachel Mew has 14 years experience in management consulting in the social and environmental field, including positions with Environmental Resources Management (ERM) and J Shankleman Limited. She has worked as a project manager, researcher and event organiser on a wide range of assignments for clients such as Shell, BP and Business Partners for Development.