Joost is the Managing Partner of Double Delta. After 17 years at Credit Suisse, Joost has successfully spun-off the Credit Suisse’s impact advisory services business, which advises the bank's Asia Impact Investment Fund series. The activities have been transferred to a new firm in Singapore, called Double Delta.
Previously, as the Head of Impact Advisory Services at Credit Suisse he was responsible for the bank’s Impact Advisory Services as well as business development of impact investment initiatives in Asia. In 2015, Joost's team launched the first institutional grade Asia Impact Investment Private Equity Fund, a solution drawing the poor in Asia into supply chains in meaningful ways through investments in profitable private sector solutions. His team raised a second Fund in 2021, attracting institutional (e.g. IFC) as well as UHNW investors.
In his previous role as Head of Sustainability Strategy, Advisory and Finance (SSAF) APAC at Credit Suisse, he developed the regional sustainability strategy for Credit Suisse APAC and supported the development and implementation of the CS Sustainable Investment and Sustainable Activities Frameworks. He represented the Bank in a variety of sustainability-linked working groups and taskforces together with industry leaders and regulators. Before that, he held the role of regional and product head of investment fund solutions in Asia.
Prior to joining Credit Suisse in 2006, Joost worked as an analyst and project manager for UBS Investment Bank and Westpac in Australia and ABN AMRO Private Bank in the United Kingdom. Joost holds an MBA from the Vrije University of Amsterdam and completed post-graduate programs at the University of Stellenbosch, Oxford Saïd Business School and University of Cambridge. Joost is conducting guest lectures on Impact Investing for MBA and EMBA students at INSEAD, St. Gallen University, Wharton, ESSEC, NUS and CBS.