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Management team


Marcel Posthuma

Marcel Posthuma has more than 15 years banking experience in Africa and Asia. Marcel structured and executed mezzanine, equity and loan transactions in Asia for FMO (Dutch Development Bank). He gained experience with non performing Funds in Africa and acted as manager for the Asia team. Marcel was responsible for investments in SME Funds in India, Indonesia, Vietnam and China. Prior to this role he was responsible for recovery and workouts of loans and equity investments in Africa and Central Asia. Before joining FMO he has fulfilled various positions in ABN AMRO international financing operations covering Africa and South East Asia. He worked for two years in Surinam for a subsidiary of ABN AMRO in a hyper inflation environment. Marcel graduated from the University of Leiden with an MA in Law.

Jarl Heijstee
Jarl Heijstee has over 10 years experience in selecting, setting up, and managing investments funds in emerging markets. He is an expert in structuring private equity and mezzanine transactions in Latin-America, with a particular focus on SME and microfinance sectors. Jarl was a portfolio manager and analyst for Global Emerging Markets Equity Fund with ABN-AMRO, a consultant with Arcadis managing private sector investments projects in Eastern-Europe, and an investment officer for the FMO (Dutch Development Bank) in Latin-America and the Caribbean. Most recently, Jarl was based in La Paz, Bolivia, where he was responsible for setting up and rolling-out a local currency microfinance fund for Latin America and the Caribbean. Jarl holds an MA in Business Administration from the University of Groningen, and he is a Chartered Financial Analyst (CFA).

Jan Vos
Jan Vosis an SME-entrepreneur with a proven track record. He founded @Globe (2000) and GovWorks (2004), now profitable internet companies, sold in a trade sale to SDU in 2008. Jan conceived the idea for the companies, wrote the business plans, realized investments by informal investors, contracted MT, partners & staff, supervised product development and contracted over 250 clients, amongst others leading multinational corporations and governmental organizations. Jan also co-founded ATPN, a foundation that trained NGO youth leaders in Central Europe in the mid-1990¹s. Mostly before embarking on his entrepreneurial career, Jan was also politically active: he organized a demonstration of 20,000 students in the Hague and addressed the United Nations General Assembly as a member of the Netherlands delegation. Jan holds an MA in Contemporary World History from Erasmus University Rotterdam.


Board of Directors


Arthur Arnold
Arthur Arnoldacts as independent chairman of the Board of Directors of the Fund. Arthur Arnold has worked for the ABN AMRO Bank for almost 24 years, in several management positions in France, Italy, Morocco, Iran, Great Britain and the United States. He often managed large integration processes within ABN AMRO. In 1992 he switched to the Rabobank Group. During 8 years of working for the Rabobank Group, he was director of Investment Banking and chairman of the Board of Rabobank International. In the final two years he was director of Strategic Alliances, member of the Policy Board and the Board of Rabobank Securities. In 2000 Mr. Arnold became President and Chief Executive Officer of the World Council of Credit Unions (WOCCU), the trade and development organization of 40.000 financial cooperative societies with more than 123 million members in 84 countries. Since January 1 2005, Mr Arnold has been Chief Executive Officer of FMO. FMO is the Dutch development bank active in over 60 developing countries.

Jan Prins Jan Prins will act as independent member of the Investment Committee. Jan Prins played a pivotal role in setting up a number of private equity funds over the last 10 years. He was also a member of several private equity investment committees covering emerging markets as well as developed markets. Jan Prins has been active in international banking for over 35 years at ABN-AMRO Bank. At ABN-AMRO Jan was global head of structured products and global head of corporate finance before becoming member of ABN-AMRO’s global risk management committee. Jan has over 30 years experience in international commercial lending with particular emphasis on financing the energy & infrastructure sector worldwide.

Committee of Recommendation

The Committee of Recommendation of XSML consists of renowned dignitaries who support our fund. learn more..

Job opening

XSML seeks experienced and entrepreneurial Investment Officers (Jr/Sr) to join growing team.
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