You left out the part of Geithner’s involvement with International Monetary Fund or the UN’s department of economic planning.
No, it’s in the link.
“director of the Policy Development and Review Department at the International Monetary Fund.”
The United Nations Capital Development Fund (UNCDF) and the 2005 International Year of Microcredit
"The UN General Assembly designated 2005 as the International Year of Microcredit and has invited Governments, the United Nations system, concerned non-governmental organizations and others from civil society, the private sector and the media to join in raising the profile and building the capacity of the microcredit and microfinance sectors."