David Ratmoko is a multifaceted professional based in Zurich, Switzerland.  He owns and runs Metro Models, an international modeling agency, in addition to modeling and working as a photographer. Beyond the fashion industry, David Ratmoko is also an accomplished author and composer. His diverse expertise extends to academia, where he has spent several years teaching literature and intercultural communication at various universities, such as Zurich and Yale.

In 2010, David founded Metro Models, a comprehensive modeling agency with dedicated women's and men's divisions. This agency serves both the international and local markets, contributing significantly to the global fashion industry.