I'm actually from Colombia and was able to raise capital in Silicon Valley for my startup three months after I moved to San Francisco.

My idea was originally conceived in Medellin, Colombia but I figured a way to build the prototype and then establish our headquarters in Silicon Valley.

Here is a previous answer that details a little bit of the process of how I went about investors
https://clarity.fm/questions/1702/answers/5632/share

More than happy to tell you the story and process of how we did on a brief call :)