There is an inspiring article by Julie Schwietert on expat artists.

How Living Abroad Facilitates The Creative Life

There is, of course, a long tradition of the expatriate artist. Fitzgerald and Hemingway left a trail of expat glamour along the left bank that still beckons smitten American intellectuals today, and artists from Gauguin to Kerouac have fled the confining norms and lifestyles of their home countries to search for inspiration abroad.

While Julie Schwietert focuses on artists, the main idea - that living abroad inspires creativity - probably holds true for most professions.