Thanks to Darren for passing this website on. Geert Hofstede has contributed a huge amount of reserach and ideas to the field of interculturalism, and his name is often referenced in contemporary research. Hofstede's work has been used to develop audits and training resources for helping organisations improve their intercultural literacy, as is evident from the website below.
http://www.geert-hofstede.com/ developed by ITIM International.
Together with his son, Gert, they share some relevant information on their own website which is here: