How global is your C-suite

pls read this article and answer the following questions?

1.what are some of the arguments that favor global diversity at the C-suite level ?

2.How prevalent is diversity at the C-suite level?what is the downside of not having an active policy of ensuring diversity at this level ?

3.what are some of the strategies adopted by companies to develop a global mindset?what do you think of Nestle strategy of diversity at the top?

4.in your opinion,is this is an issue that global companies should even care about ?