Martin Heymann writes (Tue, 2 Dec 2014 22:26:55 +1100):
Tonight, I was watching the Australian federal Minister of Education interviewed on TV. He was discussing a senator called Dio Wang (see also here), and got in a bit of a scrap with the interviewer about how to pronounce the surname.
According to the Minister, "it depends on where you are in the spectrum" as to how the surname is pronounced. Here's the clip (it's quite hilarious, especially because the recording keeps repeating in a loop).