How to pronounce “markstein” in English

There was a meltdown actually Colonel Marksteiner had told me about this great email meltdown at Maxwell Air Force Base where he was attending a conference with some really big brass, the

I do try to keep my emails to one subject whenever possible but I just wanted to mention this because according to Marksteiner, I think he said there must be at least 10,000 people

On the other hand, I got a wonderful example from the U.S. Air Force from a CIO there, Peter Marksteiner, about a really great technique he uses because a lot of people don't read,