I can't believe this question wasn't already asked. I came across the answer when asking a slightly different question.
Lets say I am logged in as user Bob and I open up a command prompt via the runas command with Alice's credentials. How do I launch explorer with Alice's credentials from the command prompt.
Best Answer
Florin Lazar answered this question in this blog article. You launch explorer as follows:
If anyone has a better answer, I'll wait a bit before marking mine as the accepted answer.