Hello Bob,
It's a good thing to start a crypto exchange, but there is more things to know before starting that . One of the main thing is a Good Capital and a good business plan for its initial stage and then you can proceed with the team with same mindset. Once you got your team and Budget you can proceed with the Development phase and Marketing things.
The purpose and the Mission must be clear to run the business persistently.
 Searching for Info like this, is a good research guy thing in you . Once you got your cohesive team, you can fly high. Loved to help you in all prospects.