When scientists present, they usually start with methods, then move to findings, conclusions and perhaps recommendations. There are good reasons for this, and it can provide some drama. Yet any communication we are willing to pay for is built in the exact opposite way.
As consumers, we want the conclusions up front, and the facts and reasoning to follow in support. We don’t want to wait for the point.
At the start of a presentation, how the information was developed is less important than why the audience should care.