If your project depends on people who don't report to you, you know that...

https://juliet-wiki.win/index.php/How_to_Write_a_Business_Case_That_Actually_Gets_Approved_(And_Doesn%E2%80%99t_Bore_People_to_Tears)

If your project depends on people who don't report to you, you know that technical skill isn't enough. I spent years learning that delivery is less about Gantt charts and more about how you bridge the gap between stakeholders