This section is dedicated to all the people who are in some way in a lead role. This will give you all the info, context, background, tools, processes and frameworks you need to lead. This should equip you to make decisions. This doesn't mean your are on your own in this. Please ask for help.
Before you dig in, read this piece (with 6 must reads in it).
Our 6 Must Reads for First-Time Managers to Hit the Ground Running