Make the first move
Definition 1 of 2
Pro Tip 1/3Strategic Advantage
Indicates taking a lead in situations where being proactive is beneficial. 
During the meeting, Joanna decided to make the first move and propose her idea.
Pro Tip 2/3Competitive Settings
It's often used in contexts where two parties compete, like sports or business. 
The company made the first move in the market by launching the product early.
Pro Tip 3/3Assertion of Confidence
Shows someone's confidence in taking action without waiting for others. 
He made the first move to resolve the issue, showing his leadership skills.