How do you build trust with cross-functional teams?

Situation:

Leading billing team
Needed Product, QA, Finance, Ops support

T (Task):

Build trust fast
Align everyone → common goals

A (Action):

Open comms (standups, updates)
Listen to concerns
Share progress transparently
Deliver on commitments
Celebrate joint wins

R (Result):

Strong collaboration
Faster decisions
Less friction
Teams trusted my leadership