Buy-in comes from connecting Agile to outcomes leaders already care about — faster delivery, lower risk, happier customers — not from selling Scrum as an ideology. You speak the language of business value, prove it with a small win, and address the fear that Agile means "no plan and no control."
How to earn it
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1. FRAME in business terms: time-to-market, risk, predictability
2. PILOT a small team and gather before/after data
3. SHOW results: lead time, quality, customer feedback
4. ADDRESS fears: Agile still has planning, scope, and visibility
5. INVOLVE leaders in events (Reviews) so they see progress
Concrete example
Instead of pitching "we should do Scrum," a Scrum Master proposes a 90-day pilot, then shows leadership that lead time dropped and defects fell — reframing Agile as a way to hit the business goals they already own.
