Challenge: T-Mobile/Sprint merger integration with 80M customers, $26B synergy target, regulatory scrutiny, culture clash between 84,000 employees.
Action: Led 'Network of the Future' workstream consolidating 110,000 cell sites to 85,000 while improving coverage by 30%, designed AI-powered customer migration preventing 2.3M predicted churn, created 'Culture Catalyst' program with 3,400 change agents, built synergy tracking dashboard reviewed weekly by the CEO.
Result: Delivered $31B in synergies (119% of target) 18 months ahead of schedule, maintained #1 in J.D. Power rankings throughout integration, achieved lowest churn in industry at 0.87%, promoted to Engagement Manager with fastest track record.
Generated $43M in consulting fees across 7 TMT clients, maintained 94% client satisfaction scores.