John-Mark Reagan

About John-Mark Reagan

I turn post-sale relationships into long-term partnerships that drive retention and growth.With 10+ years of experience across sales and Client success, I’ve learned that real results come from understanding the full customer journey, not just closing the deal, but delivering value after the sale.I partner closely with Client Success leadership to ensure continuity, scalability, and a consistent customer experience.I believe the strongest partnerships are built through clear communication, accountability, and follow-through, whether that starts over coffee or continues through a well-timed follow-up.Let’s connect and build something that lasts.

Experience

1. Client Success Specialist

   Ally Waste Services

   Jan 2026 — Present · Gilbert, AZ, US

   Own retention, renewals, and post-sale account growth while supporting Customer Success leadership in day to day account management.Drive account expansion through cross-sells aligned to client needs and usage. Monitor customer health to proactively prevent churn and recover at-risk accounts.Lead contract renewals, negotiations, pricing updates, and cancellation save efforts.Serve as a primary post-sale contact, building strong relationships that support long-term value.Partner closely with the Client Success Manager, assuming operational responsibilities to enable team growth and higher level CX initiatives

Education

• Mendocino College

  Business