Josh Siemieniec

I am a relationship-driven account and success leader with over a decade of experience in driving revenue growth, retention, and process improvement. My proven track record includes managing large books of business and leading cross-functional initiatives, all while building trust with clients ranging from startups to enterprise-level organizations. I thrive in dynamic environments, known for my clear communication and ability to remain calm under pressure, translating complex problems into actionable solutions.

In my recent role as a Project Manager at MS Architecture, I successfully managed 10-15 concurrent architectural projects, improving design turnaround time by 30% and increasing on-time delivery rates to 97%. Previously, as a Senior Customer Success Manager at RevBoss, I maintained a 93% retention rate and exceeded quota by 117% through strategic renewals and upsells. My diverse background spans SaaS, life sciences, architecture, and events, equipping me with a unique perspective and skill set that I bring to every project.