Perumal Subbiah
Director of Customer Success @greytHR
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WORK HISTORY
Director of Customer Success @greytHR
Bangalore, IN, US
Lead Enterprise Customer Success for a ₹100+ Cr MRR portfolioOwn executive stakeholder relationships, renewals, and escalationsAchieved 8% churn reduction using predictive health scoring and RAG frameworksBuilt scalable lifecycle models improving time-to-value by 85%Generated ₹0.75+ Cr YoY incremental revenue through upsell and cross-sellManaged and scaled teams of 40+ CSMs and 35+ Implementation SpecialistsPartnered with Sales & Product on GTM motions and VoC-driven roadmap inputs
EDUCATION
Manonmaniam Sundaranar University
Bachelor of Science, Mathematics
ABOUT PERUMAL SUBBIAH
With over 19 years of experience in Enterprise SaaS, including 2.5+ years as Director of Customer Success at greytHR, I lead the Customer Success function managing a ₹100 Cr+ ARR portfolio across Enterprise, Mid-Market, and SMB segments.My focus has been on driving retention, accelerating product adoption, and institutionalizing structured risk governance frameworks — delivering an 8% reduction in churn and improved renewal predictability.I have built and scaled lifecycle operating models across onboarding, adoption, and renewals, improving time-to-value by 85% while strengthening overall account health and revenue stability.As a cross-functional partner to Sales, Product, and Support, I drive strategic upsell and expansion programs, influence roadmap decisions through structured Voice-of-Customer insights, and mentor a 100+ member high-performance team focused on delivering measurable business outcomes.
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