Owns relationships and business outcomes for 50–70 enterprise B2B SaaS accounts representing approximately $2.5M in ARR. Responsibilities include customer success planning, adoption, retention, renewals, expansion support, executive business reviews, risk mitigation, forecasting, and cross-functional coordination. The role requires English-Spanish bilingual fluency, strong financial and analytical skills, executive communication, strategic account planning, and proficiency with ChurnZero, Salesforce, and BI tools.