Client Success Manager, Partnerships

Ascertain Job Opportunity

Ascertain is building AI agents to automate the administrative work that burdens care teams. We are in major health systems and large specialty groups, saving hundreds of staff hours every week. Our backers include Northwell Health, New York's largest health system, and Deerfield Management, a leading healthcare investment firm. Together, we're on a mission to restore time, trust, and focus to the people who keep healthcare running. Our work is urgent not because of startup timelines, but because our customers rely on us to drive financial resilience and operational clarity in a system under strain.

What You'll Do

• Own the Client Relationship: Manage accounts from post-sale through ongoing engagement, building strong relationships with operational and executive stakeholders and aligning on goals, priorities, and success metrics.
• Ensure Successful Implementation & Adoption: Partner with Implementation to drive smooth onboarding, ensure continuity through go-live, and embed workflows into daily operations to achieve measurable outcomes.
• Drive Performance & Outcomes: Monitor usage and performance metrics (e.g., throughput, turnaround time, time saved), identify gaps, and take action to improve client results.
• Lead Executive Engagement & Retention: Own executive communication, lead business reviews, proactively manage client health, mitigate risks, and support successful renewals.
• Drive Growth & Cross-Functional Execution: Identify expansion opportunities, build business cases, and collaborate with Sales, Product, and Engineering to deliver impact while maintaining accurate documentation and improving internal processes.

What You'll Need

• 5 to 7 years of experience in client success, account management, or customer-facing roles in healthcare or SaaS
• Experience managing complex accounts with