Brittany Martens

Brittany Martens is an experienced HCM Project Manager at FosterThomas with experience in payroll administration, HRIS implementation, and enterprise system transformation. She specializes in leading third-party HCM implementations, acquisitions, and system transitions—ensuring seamless execution from discovery through go-live and post-implementation optimization.

Brittany brings deep expertise in payroll systems, integrations, reporting, and testing strategy. Throughout her career, she has managed full-cycle payroll operations for organizations with up to 2,000 employees, supported complex multi-system integrations, and led data conversions to ensure accuracy, compliance, and operational continuity. Her background includes extensive experience with ADP platforms and enterprise payroll environments, giving her a strong foundation in both technical configuration and client-facing project leadership.

Known for her structured approach and collaborative leadership style, Brittany develops comprehensive project plans, facilitates cross-functional stakeholder communication, oversees system testing and payroll parallel runs, and ensures deliverables remain on schedule and aligned with client goals. Her strengths in system testing, technology integration, and reporting & analysis allow her to identify risks early and drive efficient, scalable solutions.

Brittany’s ability to bridge technical system requirements with real-world HR and payroll operations makes her a trusted partner for organizations navigating growth, acquisitions, and digital transformation initiatives.