Skip to Main Content

An official website of the Commonwealth of Massachusetts

  • mass.gov
  • Contact
BEST
BEST
  • CTR
  • A&F
  • EOTSS
  • CTR
  • A&F
  • EOTSS
  • BEST Overview
    • Why Transform?
      • Program Goals
      • Program Benefits
    • Program Scope
      • Phase 1: Financial Management & General Ledger
      • Phase 2: HCM & Payroll
    • BEST Program Timeline
    • Program Governance
  • Collaborate
    • Program Directory
    • Change Agent Network & Agency Readiness
    • Financial Implementation Experts
    • Points of Contact
    • Technical Interface Contacts
  • News
    • Program Updates
  • Resources
    • Training
    • About BEST (FAQs)
    • Glossary of Terms
  • Contact
    • Get In Touch
    • Program Management Office
  • About Mosaic
mass.gov Contact
Aquinnah Lighthouse on Martha's Vineyard with colorful clouds

Transforming Financial and HR Operations Across the Commonwealth

Why Transform?

The Business Enterprise Systems Transformation (BEST) Program is a multi-year program that will replace two 20-year-old applications used by all state agencies:

Massachusetts Management Accounting & Reporting System (MMARS) Human Resources/Compensation Management System (HR/CMS)

Latest News

View All News
Program Update with BEST logo
From the Sponsors, Phase 2 April 15, 2026

An announcement from the Executive Sponsors of the BEST Program regarding Phase 2

Learn More
Update for Points of Contact and Technical Points of Contact
Phase 2, Points of Contact & Technical Points of Contact February 2, 2026

Winter 2026: Points of Contact Newsletter

Learn More
Update for Points of Contact and Technical Points of Contact
Phase 2, Points of Contact & Technical Points of Contact December 30, 2025

January 2026: Points of Contact Newsletter

Learn More

Timeline

View full timeline
2017-2022

Visioning

BEST PMO Established

2023

Phase 1: Software & Systems Integrator Negotiations

2024

Business Requirements Validation

System Configuration

2025

System Configuration & Testing

Training Activities

Phase 2: Procurement

2026

Mosaic Go-Live

Stabilization

Production Maintenance

Executive Sponsors

  • Headshot of Matthew Gorzkowicz, Secretary of the Executive Office of Administration and Finance

    Matthew Gorzkowicz

    Secretary, Executive Office for Administration and Finance

  • Headshot of William McNamara Comptroller of the Commonwealth of Massachusetts

    William McNamara

    Comptroller, Commonwealth of Massachusetts

  • Headshot of Jason Snyder, Secretary of the Executive Office of Technology Services and Security

    Jason Snyder

    Secretary, Executive Office of Technology Services and Security

  • Headshot of Chief Human Resources Officer for the Commonwealth of Massachusetts Melissa Pullin

    Melissa Pullin

    Chief Human Resources Officer, Commonwealth of Massachusetts

Word cloud in shape of state of Massachusetts with many words

BEST Program Kickoff

The BEST Program held an official project kickoff, bringing together over 150 subject matter experts and program staff from across state government and representing business, financial, and technology workstreams. Highlighting the collaborative efforts of various teams, it was opportunity for participants to interact across functions and workstreams and celebrate the work they have completed during the first two months of the program. When asked to describe the BEST Program in one word, our Program Kickoff participants had this to say…

Read more

BEST Program

The BEST Program is the Commonwealth of Massachusetts’ multi-year initiative to implement a comprehensive transformation of the policies, processes, and systems that support financial and human resource operations across all Massachusetts state governmental entities.

MMARS By the Numbers

$139.9B

state spending processed in FY2024

97,342

Employees paid every 2 weeks through HR/CMS

160

Commonwealth departments on Mosaic

3,018

Mosaic Go-Live Help Desk Tickets Opened

  • Mass.gov
  • CTR
  • A&F
  • EOTSS
  • HRD
BEST
[email protected]

©2026 BEST PMO   |   Privacy Policy | Cookie Declaration

Website Design by Jackrabbit