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Change the World with MSI

MSI is a leading consulting firm with niche expertise in international development and other sectors
Our Impact

MSI Combines Rule of Law and Government Accountability to Address Today’s Most Pressing Challenges

MSI, A Tetra Tech Company, is proud to announce the consolidation of our rule of law practice.


Featuring the voices of those closest to our work around the world.
MSI Names New Senior Vice President for Programs
Continuing MSI's Efforts to Create an Equitable Workplace: Earning EDGE Certification
Afghanistan Resources
Our Experts
Our technical staff are multi-cultural, dynamic individuals with deep roots and experience in the countries and communities where we work, and as a result have a strong desire to see our partnerships succeed.
Our Services
We work every day on some of the toughest front lines of development – with a commitment to the people and communities where we work.
Work with Us
Our diverse and dedicated international development professionals range from recent graduate students to seasoned experts.