MSI is a Washington, DC metro area international development firm with a 35-year history of delivering development results across the world. They operate in some of the most challenging political and economic climates in the world, including Pakistan, Afghanistan, South Sudan and Iraq. MSI currently employs 800 development experts in the fields of public sector management, monitoring and evaluation, governance and anti-corruption. 

More effective public administration in Iraq. Enhanced roles for women in conflict-affected areas in Colombia. Decreased child labor and more children in schools in Morocco. Fairer oral trials in Mexico. Stronger organizations to address HIV/AIDS prevention in Zambia.

For more than 30 years, MSI has helped clients solve complex development challenges, often in areas torn apart by hunger and violence. Their projects help to stabilize communities and countries emerging from conflict, improve government accountability, and bolster civil society. Their innovative tools and methodologies build capacity and ensure sustainability – all with a focus on development effectiveness.

They also generate analytical content that underpins programming decisions, and have conducted nearly 1,000 evaluations in 100 countries since their founding.

From their humble start more than three decades ago, they have grown in size and technical expertise – now with a global network of experts in their fields including governance; monitoring, evaluation and learning; anti-corruption; education; public sector management; and organizational development. Their work is based on building strong relationships with their clients and partners to achieve outcomes. Ultimately, they help to drive governments and organizations towards better results, helping the people they serve to live better lives.

In 2016, they expanded their global reach, becoming part of Tetra Tech.

In addition to their Crystal City, Virginia office, they also maintain approximately 35 project offices worldwide.

MSI has recently become a Tetra Tech Company.