We are a leading provider of planning, monitoring, evaluation, research and learning services. Through these services we help our clients to define and measure their results and use evidence to improve program effectiveness.

Leadership Team.

Headshot of Rolf Sartorius
Rolf Sartorius Founder & Board Chair
Headshot of S.I. cofounder Pat Hanscom
Pat Sartorius Founder & Board Member
Headshot of Mateusz Pucilowski
Mateusz Pucilowski Chief Executive Officer
Mike Duthie Thumbnail
Mike Duthie Chief Technical Officer
Danielle de García Thumbnail
Danielle de García Chief Program Officer

Please contact us for more information about our staff and their capabilities

WHERE WE WORK

Social Impact has worked in more than 135 countries.

EQUI is our proprietary management and quality assurance system. It was designed to make sure our work exceeds client standards and drives real-world decisions. Developed over 20 years and grounded in industry best practices, EQUI builds quality assurance checkpoints, utilization-focused milestones, and stakeholder engagement into every phase of our work. Through guidance, templates, workflows, and resource libraries, it ensures that everything we deliver is rigorous, cost-effective, and actionable, with practical recommendations our clients can actually use.

OUR CULTURE & VALUES

How we work matters as much as what we do. We foster a culture of excellence, learning, and collaboration: a place where people thrive and do their best work. These values strengthen our teams and our work with clients.

Quality symbol

DELIVER QUALITY

We are proactive and pragmatic, seeking out diverse perspectives to strengthen our work. We take pride in participatory processes and products that deliver high-quality results.

Integrity Symbol

ACT WITH INTEGRITY

We are honest, ethical, transparent, and reliable in our work and with each other. We welcome difficult conversations to advance evidence-based decision making and ensure accountability.

Collaborate and learn symbol

COLLABORATE AND LEARN

We value and empower all staff and respect the expertise across our teams. We encourage curiosity, partnership, and reflection to learn from each other and our work, challenge ourselves, and continuously improve.
.

Camaraderie symbol

EMBRACE CAMARADERIE

We celebrate our individuality and collective strengths. We look for ways to connect across teams, time zones, and projects, building trust and community in remote and in-person spaces.

OUR HISTORY

1996
Rolf Sartorius and Patricia Hanscom form Social Impact in response to a growing global emphasis on making international development more effective in improving people’s lives. SI mobilizes a small group of outstanding global consultants with a deep appreciation for participatory development and results-based management.
1997

 

SI focuses on applying best practices in program design to address HIV/AIDS in sub-Saharan Africa. After passage of the Government Performance and Results Act, SI develops new tools and approaches to support results-based management of U.S. foreign assistance.

2000s

 

SI helps the World Bank enhance its effectiveness as a development agency. SI works with USAID’s Office of Transition Initiatives to strengthen program planning and management in fragile states. SI conducts impact evaluations for the US Millennium Challenge Corporation and partners with the Bill and Melinda Gates Foundation.
2010s

 

SI opens its first overseas project office in Beirut, Lebanon. SI begins work with the MasterCard Foundation and provides services through the DFID Global Evaluation Framework Agreement. SI is named USAID Small Business of the Year in 2013 for demonstrating best practices in the field and serving as a model for small and minority-owned implementing partners. In 2014, SI graduates from small business status.
2020s
SI operates numerous project offices overseas and expands it work to the domestic sector by launching a domestic line of business. SI also develops new service lines such as data science, third-party monitoring and digital solutions. SI initiates explorations into the responsible incorporation of AI into the field of evaluation and launches the Equity Incubator to address issues at the intersection of Monitoring, Evaluation and Learning (MEL) and global equity.
Future

 

As a mid-size business, SI continues and grows its work providing long- and short-term technical and consulting support supporting long-term program field offices and engaging in across hundreds of short-term projects across the globe. SI continues to attract new clients, new talent, and to further its mission to advance development program effectiveness.