NexusSIM is a computational modeling and simulation lab built to help researchers, institutions, and mission-driven organizations tackle today’s most complex human problems. An initiative of Just Horizons Alliance, we bring together deep expertise in the social sciences, behavioral modeling, machine learning, and AI to build custom tools that move ideas from theory to impact.
Our work lives at the intersection of advanced technical capability and applied research. We partner with scholars, policymakers, and organizations to design rigorous computational models, build bespoke decision-support tools, and develop translational frameworks that make research actionable in the real world. Whether you’re piloting a new theory, reimagining your data infrastructure, or testing interventions at scale, we serve as your systems-thinking, code-writing, problem-solving ally.
With a global network of domain experts, developers, and applied scientists, NexusSIM doesn’t just amplify research—we make it operational.
Our process blends intellectual rigor with creative fluency. We begin with deep listening: what are you trying to understand, predict, or influence? From there, we rapidly translate your ideas into a computational roadmap, assemble a tailored team of researchers and developers, and define clear milestones. Throughout the project, you remain an active partner in shaping the work. We manage technical execution, facilitate interdisciplinary synthesis, and adapt in real time. Whether your work is in its earliest conception or ready for scale, we partner with you to design and implement tools that don’t just simulate complexity—they clarify it.
In addition to our core team, we have a network of over 200 specialists available on demand.
Founder, Chief Scientist
Technology Lead
Solutions Lead, Senior Researcher
Senior Researcher, Senior Engineer
Senior Researcher
Senior Engineer
Engineer
Engineer