About Partsol
We built the platform behind the answer.
Our story
Most organizations don't lack information — they're drowning in it, scattered across systems that don't talk to each other. What they lack is certainty.
Partsol was built to answer the questions that carry real consequences with technology that didn't exist before. Over more than three decades of high-stakes work — and more than $30 million invested in the platform — we created Atai, a proprietary AI-agent platform. Atai combines the most advanced AI with proprietary data and methods refined across hundreds of mission-critical engagements.
We don't hand clients raw software and walk away, and we don't hand them a summary of what's already public. We deploy our platform and our experts to deliver the answer — every finding combined from across sources, tied back to evidence, and ready to act on.
This is how we serve the world's most demanding organizations: intelligence and defense agencies, Fortune 50 companies, leading law firms, and financial institutions. The platform is our advantage. The answer is our product.
Legal name
Partnership Solutions International
Global HQ
Tampa, FL
Ownership
Private
Team
~45 and growing
Leadership
The people behind the platform.
Dr. Darryl Williams
Founder, CEO & Chief Scientist
Founder of Partsol and the principal architect of Atai. Darryl has led applied-AI and analytical-technology programs for more than three decades, addressing complex challenges for government agencies and Fortune 500 enterprises. A retired U.S. Air Force Lieutenant Colonel, he holds a Doctorate in Business Administration from the University of Phoenix and an MBA in International Finance from Auburn University. His domain depth spans supply-chain risk, infrastructure vulnerability analysis, and cybersecurity.
John Callahan
Chief Technology Officer
Leads platform engineering and product — where Atai is built and maintained. John oversees the AI-agent architecture, data integration, and deployment systems that put the platform to work for clients.
Alan Williams
President, Partsol Futures
Leads Partsol Futures, the research and development practice that advances Atai's platform and methods. Alan oversees the team extending agent capabilities, data assets, and analytical reach across new domains.
James Shore
Chief Financial Officer
Leads finance and corporate operations across the Partsol group — capital planning, controls, and the financial discipline behind sustained platform investment.
Brad Topchik
EVP, Corporate Development
Leads corporate development and growth — partnerships, capital, and the commercial expansion of Partsol's platform across finance, legal, and corporate-risk markets.
Brian Rau
Chief Operating Officer
Runs day-to-day operations across the firm — delivery, talent, and the systems that keep mission-critical engagements on schedule and on standard.
Manuel "Mac" Capello
Chief Information Security Officer
Owns information security, compliance, and the trust posture required to operate in defense, intelligence, financial, and Fortune 50 environments.
James Goggins
EVP, Partsol Guilds
Leads Partsol Guilds — the expert practitioner network that pairs domain depth with Atai to deliver answers, not just software.
Eric Nielsen
EVP, Partsol Futures
Drives the Partsol Futures research agenda — extending agent capabilities, methods, and proprietary data into new analytical domains.
Jared Williams
EVP, Special Projects
Leads special projects across the firm — high-priority engagements and strategic initiatives that cut across business units.
Dale Wright
VP, Product
Owns product direction for Atai — shaping how the platform's agents, data, and workflows come together for the people using them.
Board of Directors
Governance.
Founder / Director
Dr. Darryl Williams
Founder / Director
Marie Williams
Founder / Director
Jared Williams
Independent Director
Dr. Samuel Dawson
Independent Director
Marc Bern
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Have a question that has to be answered with certainty?
Tell us the decision you need to support. We'll deploy our platform and our experts on your behalf — no obligation, scoped to your question.