Our Story
Our Story, Our Mission
Rainmaker Investment was founded on a simple but powerful belief: that strategic capital, deployed with compassion and expertise, can transform the landscape of mental health and addiction recovery in America.
How Rainmaker Began
In 2011, our founders watched a family member struggle to find quality, accessible substance abuse treatment. The experience revealed a stark gap: a fragmented, underfunded system failing millions of Americans at their most vulnerable moments.
They set out to change that — not through charity, but through smart investment. By bringing institutional capital, operational expertise, and genuine compassion to behavioral health, Rainmaker Investment has spent 15 years building a portfolio of organizations that deliver exceptional care and sustainable outcomes.
Today, we are one of the nation's leading investment firms focused exclusively on mental health and substance abuse treatment. Our work has touched over 500,000 lives across 38 states — and we are just getting started.
Our Mission
"To accelerate the healing of America by investing in the organizations, people, and innovations that make recovery possible — and to prove that impact and returns are not just compatible, but inseparable."
Compassion First
Every investment decision begins with a single question: does this improve outcomes for people in recovery?
Rigorous Excellence
We hold our portfolio companies to the highest clinical and operational standards, because quality care is the foundation of sustainable business.
Long-Term Thinking
Recovery is a lifelong journey. Our investment horizon reflects that — we build for decades, not quarters.
Leadership Team
Decades of combined experience in behavioral health, investment banking, and clinical operations.
Thomas Hernandez
Founder & Chief Executive Officer
Marcus founded Rainmaker Investment in 2011 after a 20-year career in healthcare private equity. He has led over $1.2B in behavioral health transactions and serves on the boards of six leading treatment organizations.
Kimberly Sampson
Chief Operating Officer
A former clinical director with a PhD in behavioral health policy, Sarah bridges the gap between investment strategy and clinical reality. She oversees portfolio operations and quality standards across all partner organizations.
David Okafor
Chief Investment Officer
David brings 18 years of healthcare investment banking experience from Goldman Sachs and Lazard. He leads deal sourcing, due diligence, and portfolio structuring with a focus on long-term value creation.
Elena Vasquez
Chief Mission Officer
Elena ensures that impact measurement and mission alignment remain at the heart of every investment. She leads our community partnerships, advocacy work, and annual Impact Report.