We are living through a time of profound transition—what some call a polycrisis. Climate disruption, geopolitical instability, ecological collapse, and a crisis of long-term vision are converging to reshape how we live, grow, and govern. These pressures demand new models of leadership, investment, and impact.
Regensia exists to help organizations meet this moment with clarity, creativity, and courage.
Our approach blends analytical rigor with regenerative thinking. We bring deep expertise in decarbonization, circular economy, and cleantech strategy—paired with a strong foundation in systems-level planning, business modeling, and impact finance. This combination allows us to navigate complexity, work across silos, and unlock “triple win” solutions that drive economic returns, environmental resilience, and social equity.
As a boutique, hands-on firm, we tailor every engagement to its context—working closely with clients from early-stage concept development through late-stage execution. With experience across five continents and sectors ranging from heavy industry to high tech, we bring both range and depth to our work. Above all, we bring a commitment to long-term partnership—grounded in trust, shared purpose, and the belief that systems change begins with how we work together.
Leadership
Joshua Foss, Founder & CEO
Regensia is led by Joshua Foss, a passionate and accomplished sustainability leader with over 15 years of experience driving impactful decarbonization, circular economy, and regenerative design ventures and initiatives throughout the world. A natural systems thinker, Foss excels at translating complex sustainability challenges into actionable and data-driven ‘triple win’ solutions (people, planet, prosperity).
Whether spearheading large-scale, multi-faceted projects, building compelling business cases for novel cleantech ventures, or fostering key partnerships and marketing strategies, Joshua’s work is grounded in his singular mission to help organizations and communities transform sustainability aspirations into real-world outcomes.
Foss holds an MSc in Strategic Leadership Towards Sustainability, was recognized as an ‘Emerging Innovator’ by the Ellen MacArthur Foundation’s Circular Economy 100 network, is a certified urban farmer (permaculture), Crime Prevention Through Environmental Design (CPTED) expert, and strategic foresight specialist. In his spare time, he leads eco-friendly restorations of special properties, including a historic manor in Jersey City and solar-powered log chalet in the Catskills.
