OUR TEAM AND PARTNERS

Bill Reig
PARTNER FOR SUSTAINABILITY AND STEWARDSHIP
Bill Reig serves as Partner for Sustainability & Stewardship with the Crimsonbridge Foundation, collaborating with the team and partners to advance initiatives that integrate environmental sustainability with values of stewardship and care for creation. Bill leads Crimsonbridge’s Environmental Stewardship Program, a collaborative, capacity-building initiative that helps the U.S. Catholic Church advance and implement environmentally sustainable practices across the country. As a catalyst and bridge-builder, Crimsonbridge connects leadership, technical expertise, philanthropy, and trusted partners to create practical pathways for implementation and action.
Bill is the principal of Greenbridge Group, LLC, and brings expertise in renewable energy, management, and institutional sustainability planning. He works to build bridges between philanthropy, institutions, and communities, ensuring that sustainability efforts are effective, future-focused, and rooted in shared values. He has over 15 years of experience driving impact at the intersection of business development, project delivery, social engagement, and environmental sustainability.
Bill has led cross-functional teams, managed large-scale projects, and delivered measurable value for both corporate and nonprofit stakeholders. He also brings a deep commitment to service, with a lifelong record of community volunteering, humanitarian work, and faith-based outreach. His career includes advancing clean energy solutions and fostering inclusive, mission-driven partnerships across cultures. Bill holds an MBA from Georgetown University, a master’s degree from Birkbeck, University of London, and an undergraduate degree from the University of Navarra, Spain.

