CTI Environmental: Robin Thorne Multiple award-winning businesswoman and chemical engineer Robin Thorne (pictured above) is the founder and CEO of California-based CTI Environmental, which specializes in hazardous materials assessments for regulatory compliance and construction management. Over the past decade, Thorne — an African-American entrepreneur, community leader and activist — has grown her company to become a thriving multi-million-dollar business. She recently founded Demo Chicks, a non-profit that empowers young Black women to enter the construction, engineering and demolition ...