Becca Winterringer is Lead Projects and Program Manager with SIG. She brings over 20 years of experience in freshwater ecosystems, with expertise spanning aquatic sciences, environmental flows, and regulatory compliance for complex natural resource projects. She is a proven leader in delivering defensible, science-based solutions that balance ecological objectives with stakeholder needs.

Becca has spent much of her career conducting aquatic inventories for NEPA and Endangered Species Act compliance for public and private industry. She is a Certified Mollusk Professional with deep expertise in unionid mollusk ecology and has served as a Senior Scientist for hundreds of projects over her career.

In her recent work with The Nature Conservancy as a Project Advisor for the Sustainable Rivers Program, a partnership with the U.S. Army Corps of Engineers, she supported over 50 project teams through mentorship and technical support. She helped teams utilize tools and software for data-driven river management to improve the health and resilience of rivers influenced by USACE infrastructure.

Becca holds a Bachelor’s degree in Fisheries Science from Virginia Tech and a Master of Science degree in Biology from Arkansas State University. She is based in the Cleveland, Ohio area.