Ms. Callahan has over seven years of experience as a marine scientist specializing in ecological impact assessments, marine biological monitoring, offshore feasibility studies and subsea environmental assessments. She has experience conducting international and domestic environmental impact assessments. Her key areas of expertise are offshore oil and gas development, decommissioning, and Rigs to Reefs program implementation. She specializes in ecological evaluations of offshore resources, kelp forests and wetland restoration projects, and biodiversity baseline management studies. She has worked in the Netherlands, Thailand, and Malaysia. Ms. Callahan has a strong background in public education, communication, and outreach initiatives critical to relating complex scientific concepts to a variety of audiences.