Stable Isotope Laboratory People Directors/Managers Bruce H. Vaughn, Research Associate Research Team Bradley Markle, Assistant Professor Sylvia Englund Michel (she/her), Assistant Laboratory Manager Valerie Morris, Laboratory Technician John Ortega, Professional Research Associate Kevin Rozmiarek, Professional Research Assistant Chloe Brashear, Professional Research Assistant Reid Clark (he/him), Professional Scientist I Jura, Productivity Facilitator Alumni Abigail Thayer, PhD, 2021 Seth Kurtz, Lab Technician William Skorski, PhD Student Isaac Vimont, PhD 2017 Karen Alley, PhD 2017 Amy Steiker, Caroline Alden, PhD 2013 in Geological Sciences Emily Longano, undergraduate researcher