Siobhan Kassem is a Ph.D. student in the Department of Oceanography at Texas A&M University (TAMU). Within GCOOS, she serves as the Interim Gulf of America Coastal Acidification Network (GCAN) Program Coordinator.

Kassem earned her master’s degree in Oceanography from TAMU in 2024. Her master’s focused on seawater carbonate chemistry along seamounts in the North Pacific Ocean, specifically analyzing the aragonite saturation horizon and its implication to deep sea coral reefs. She also earned her Bachelor’s degree in Chemistry from California Polytechnic State University, San Luis Obispo, with research focused on estuarine total alkalinity dynamics. Kassem is passionate about better understanding anthropogenic contributions to the ocean carbonate system and its impacts to the marine environment.