Dr. Rosie Alegado is an Associate Professor of Oceanography and Sea Grant at the University of Hawai'i at Mānoa where she is Director for the Center of Ulana ʻIke Center of Excellence and a member of the Center for Microbial Oceanography: Research and Education. She is also Director of the School of Ocean and Earth Science and Technology Maile Mentoring Bridge Program, Chair of the City & County of Honolulu Climate Change Commission, and a Member of The National Academy of Science and Engineering and Medicine Ocean Studies Board. This Board serves as the U.S. National Committee for the United Nations Decade of Ocean Science for Sustainable Development 2020-2030 Initiative. Rosie studies microbes, the smallest living organisms who do a lot of the unseen work in our world. She is interested in understanding how microbes have shaped our world. When she's not working, Rosie loves learning about the natural world, and she has lately been re-connecting with her cultural heritage as a native Hawaiian. She and her daughter practice hula, and she also engages in formalized chant training. When she is overloaded and needs a break, Rosie enjoys reading romance novels and other books. Rosie received her B.S. degree in Biology with a minor in Environmental Health and Toxicology from MIT. She was awarded her Ph.D. in Microbiology and Immunology from Stanford University. Afterwards, Rosie conducted postdoctoral research in evolutionary biology at the University of California, Berkeley before joining the team at UH Mānoa. In this interview, she shares more about her life and science.