Current Lab Members
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Dr. Maggie Sogin
Principle Investigator
Desk Jockey and Ocean Lover. Maggie obtained her Sc.B in Marine biology at Brown University and her Ph.D. at University of Hawaii.
Maggie enjoys being outside whenever possible, when outside the lab she can usually be found rock climbing or camping with her dog, husband and daughter.
Email: maggies [at] ucr.edu
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Diane-Marie Brache-Smith
Doctoral Candidate
Seagrass Protector and Microbial Enthusiast. Diane obtained her B.S. in Biology with a concentration in Biotechnology at Miami Dade College.
Diane can often be found in the wild, camping, hiking, scuba diving, biking, surfing, or snowboarding. She needs to be watered often and exposed to the sun.
Email: dbrache-smith [at] ucmerced.edu
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Sophie MacVittie
Doctoral Student
Mother to Aiptasia. Sophie obtained her B.S. in Marine Science at Eckerd College.
Outside the lab, Sophie enjoys hiking, scuba diving, and cooking.
Email: smacvittie [at] ucmerced.edu
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Mara Schwiesow
Doctoral Student
Ocean Wonderer and Symbiosis Investigator.
Mara Schwiesow obtained a B.A. in both Biochemistry and Molecular Biology and Philosophy from Cornell College.
Mara enjoys skiing, whitewater rafting, and hiking when she's not in lab.
Email: mschwiesow [at] ucmerced.edu
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Dr. Vivian Rojas
Postdoctoral Scholar
Metabolic Maven and Germ Guru. Vivian obtained her B.S. in Microbiology at The University of Texas at Arlington and her Ph.D. at The University of Texas Southwestern Medical Center. During her Ph.D. training she studied how Salmonella Typhimurium, a pathogen that causes intestinal colitis, perceives the changing metabolic landscape of the gut to successfully cause disease.
Outside of the lab, Vivian loves to travel and is usually found cooking, baking, and spending time with her partner and their pets.
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Emma Deen
Doctoral Student
Emma obtained her B.S. in Evolution, Ecology, and Biodiversity with a minor in Spanish from UC Davis. When not in the lab, Emma enjoys hiking, exploring new places, and spending time along the coast, especially at the beach.
email: emmadeen[at]ucmerced.edu
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Helaina Lindsey
Animal Technician
Helaina obtained her B.S. in Marine Biology with a minor in Earth Sciences from UC Santa Cruz. Her career in animal care began in undergrad, volunteering at the Tuna Research and Conservation Center for the Monterey Bay Aquarium, caring for bluefin and yellowfin tuna. Though she has a lifelong obsession with marine fauna, no animal is safe from her. Her hobbies include bird watching, lizard catching, tide pooling, and bone collecting.
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Matthew Corona
Undergraduate Student
Matthew Corona is an undergraduate student expected to graduate in the spring of 2027 with a B.S. in Molecular Cellular Biology. Matthew enjoys collecting vinyl records, playing baseball, and propagating his own moss for terrariums
Lab Alumni
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Gina Chaput
Former Postdoc, now faculty at Sonoma State University
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Hailey Hatch-West
Former Lab Tech, now GRFP fellow at UH Manoa
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Kaden Muffett
Former postdoc in the lab
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Jackie Badillo
Former Undergrad
Graduated Spring 2025
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Saray Madea
Former Undergrad
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Kristal Navarro
Former Undergrad
Graduated Spring 2023
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David Smyth
Former Undergrad
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Saam Doroodian
Former Undergrad
Graduated Spring 2022
Join Us @ UC Riverside
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Please contact Maggie for more information about graduate programs at UCR.
If you are interested in joining the lab, please make sure to read our code of conduct page prior to reaching out and then fill out our Graduate Student Interest Form.
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We are excited to welcome UC Riverside undergraduates to the lab. If you are an undergraduate student and curious about doing research, please contact us using this form:
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We are excited to discuss post-doc opportunities with you. If you are interested in doing as post-doc in the Sogin Lab please send us an email.

