
Christopher J. Hernandez, Ph.D.
Professor
Departments of Orthopaedic Surgery and Bioengineering and Therapeutic Sciences, UCSF
Department of Bioengineering, UC Berkeley

Kelsey DeFrates, PhD.
Postdoctoral Fellow
Engineered Living Materials

Samuel Stephen, PhD.
Postdoctoral Fellow
Microbiome and Bone

Chongshan Cleo Liu, M.S.
Ph.D. Candidate
Mechanical Engineering
The Microbiome and Bone Strength

Nicolas Cevallos, B.S.
M.D. Student
Microbiome and Musculoskeletal Disease

Natasha Hunt, M.S.
Ph.D. Student
Bioengineering
Microbiome and Musculoskeletal Disease

Gissell Jimenez, B.S.
Ph.D. Student
Bioengineering
Engineered Living Materials

Hannah Herzog, B.S.
D.D.S./Ph.D. Student
OCS
Microbiome and Bone
Lab Alumni
Postdocs
Floor M. Lambers, Ph.D. (Postdoc 2011-2013)
Xuanhao Sun, Ph.D. (Postdoc 2012-2013)
Erika Cyphert, Ph.D. (Postdoc 2021-2024)
Eva González Díaz (Postdoc 2023-2025)
Graduate Students
Junsung (John) Lee, Ph.D. (Mechanical Engineering, 2019-2024)
Christine Harper, Ph.D. (Biomedical Engineering, 2017-2022)
Marysol Luna, Ph.D. (Mechanical Engineering, 2015-2020)
Jason D. Guss, Ph.D. (Biomedical Engineering, 2013-2018)
Ashley M. Torres, Ph.D. (Biomedical Engineering, 2012-2018)
Jonathan B. Matheny, Ph.D. (Biomedical Engineering, 2012-2017)
Erin N. Cresswell, Ph.D. (Mechanical Engineering, 2011-2017)
Matthew G. Goff, Ph.D. (Biomedical Engineering, 2010-2015)
Craig R. “C.J.” Slyfield, Ph.D. (Mechanical Engineering, 2006-2012)
Meghan M. Cotter, Ph.D. (Anatomy, 2007-2010)
Seetha Ramudu “Ramu” Kummari, Ph.D. (Mechanical Engineering, 2006-2010)
Karan Jha, M.S. (2023)
Jiren Liu, M.S. (2023)
Josue Santana, M.S. (2019)
Melanie F. Roberts, M.S. (2018)
Yu-Chern “Chad” Wong, M.S. (2018)
Remy Walk, M.S. (2017)
Katherine Ehlert, M.S. (2013)
Undergraduate alumni who have pursued academics
Jacob Nixon (2020-2022)
Meghana Machireddy (2017-2019)
Laura Vasquez-Bolanos (2016-2019)
Sebastian Roubert (2016-2018)
Lucy M. Wang (2015-2017)
Thu Nguyen (2012-2015)
Amanda R. Bouman (2011-2015)
Ryan E. Tomlinson (2006-2008)
Kyle E. Niemeyer (2007)