Perelman School of Medicine at the University of Pennsylvania

Grice Lab



 Elizabeth Grice, Ph.D.

  Principal Investigator
  Assistant Professor, Department of Dermatology

 Post-doctoral Fellowship: Laboratory of Dr. Julia Segre, NIH/NHGRI

Ph.D., Human Genetics, John Hopkins University

B.A., Biology, Luther College

GeorgiaGeorgia Sfyroera, Ph.D.

Research Associate

Post-doctoral Fellowship: Laboratory of Dr. John Lambris, University of Pennsylvania

Ph.D., Immunology, University of Patras, Greece.

B.S., Biology, University of Patras, Greece

Research Interests: Complement, Staphylococcus aureus


Qi Zheng, Ph.D.


Post-doctoral fellowship, Laboratory of Dr. Brian Gregory, University of Pennsylvania

Ph.D., Bioinformatics, Chinese Academy of Science

B.S., Biology, Peking University

Research Interests: Tool development for next-generation sequence analysis

hanniganGeoffrey Hannigan, B.S.

Ph.D. Graduate Student, Cell and Molecular Biology; Gene Therapy and Vaccines Program

B.S., Cell & Molecular Biology, University of Minnesota Duluth

Research Interests: Metagenomic analysis of the human skin virome; Characterization of the microbial communities associated with traumatic wounds and their ability to heal; Understanding microbial associations with human dermatological diseases of unknown etiology.


  Jacquelyn Meisel, B.S.

  Ph.D. Graduate Student, Genomics and Computational Biology Program

 B.S., Bioinformatics, University of Maryland Baltimore County

 Research Interests: Skin metagenomics; RNA-seq to analyze host response to commensal and pathogenic microbiota


  Adam Sanmiguel, B.A.

  Ph.D. Graduate Student, Cell and Molecular Biology; Microbiology, Virology and Parasitology (MVP) program

B.A., Biology, Colby College

Research Interests: Effect of the microbiome and innate immunity on wound healing using mouse models; host factors that influence colonization of the skin with microbiota.


Michael Loesche, B.S.

M.D./Ph.D. Medical Scientist Training Program, Cell and Molecular Biology; Microbiology, Virology and Parasitology (MVP) program

B.S., University of Texas Austin

Research Interests: Microbial dynamics during progression of dysbiotic and/or inflammatory disease; Bacteriophage-host interactions during wound healing.


Charles Bradley, V.M.D., Diplomate A.C.V.P.

Lecturer, Pathobiology; Veterinary dermatopathologist

VMD, Veterinary Medicine, University of Pennsylvania

BS, Animal Science, Biology-Anatomy and Physiology, Cornell University

Research Interests: Skin microbiome associated with pyoderma and treatments in dogs with atopic dermatitis; effect of antibiotic pressures on the canine resistome


JosephJoseph Horwinski, B.S.

Research Specialist B

B.S., Biology, Northern Arizona University



Amanda Tyldsley, B.S.

Part Time Research Specialist B

B.S., Biology, Northern Arizona University



Keisha Findley, Ph.D.

Adjunct laboratory member

Post-doctoral Fellowships: Laboratories of Dr. Julia Segre and Dr. Vence Bonham, NIH/NHGRI

Ph.D., Duke University

B.S., University of Maryland Baltimore County

Research Interests: The microbiome of impaired healing in sickle cell leg ulcers