People

danDan E. Arking, Ph.D.

Associate Professor
McKusick-Nathans Institute of Genetic Medicine and Department of Medicine, Division of Cardiology
Phone: (410) 502-4867
Fax: (410) 614-8600
arking@jhmi.edu

Education:

  • Doctor of Philosophy in Human Genetics from Johns Hopkins University School of Medicine – 2001
  • Bachelor of Science in Cell, Molecular Biology, & Genetics from the University of Maryland, College Park – 1995

Research Interests:

  • Genetics of complex disease
  • Cardiovascular disease and sudden cardiac death
  • Autism
  • Development and implementation of novel GWAS analytical tools

Recognition and Leadership Roles:

  • Member, The American Society for Human Genetics
  • Scientific Advisory Board Member, Association for Eradication of Heart Attack (AEHA)
  • Member, Simons Foundation Autism Research Initiative Review Board
  • Member, Simons Foundation Autism Research Gene Advisory Board

christinaChristina Castellani, Ph.D.

Postdoctoral Fellow
ccastel8@jhmi.edu

 
 

Education:

  • Doctor of Philosophy in Human Molecular Genetics from The University of Western Ontario – 2015
  • Master of Science in Human Molecular Genetics from The University of Western Ontario – 2009
  • Bachelor of Science, Honors Specialization in Genetics from The University of Western Ontario – 2007

Research Focus:
My work is currently focused on the association between nuclear DNA methylation and mitochondrial copy number in the ARIC cohort. This is achieved through the in-depth analysis of data from high-throughput microarrays


ryanRyan Longchamps

Human Genetics Graduate Student
rlongch1@jhmi.edu

 
 

Education:

  • Bachelor of Science in Neurobiology & Physiology from University of Maryland, College Park – 2011

Research Focus:
My work in the lab focuses on mitochondrial genetics and its relation to cardiovascular disease, more specifically sudden cardiac death. Recent work in our lab has identified an association with sudden cardiac death and mitochondrial copy number. My project is focused on elucidating the control mechanisms and genetic determinants for mitochondrial copy number and how these mechanisms play a role in cardiovascular disease.


rebeccaRebecca Mitchell, M.S.

Human Genetics Graduate Student
reggebe1@jhmi.edu

 
 

Education:

  • Master of Science in Biotechnology from Johns Hopkins University – 2011
  • Bachelor of Science in Forensic Science from Penn State University – 2009

Research Focus:
My work in the lab focuses on the effects of mitochondrial DNA variation, specifically the correlation of mitochondrial DNA copy number with mitochondrial DNA heteroplasmy and aging-related phenotypes. I am working to develop a method to predict mitochondrial DNA copy number from next generation sequencing data, including whole genome and whole exome sequence data.


jasonJason Amores Sumpter, M.S.

Research Specialist
jsumpte1@jhmi.edu

 
 

Education:

  • Master of Science in Applied Molecular Biology from the University of Maryland, Baltimore County – 2016
  • Bachelor of Science in Biological Sciences from the University of Maryland, Baltimore County – 2014
  • Associate of Arts with Biology focus from Carroll Community College – 2012

Research Focus:
Lab manager


Former Lab Members:

 

pallavPallav Bhatnagar, Ph.D.

WAS: Postdoctoral Fellow
NOW: Research Scientist
Tailored Therapeutics (TTx) Genetics
Eli Lilly & Co.

 

Education:

  • Postdoctoral Fellow in the Arking Lab at the Johns Hopkins Institute of Genetic Medicine, Baltimore, MD – 2009-2014
  • Postdoctoral Research Associate at the Institute of Cellular Medicine, Newcastle University, UK – 2007-2008
    (Advisors: Prof. Ann K. Daly and Prof. Heather J. Cordell)
  • Doctor of Philosophy in Pharmacogenetics from the University of Delhi, Delhi, India – 2007
  • Master of Science in Biochemistry from the School of Life Sciences, Agra University, India – 2001
  • Bachelor of Science in Chemistry, Zoology and Botany from the Agra University, India – 1999

simoneSimone Gupta, Ph.D.

WAS: Postdoctoral Fellow
NOW: Research Scientist
Tailored Therapeutics (TTx) Bioinformatics
Eli Lilly & Co.

 

Education:

  • Postdoctoral Fellow in the Arking Lab at the Johns Hopkins Institute of Genetic Medicine, Baltimore, MD – 2009-2014
  • Postdoctoral Fellow in Human Genetics/Computational and Systems Biology Research groups at the Genome Institute of Singapore – 2007-2009
  • Doctor of Philosophy in Biomedical Sciences from the Institute of Genomics and Integrative Biology, CSIR – 2006
  • Master of Science in Biomedical Science from the Dr. B.R. Ambedkar Center for Biomedical Research – 2001

shannonShannon Ellis, Ph.D.

WAS: Human Genetics Graduate Student
NOW: Postdoctoral Fellow
Leek Group
Johns Hopkins Bloomberg School of Public Health
LinkedIn

 

Education:

  • Doctor of Philosophy in Human Genetics from Johns Hopkins University – 2016
  • Bachelor of Science in Biology from King’s College, Pennsylvania – 2010

foramForam Ashar, Ph.D.

WAS: Human Genetics Graduate Student
NOW: Research Scientist
Vertex
LinkedIn

 

Education:

  • Doctor of Philosophy in Human Genetics from Johns Hopkins University  – 2016
  • Bachelor of Science in Biotechnology and Genetics from University of Georgia – 2010

nathanNathan A. Bihlmeyer, Ph.D.

WAS: Human Genetics Graduate Student
NOW: Postdoctoral Fellow in Neurology, Harvard Medical School
Massachusetts General Hospital
MIND Informatics Group
Professional Website

 

Education:

  • Doctor of Philosophy in Human Genetics from Johns Hopkins University  – 2016
  • Bachelor of Science in Biochemistry from North Carolina State University – 2011

annaAnna Moes, M.S.

WAS: Senior Research Specialist
NOW: Applications Specialist
Natera
LinkedIn

 

Education:

  • Master of Science in Biotechnology with Concentration in Bioinformatics from Johns Hopkins University – 2014
  • Bachelor of Science in Genetics, Cell Biology and Development from the University of Minnesota-Twin Cites – 2009

naftaliNaftali Horwitz

WAS: Undergraduate Student
NOW: Graduate Student
Harvard University

 

Education:

  • Bachelor of Science from Johns Hopkins University – 2016