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Home » Research

Biostatistics & Bioinformatics Shared Resource

Personnel

Staff members of the Biostatistics & Bioinformatics Shared Resource have expertise in the biostatistical aspects of clinical, basic science, and prevention and control research. Specific areas of methodological interest are included in a brief profile of each staff member.

Françoise Seillier-Moisewitsch, PhD, Director
Edmund A. Gehan, PhD, Professor
Antai Wang, PhD, Assistant Professor
Habtom Ressom, PhD,
Assistant Professor
Lei Nie, PhD,
Assistant Professor
Hongfang Liu, PhD, Assistant Professor
Rebecca S. Slack, MS,
Biostatistician
Ying Zhang, MS,
Biostatistician

Françoise Seillier-Moisewitsch, PhD Françoise Seillier-Moisewitsch, PhD
Director
Biostatistics Resource

Dr. Seillier-Moiseiwitsch obtained her Ph.D. and M.S. degrees fin Statistics from the University of London (U.K.). After some postdoctoral years at Stanford and Berkeley, she became an Assistant Professor then tenured Associate Professor in Biostatistics at the University of North Carolina at Chapel Hill. She joined the LCCC September 2004 after spending three years at the University of Maryland-Baltimore County as the Director of the Bioinformatics Research Center.

Her specific areas of interest are:

  • bioinformatics for genomics and proteomics
  • statistical analysis of molecular genetic data, 2D gels and protein profiles
  • genetic and molecular epidemiology
  • predictive influence.

Contact Information

Suite 180, Building D
E-mail: seillier@georgetown.edu
Telephone: (202) 687-2511
Fax: (202) 687-2581

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Edmund A. Gehan, Ph.D.Edmund A. Gehan, PhD
Professor
Biostatistics Resource

Dr. Gehan has extensive experience as a biostatistician collaborating with cancer research investigators at the National Cancer Institute, the University of Texas M. D. Anderson Cancer Center and, since 1994, at the Lombardi Comprehensive Cancer Center. He has contributed to the methodology of cancer clinical trials and survival analysis.

His specific areas of interest are:

  • designing and conducting cancer clinical trials
  • biostatistical methodology
  • survival analysis
  • prognostic factor studies.

Contact Information

Room 180, Building D
E-mail: gehane@georgetown.edu
Telephone: (202) 687-0825
Fax: (202) 687-2581

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Antai Wang, Ph.D.Antai Wang, PhD
Assistant Professor

Dr. Wang completed his PhD degree in Statistics at the University of Rochester in August, 2002 and received an MA in Mathematics and Statistics from York University, Canada in 1997. He joined the Lombardi's Biostatistics & Bioinformatics Shared Resource in September, 2002 and is working on research projects in basic science, clinical trials, and population science. While at the University of Rochester, he worked closely with faculty members in biostatistics and medical research investigators in various fields including microarray expression profiling, Parkinson's disease, and limb sparing treatments.

His specific areas of interest are:

  • Design and analysis of cancer research projects
  • Survival data analysis and frailty models
  • Analysis of microarray data
  • Design and analysis of Phase I, II, and III clinical trials

Contact Information

Suite 180, Building D
E-mail: aw94@georgetown.edu
Telephone: (202) 687-0819
Fax: (202) 687-2581

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Habtom Ressom, PhDHabtom Ressom, PhD
Assistant Professor

Dr. Ressom received a Ph.D. in Electrical Engineering from the University of Kaiserslautern, Germany in 1999. Prior to joining Georgetown University in 2004, he was an Assistant Professor of Electrical and Computer Engineering at the University of Maine, where he worked on several funded research and industrial projects. He applied computational intelligence-based methods such as artificial neural networks, fuzzy logic, and evolutionary computing for microarray data analysis, DNA base calling, ocean color remote sensing, and industrial process control. His current research at Georgetown University focuses on the development of computational intelligence-based methods for analysis of high dimensional genomic and proteomic data.

His specific areas of interest are:

  • Bioinformatics application of computational intelligence
  • Analysis of microarray data
  • Analysis of mass spectral data

Contact Information

Suite 180, Building D
E-mail: hwr@georgetown.edu
Telephone: (202) 687-2283
Fax: (202) 687-0227

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Lei Nie, PhD Lei Nie, PhD
Assistant Professor

Dr. Nie received his PhD in Statistics from the University of Illinois at Chicago in 2002. Before he joined Georgetown University in September, 2005, he worked as an Assistant Professor in the Department of Mathematics and Statistics at the University of Maryland- Baltimore County for three years. Dr. Nie's research interests are:

  • Analysis for longitudinal data and repeated measurement

  • Statistical genomics and bioinformatics

  • Statistical methodology for Epidemiology research

  • Clinical trials

Contact Information

Suite 180, Building D
E-mail: ln54@georgetown.edu
Telephone: (202) 687-7532

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Hongfang Liu, PhDHongfang Liu
Assistant Professor

Hongfang Liu, PhD, is currently an Assistant Professor in Department of Biostatistics, Bioinformatics, and Biomathematics (DBBB) of Georgetown University. Prior to that, Dr. Liu worked at the Information Systems Department of University of Maryland at Baltimore County as an Assistant Professor. Dr. Liu received her BS degree in Applied Mathematics and Statistics from University of Science and Technology of China in 1994, the MS degree in Computer Science from Fordham University in 1998, and the PhD degree in computer science at the Graduate School of City University of New York in 2002.

Dr. Liu's research interests are:

  • Biomedical text mining

  • Machine learning and data mining

  • Biomedical software engineering and development

  • Bioinformatics specialized in biomedical databases and microarray data analysis

Contact Information

Suite 180, Building D
E-mail: hl224@georgetown.edu
Telephone: (202) 687-7933

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Rebecca S. Slack, MSRebecca Slack
Biostatistician

Rebecca Slack, MS, has been a staff member in the Biostatistics & Bioinformatics Shared Resource since 1996. After teaching mathematics for 3 years, she attended Cornell University where she completed a Masters degree in Biometry in September 1996 and gained some consulting experience. Her minor was in International Nutrition with a focus in Nutritional Epidemiology. Her thesis work applied linear and nonlinear models to evaluate the process of depletion and repletion in a malnourished population across pregnancy and lactating cycles.

Ms. Slack currently works with multiple investigators on a variety of projects ranging from basic science through phase III clinical trials. She works on vaccine therapy clinical trials and breast cancer projects and related issues, attending the breast cancer conference seminars to learn more about the characteristics of the disease and pertinent issues concerning research projects.

Her specific areas of interest are:

  • study design and project development
  • follow-up analyses and reports for research projects
  • Phase I, II, III cancer clinical trials
  • vaccine therapy development in clinical trials
  • nutritional and metabolic effects on cancer treatment response

Contact Information

Suite 180, Building D
E-mail: slackrs@georgetown.edu
Telephone: (202) 687-0830
Fax: (202) 687-2581

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Ying Zhang, M.S.Ying Zhang, MS
Biostatistician

Ying Zhang received her M.S. degree in Biostatistics from the University of Michigan at Ann Arbor in 2000, and joined the Lombardi's Biostatistics & Bioinformatics Shared Resource in October 2000. She worked as a research assistant in Department of Biostatistics during her study at the University of Michigan. Also, she obtained her MD in China and worked as a resident there for more than one year in a hospital. Currently she is working as a biostatistical consultant on design and analysis of basic science and clinical cancer projects.

Her specific areas of interest are:

  • Phase I, II, III cancer clinical trials
  • consultations on study design and analysis issues
  • survival data analysis
  • statistical analysis for research projects

Contact Information

Suite 180, Building D
E-mail: yz9@georgetown.edu
Telephone: (202) 687-4055
Fax: (202) 687-2581

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Vacancies

Lombardi is committed to an outstanding state-of-the-art translational research program in cancer and the Divsion of Biostatistics and Bioinformatics is an integral part of this effort. There are currently no openings.

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