Biostatistics & Epidemiology Methodology Core

OVERVIEW

The JHU CFAR Biostatistics and Epidemiology Methodology (BEM) Core provides leadership, collaboration, and methodological expertise to advance innovative HIV/AIDS research across the Johns Hopkins University community. By supporting investigators at all stages of their research—from study design and data collection to analysis and dissemination—the BEM Core ensures that HIV-related research is rigorous, data-driven, and methodologically sound.

The BEM Core provides state-of-the-art epidemiological and biostatistical services in support of innovative HIV/AIDS research. To accomplish this goal, we link investigators to BEM Core members with epidemiological and methodological expertise.

Core Services Offered

Study protocol, design selection, and analysis plan support for grant proposals
Statistical analysis support and sample size calculations
Data management support via integration with the JHBC Data Informatics Services Core
Epidemiologic consulting on study design and inclusion/exclusion criteria
Simulation model development (agent-based, network, and compartmental)

Education & Mentorship

Training for staff, students, fellows, early-stage investigators, and junior faculty
Instruction in advanced methods for HIV research (workshops, seminars, and mentorship programs)
Promotion of innovative research methods
Education on new methodological advances

General Support

Grant reviews prior to submission
Assistance with reports, manuscripts, and presentations
Collaboration with other CFAR Cores and institutional partners
Monthly office hours for brief consultations

REQUEST SERVICES

Study Design & Grant Support
Statistical Analysis
Data Management Support
Epidemiologic Consulting
Modeling Support
Training

ANNOUNCEMENTS

BEM Core Office Hours: January 15, 2026, from 10-11 am ET Register by January 8th!

View Event

View CFAR Events Calendar

Leadership & Staff

Bryan Lau, PhD, ScM, MHS

Director, CFAR Biostatistics and Epidemiology Methodology Core; Professor

Profile Bibliography blau1@jhu.edu

Bareng Aletta Sanny Nonyane, PhD, MSc

Co-Director, CFAR Biostatistics and Epidemiology Methodology Core; Research Professor

Profile Bibliography bnonyan1@jhu.edu

David W. Dowdy, MD, PhD, ScM

Co-Chair, Dynamic Modeling Branch, Biostatistics and Epidemiology Methodology Core; Executive Vice Dean for Academic Affairs; Professor

Profile Bibliography ddowdy1@jhmi.edu

Mary Kathryn Grabowski, PhD, ScM

Co-Chair, Dynamic Modeling Branch, Biostatistics and Epidemiology Methodology Core; Assistant Professor

Profile Bibliography mgrabow2@jhu.edu

Gayane Yenokyan, PhD, MHS, MPP, MPH, MD

Co-Chair, Biostatistics Branch, Biostatistics and Epidemiology Methodology Core; Executive Director of the Biostatistics Center; Senior Scientist

Profile Bibliography gyenoky1@jhu.edu

Noya Galai, PhD

Co-Chair, Biostatistics Branch, Biostatistics and Epidemiology Methodology Core; Associate Professor

Profile Bibliography ngalai1@jhu.edu

Eric Seaberg, PhD, MPH

Chair, Epidemiological Methods Branch, Biostatistics and Epidemiology Methodology Core; Assistant Professor

Profile Bibliography ecs@jhu.edu

Eryka Saylor (Wentz), MA

Core Manager, Biostatistics and Epidemiology Methodology Core

Profile Bibliography ewentz1@jhu.edu

Recent Presentations

CFAR Annual Meeting 2025 Scientific Presentations

Grant number: P30A1094189

Johns Hopkins University | Baltimore, Maryland | 410-516-8000 | Privacy Statement