Roles & Affiliations

Roles and affiliations here include core leadership, institute memberships, collaborative cohorts, and communities that allow interdisciplinary brain health research to happen.

Leadership role

Brain Health Program

Co-director, Data Science and Mathematical Modeling Core, with Yanxun Xu

A translational engine for integrating cognitive data, biomarkers, neuroimaging, and computational methods across HIV, Long COVID, aging, and related brain health questions.

Leadership role

Johns Hopkins Center for the Advancement of HIV Neurotherapeutics (JH-CAHN)

Co-director, Biomarker Core, with Rebecca Veenhuis

A collaborative infrastructure role focused on biomarker discovery, validation, and interpretation for HIV-associated neurocognitive and neuroimmune conditions.

Affiliations & Collaborative Infrastructure

Data Science and AI Institute Affiliate

Interdisciplinary data science, AI, modeling, and translational analytics.

IDIES Voted member

Large-scale data systems, computational research, and reproducible scientific workflows.

MWCCS / MACS-WIHS Collaborative cohort infrastructure

Member of the BRACE/tablet-based cognitive data reading center, Sleep Working Group, and Neuropsych Working Group.

CHARTER Collaborative cohort science

Collaborative research infrastructure for studying neurocognitive, clinical, and biopsychosocial phenotypes in people with HIV.

Community Infrastructure

Moveable Feast Board Community health leadership and service beyond the academic lab. SynaptiCoders Weekly code review, mentorship, and peer learning for scientists building computational skills. R-Ladies Baltimore Inclusive data science community building and technical training. Neuromatch Open computational neuroscience education and global scientific community.

Research Focus Areas

NeuroHIV cognitive phenotyping

Data-driven models of cognitive heterogeneity in HIV, including sex-specific profiles, women with HIV, and longitudinal cognitive trajectories.

Sleep, wearables, and chronobiology

Actigraphy, polysomnography summaries, wearable streams, and self-report data as modifiable determinants of neurocognition.

Biomarker and neuroimaging integration

Multi-omics, inflammatory markers, blood-brain barrier imaging, neurofilament, GFAP, metabolomics, and cognition.

Cellular systems and axonal injury

Engineering foundations in traumatic brain injury, axonal pathology, extracellular vesicles, astrocyte-neuron signaling, and MEA systems.

Research Support