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Warren M. Grill

Edmund T. Pratt, Jr. School Distinguished Professor of Biomedical Engineering
Biomedical Engineering
Box 90281, Dept Biomedical Engineering, Durham, NC 27708-0281
Fitzpatrick CIEMAS 1139, 101 Science Drive, Durham, NC 27708-0281

Research Interests


Neural engineering and neural prostheses and include design and testing of electrodes and stimulation techniques, the electrical properties of tissues and cells, and computational neuroscience with applications in restoration of bladder function, treatment of movement disorders with deep brain stimulation, and treatment of chronic pain.

Selected Grants


Neurobiology Training Program

Inst. Training Prgm or CMEMentor · Awarded by National Institutes of Health · 2024 - 2029

Duke KURe Program

Inst. Training Prgm or CMEMentor · Awarded by National Institute of Diabetes and Digestive and Kidney Diseases · 2013 - 2028

Optimized Electrical Block of Peripheral Nerves

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2023 - 2027

Duke Preparing Research Scholars in Biomedical Sciences- Post-Baccalaureate Research Education Program

Inst. Training Prgm or CMEMentor · Awarded by National Institute of General Medical Sciences · 2022 - 2027

Medical Scientist Training Program

Inst. Training Prgm or CMEPreceptor · Awarded by National Institute of General Medical Sciences · 2022 - 2027

Neurobiology Training Program

Inst. Training Prgm or CMEMentor · Awarded by National Institutes of Health · 2024 - 2029

Duke KURe Program

Inst. Training Prgm or CMEMentor · Awarded by National Institute of Diabetes and Digestive and Kidney Diseases · 2013 - 2028

Optimized Electrical Block of Peripheral Nerves

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2023 - 2027

Duke Preparing Research Scholars in Biomedical Sciences- Post-Baccalaureate Research Education Program

Inst. Training Prgm or CMEMentor · Awarded by National Institute of General Medical Sciences · 2022 - 2027

Medical Scientist Training Program

Inst. Training Prgm or CMEPreceptor · Awarded by National Institute of General Medical Sciences · 2022 - 2027

NeuroSimNIBS: Integrated electric field and neuronal response modeling for transcranial electric and magnetic stimulation

ResearchCo-Principal Investigator · Awarded by National Institute of Mental Health · 2022 - 2027

An Integrated Biomarker Approach to Personalized, Adaptive Deep Brain Stimulation in Parkinson Disease

ResearchCo Investigator · Awarded by National Institute of Neurological Disorders and Stroke · 2023 - 2027

Characterizing Evoked Potentials of Deep Brain Stimulation for Parkinson's Disease

FellowshipPrincipal Investigator · Awarded by National Institutes of Health · 2023 - 2026

Deep Brain Stimulation Evoked Potentials (SRA2)

ResearchPrincipal Investigator · Awarded by Boston Scientific Corporation · 2021 - 2026

Sacral Nerve Stimulation for Restoration of Bowel Function

ResearchPrincipal Investigator · Awarded by The Craig H. Neilsen Foundation · 2024 - 2026

Neuromod Prize

Public ServicePrincipal Investigator · Awarded by National Institutes of Health · 2022 - 2026

SC200190 - "Chronic Studies of Spinal Cord Stimulation for Restoration of Bladder Function"

ResearchPrincipal Investigator · Awarded by United States Army Medical Research Acquisition Activity · 2021 - 2025

Biology and Biophysics of the Cortical Response to Transcranial Magnetic Stimulation

ResearchCo Investigator · Awarded by National Institutes of Health · 2020 - 2025

Duke Women's Reproductive Health Research Scholars

Inst. Training Prgm or CMEMentor · Awarded by Eunice Kennedy Shriver National Institute of Child Health and Human Development · 2020 - 2025

NINDS Research Education Programs for Residents and Fellows in Neurosurgery

Inst. Training Prgm or CMEMentor · Awarded by National Institute of Neurological Disorders and Stroke · 2009 - 2025

MPS-TMS: Modular Pulse Synthesizer for Transcranial Magnetic Stimulation with Fully Adjustable Pulse Shape and Sequence

ResearchCo Investigator · Awarded by National Institutes of Health · 2020 - 2025

Modeling of Epidural Cortical Stimulation

ResearchPrincipal Investigator · Awarded by Motif Neurotech · 2024 - 2025

A Rational Engineering Design Approach to Minimizing the Off-Target Effects of Baroreceptor Activation Therapy

ResearchCo-Principal Investigator · Awarded by University of Wisconsin - Madison · 2022 - 2025

Quantifying SCS Responses in Diabetic Peropheral Neuropathy

ResearchPrincipal Investigator · Awarded by Boston Scientific Corporation · 2024 - 2025

Modeling of Electrical Stimulation of the Human Tibial Nerve

ResearchPrincipal Investigator · Awarded by Coloplast Corp. · 2023 - 2025

Localization of the Epileptogenic Zone to Improve Outcomes of Epilepsy Surgery

ResearchPrincipal Investigator · Awarded by Howard University · 2024 - 2025

Control Of Colonic Motility

ResearchPrincipal Investigator · Awarded by Axonics, Inc. · 2023 - 2024

Temporal Patterns of Spinal Cord Stimulation

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2019 - 2024

Temporal Patterns of Deep Brain Stimulation

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2004 - 2024

Engineering the neuronal response to electrical microstimulation

ResearchPrincipal Investigator · Awarded by University of Florida · 2022 - 2024

Computational Tools for Improving Stereo-EEG Implantation and Resection Surgery

FellowshipPrincipal Investigator · Awarded by National Institutes of Health · 2022 - 2024

Developing a comprehensive model for peripheral nerve stimulation of gastrointestinal function

ResearchPrincipal Investigator · Awarded by Terasaki Institute · 2022 - 2024

COMPUTATIONAL MODELING OF VAGUS NERVE STIMULATION

ResearchPrincipal Investigator · Awarded by Alfred E Mann Foundation · 2022 - 2023

Developing a comprehensive model for peripheral nerve stimulation of gastrointestinal function

ResearchCo Investigator · Awarded by National Institutes of Health · 2019 - 2023

Underactive Bladder: Mechanisms and Recovery of Sensation and Function

ResearchMentor · Awarded by National Institutes of Health · 2019 - 2023

Sacral Nerve Stimulation to Treat Detrusor Underactivity: Parameters & Pathways

ResearchPrincipal Investigator · Awarded by Medtronic, Inc. · 2019 - 2023

Spinal Cord Stimulation for Restoration of Bladder Function

ResearchPrincipal Investigator · Awarded by Paralyzed Veterans of America · 2020 - 2023

Scalar Closed-Loop STN/GPi DBS Based on Evoked and Spontaneous Potentials

ResearchCo Investigator · Awarded by National Institutes of Health · 2017 - 2023

Realistic Measurements of tDCS-Modulated Activity and Electric Fields in the Human Brain In Vivo

ResearchCollaborator · Awarded by National Institutes of Health · 2019 - 2022

Biomimetic somatosensory feedback through intracortical microstimulation

ResearchPrincipal Investigator · Awarded by Northwestern University · 2016 - 2022

Analysis and Design of µECoG Array Characteristics for Optimized Signal Acquisition

FellowshipCo-Mentor · Awarded by National Institutes of Health · 2020 - 2022

Pudendal neuromodlation for incontinence and sphincter dyssynergia after spinal injury

ResearchPrincipal Investigator · Awarded by Dignify Therapeutics, LLC · 2020 - 2021

Rational Design of TMS for Neuromodulation

ResearchCo Investigator · Awarded by National Institutes of Health · 2014 - 2021

Functional dissection of therapeutic deep brain stimulation circuitry

ResearchPrincipal Investigator · Awarded by University of North Carolina - Chapel Hill · 2015 - 2021

Bioelectronic rescue of cognitive impairment after surgery

ResearchCo Investigator · Awarded by National Institutes of Health · 2018 - 2021

Predicting Urinary Continence Status with Sacral Neuromodulation and Botulinum Toxin Treatments

ResearchCo-Mentor · Awarded by National Institutes of Health · 2020 - 2020

Pudendal Neuromodulation for urinary and fecal incontinance and sphincter dyssynergia

ResearchPrincipal Investigator · Awarded by Dignify Therapeutics, LLC · 2019 - 2020

IPA - Warren Grill

ResearchInvestigator · Awarded by Durham Veterans Affairs Medical Center · 2019 - 2020

Closed-Loop Neural Sensing and Stimulation System for Small Animals

ResearchPrincipal Investigator · Awarded by Micro-Leads, Inc. · 2017 - 2019

Targeted electrical stimulation of the urethra to treat urgency urinary incontinence

FellowshipPrincipal Investigator · Awarded by Urology Care Foundation · 2017 - 2019

Nerve Stimulation for Restoration of Bladder Function

ResearchPrincipal Investigator · Awarded by Dignify Therapeutics, LLC · 2018 - 2019

Basic predoctoral training in neuroscience

Inst. Training Prgm or CMETraining Faculty · Awarded by National Institutes of Health · 1992 - 2018

Functional mapping of efferent gut neuroepithelial circuits

ResearchCo Investigator · Awarded by National Institutes of Health · 2016 - 2018

Computational modeling of peripheral nerve stimulation

ResearchPrincipal Investigator · Awarded by SPR Therapeutics, LLC · 2017 - 2017

Recording Evoked Potentials for Closed-Loop DBS

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2012 - 2017

Neural Prosthetic Control of Continence and Micturition

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2005 - 2017

Training in Fundamental &Translational Neuroscience

Inst. Training Prgm or CMETraining Faculty · Awarded by National Institutes of Health · 2005 - 2016

SNr DBS for the treatment of gait and postural disturbances in Parkinsons disease

ResearchCo Investigator · Awarded by National Institutes of Health · 2014 - 2015

Stimulation mediated sensory enhancement of the urethral afferents

FellowshipPrincipal Investigator · Awarded by National Institutes of Health · 2013 - 2015

Novel High Density Interconnects for Flexible Neural Prosthesis

ResearchPrincipal Investigator · Awarded by Premitec, Inc. · 2011 - 2015

Optimal Electrode Geometries for Efficient and Selective Deep Brain Stimulation

FellowshipPrincipal Investigator · Awarded by National Institutes of Health · 2012 - 2015

Effects of Transcranial Magnetic Stimulation on Neurons in Behaving Primates

ResearchCo Investigator · Awarded by National Institutes of Health · 2012 - 2014

Evaluation of Carbon Nanotube Electrodes for Neural Stimulation

ResearchCo Investigator · Awarded by National Institutes of Health · 2011 - 2014

Characterization of Evoked Potentials During Deep Brain Stimulation

FellowshipPrincipal Investigator · Awarded by National Institutes of Health · 2010 - 2013

Realistic Human Perception of Spatio-Temporal Thalamic Microstimulation

ResearchCo Investigator · Awarded by National Institutes of Health · 2010 - 2013

Time Course of Parkinson's Symptoms in Response to Deep Brain Stimulation

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2009 - 2012

Low Impedance Electrodes for Neural Stimulation

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2007 - 2011

Biomimetic Stimulation of the Sacral DRG to Control Continence and Micturition

FellowshipPrincipal Investigator · Awarded by National Institutes of Health · 2009 - 2010

Career Development in the Mechanisms of Deep Brain Stimulation

Inst. Training Prgm or CMEPrincipal Investigator · Awarded by National Institutes of Health · 2006 - 2010

Neural Prosthetic Control of Continence and Micturition

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2005 - 2009

In Situ Polymerized Interfaces for Peripheral Nerve Recording and Stimulation

ResearchPrincipal Investigator · Awarded by National Academy of Sciences · 2007 - 2009

Non-Regular Stimulation Patterns for Deep Brain Stimulation

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2006 - 2009

Selective Electrical Stimulation of Thalamic Neurons (supplement)

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2005 - 2008

Neural Signal Acquisition System

Institutional SupportCo-Principal Investigator · Awarded by Lord Foundation of North Carolina · 2006 - 2007

Neural Prosthetic Control of Continence and Micturition

ResearchPrincipal Investigator · Awarded by National Institutes of Health · 2001 - 2006

External Relationships


  • Axonics Neuromodulation, LLC
  • Boomerang Medical
  • Boston Scientific Corporation
  • Cala Health, LLC
  • Coloplast Corp
  • Axonics Neuromodulation, LLC
  • Boomerang Medical
  • Boston Scientific Corporation
  • Cala Health, LLC
  • Coloplast Corp
  • Deep Brain Innovations
  • Diagnostic Biochips
  • GLG Consultants
  • GSK/Galvani
  • Hatteras Investment Partners, LLC
  • NDI Healthcare Fund, LLC
  • Neilsen Foundation
  • NeurotechX
  • SPR Therapeutics
  • SetPoint Medical, LLC
  • Triangle Angel Partners, LLC

This faculty member (or a member of their immediate family) has reported outside activities with the companies, institutions, or organizations listed above. This information is available to institutional leadership and, when appropriate, management plans are in place to address potential conflicts of interest.