Principal Investigator Senior Administrative Assistant Lab Manager

Troy Littleton, M.D., Ph.D.

Research Interests: 

Neurotransmitter Release, Retrograde Signaling, Synaptic Plasticity

Charles Moss



Dina Volfson

Research Interests: 

Biosensor development and neurotransmitter release


Postdoctoral Fellows


Shirley Weiss, Ph.D.

Research Interests: 

Regulation of Glial Calcium Signaling



Suresh Kumar Jetti, Ph.D.

Research Interests: 

Molecular mechanisms of physiological diversity in synaptic release properties and plasticity. Synapse biology of autism-associated SHANK



Zhuo Guan, Ph.D.

Research Interests: 

Synaptotagmin Regulation of Neurotransmitter Release




Yulia Akbergenova, Ph.D.

Research Interests: 

Imaging of Single Active Zone Release Mechanisms, Huntington’s Disease


Kiel G Ormerod, Ph.D.

Research Interests: 

Dense core vesicle trafficking; and investigating the role of neuromodulatory substances on neural circuitry and excitation-contraction coupling.





Graduate Students


Nicole Aponte Santiago

Research Interests: 

Mechanisms Underlying Synaptic Competition



Monica C. Quiñones Frías

Research Interests:

Vesicular Trafficking Pathways at the Synapse



Karen Leopold Cunningham

Research Interests:

Regulation and function of active zones



Chad William Sauvola

Research Interests:

Characterization of Drosophila active zone mutants

Elizabeth Brija

Research Interests:

Regulation of synaptic activity and ion channels

Andrés Crane

Research Interests:

Aging and molecular mechanisms of disease