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


Research Scientists

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


Postdoctoral Fellows

Suresh Kumar Jetti, Ph.D.

Research Interests: 

Characterizing Active zone dynamics at NMJ and central synapses; Synaptic physiology of aging

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

Ellen J. Hill

Research Interests:

Development and maturation of active zones



Karen Leopold Cunningham

Research Interests:

Regulation and function of active zones



Chad William Sauvola

Research Interests:

Mechanisms of synaptic vesicle biogenesis

Elizabeth Brija

Research Interests:

Regulation of synaptic activity and ion channels

Andrés Crane

Research Interests:

Molecular mechanisms of quantal size at single active zones