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Angelika Nikole Zissimopoulos, MS 
PhD Candidate
Biomedical Engineering Department, Northwestern University 
Curriculum Vitae | (312) 238-6533 | 

Research Interests: Rehabilitation engineering, specifically the field of prosthetics and orthotics, and the functional benefits of Stance Control Orthotic Knee Joints

Brian L. Ruhe, MS
Research Assistant, PhD Candidate
Biomedical Engineering Department, Northwestern University
(312) 238-6508 |

Research Interests: The effect of ankle motion on gait, specifically how a controlled prosthetic ankle could assist a person with amputation when walking on uneven terrain.

Charles C. Wang, MS
Research Assistant
Biomedical Engineering Department, Northwestern University
Curriculum Vitae | (312) 238-6533 | charles.c.wang@northwestern.edu

Research Interests: Low-cost lower limb prostheses for developing countries, and the effect of wearing shoes with different sole curvatures on 
able-bodied subjects during walking and back-and-forth swaying. 

Eric Nickel
Master's Degree Candidate
Biomedical Engineering Department, Northwestern University
(312) 238-6533 | e-nickel@northwestern.edu

Research Interests: Prosthetic ankle design

Erin Boutwell, MS
PhD Candidate
Biomedical Engineering Department,  Northwestern University
Curriculum Vitae | (312) 238-6533 |

Research Interests: Shock absorption during gait and compliance within the prosthetic socket - residual limb interface

Lexyne McNealy Jackson, MS
PhD Candidate
Biomedical Engineering Department, Northwestern University 
Curriculum Vitae | (312) 238-6533 |  

Research Interests: Dynamic walking; postural stability of lower limb amputees; applications of nonlinear dynamical systems to the human body

Sara Koehler, MS
PhD Candidate
Biomedical Engineering Department, Northwestern University
Curriculum Vitae | (312) 238-6508 |

Research interests: Biomechanics of human ambulation and lower-limb prostheses, prosthetic shock absorption, transfemoral prosthetic alignment, simple mechanical modeling, statistics

William Brett Johnson, MS 
PhD Candidate
Biomedical Engineering Department,  Northwestern University
(312) 238-6533 |

Research Interests: The motion and associated energy consumption of Reciprocating Gait Orthosis (RGO) users.