About Tamirat Abegaz

Tamirat Abegaz has a PhD in Human-Centered Computing. He has several years of industry experience. His research involves design, develop, and evaluate applications that promote natural user interaction. As a researcher, he has explored and developed non traditional and emergent methods of user interactions which include the use of multi-modal interfaces, emotional design elements, and modelling of various culturally fitted personas using psychological and human factors principles. His most recent work revolves around emotional designs to improve web search experience for older adults. His research interests include but not limited to: user experience (UX) design, development, and evaluation, genetic engineering, and biometric systems. He is a Microsoft Certified Professional (MCP), Microsoft Certified Technology Specialist (MCTS), and a Six Sigma Green Belt Certificated Professional. He is a member of human experience research lab (HXRL), HFES , ACM , and Lab Daze. As a UX researcher, he strongly believes that we are humans interacting with other humans through technology, not the other way around.

  • Design with Emotion

    To evaluate the impact of emotional design elements on search performance and user satisfaction.

  • Usability: ES&S Express Voting Machine

    To evaluate the usability of the ExpressVote EVS5200 voting machine.

  • Multi-modal voter-line management system

    To resolve the issue of long voting lines and waiting times.

  • Avatar Shopping

    To design, develop and evaluate multi-modal interfaces for consumer application for older adults

  • In-vehicle infotainment system

    To evaluate the impact of dimensionality (2D vs. 2.5D) on driver distruction

  • Continental Early Warning System (CEWS)

    To develop early warning system to reduce/ avoid conflicts for African countries.


Portfolio Details

Design with Emotion



Avatar Shopping

In-Vehicular Infotainment



Skills & Tools


  • Wireframes
  • Storyboard
  • Card-sorting
  • Mindmaps
  • Personas
  • Prototypes


  • Visual Studios * Eclipse *
  • Creative Suites * HTM5 *
  • JS Frameworks: Angualr JS, Bootstrap
  • VXML * XML * CSS3 * C# * ASP.NET *
  • ASP.NET * PHP * Java
  • MySQL * SQL Server Database


  • Remote User Testing
  • Cognitive Walkthrough
  • Contextual Inquiry
  • Heuristic Evaluation
  • Ethnography study * Focus
  • Groups * Usability Testing

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