Dr. Kajjoba Derrick

Research grounded in everyday life.

Dr. Kajjoba Derrick is COO and co-founder of Codesphere Innovations (U) Limited. He brings a research background in energy and the built environment to a company role focused on operations, research and quality. His academic publications use the name Derrick Kajjoba.

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01 / BACKGROUND

Doctoral research at Makerere

Makerere University’s College of Engineering, Design, Art and Technology documented his successful doctoral defence on 24 July 2025. His research examined indoor comfort, air quality and energy consumption in naturally ventilated residential buildings in Kampala. It explored how building design and residents’ circumstances influence conditions inside homes, with implications for housing in tropical cities.

02 / BACKGROUND

Supporting research journeys

CEDAT’s January–March 2026 newsletter reports his completion of the PhD programme and service as PhD Students’ Coordinator, supporting postgraduate researchers. This experience adds a documented research coordination perspective to his professional background.

SELECTED WORK & CONTRIBUTIONS

From ideas to evidence.

2022 · CONFERENCE PAPER

Energy services in informal settlements

The University of Bristol research repository lists Derrick as a co-author of a conference paper examining energy services in communities in Kampala and Freetown.

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2025 · REVIEW

Thermal comfort and energy efficiency

Co-author of a review in Sustainable Energy Research examining thermal comfort and its potential for energy efficiency in low-income tropical buildings.

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2026 · RESEARCH

Building materials, orientation and performance

A paper published on 23 October 2026 examines the influence of the building envelope and orientation on thermal comfort and energy performance in tropical residential buildings. Its contribution statement credits Derrick with conceptualisation, investigation, methodology and manuscript preparation and review.