- Professor of Physics & Consultant Space Scientist
- Fellow and Hon. Secretary, Kenya National Academy of Sciences
- Member: International Astronomical Union (IAU); Physics Society of Kenya; East African Astronomical Society.
- Member, International Network of Governmental Science Advice (INGSA)
- Formerly,
- Member: United Nations Committee on Peaceful Uses of Outer Space (UNCOPUOS) Expert Group C: Long Term Sustainability of Outer Space Activities. Contributes to the development of space policies in the domain of space weather and sustainability of outer space activities at technical and scientific committees; African Union Working Group on Space Policy & Space Strategy; Working Group on Policy of the Network of African Science Academies ( NASAC).
- Chairman: Ministry of Higher Education, Science and Technology, State Department of University Education, Ministry of Education - Science, Technology and Innovation Sector Working Group on Medium Term Plan (2018- 2022).
- Member: National Commission for Science Technology and Innovation (NACOSTI), Committee on Strategy for Establishment of the National Physical Sciences Research Laboratory (NPSRL), member (2014-2015).
- Chairman: Inter-ministerial Technical Committee ( Kenya) on the Square Kilometre Array (SKA).
- Director: School of Physical Sciences and Technology, Technical University of - (2013- 2019).
- Associate Dean: School of Pure and Applied Sciences, Kenya
- Polytechnic University College, Kenya (2011- 2013).
