Dr. Alrefaei is an expert in the following fields

 Ecology, Applied Ecology, Molecular Ecology, Protected Area, Biodiversity &Wild Conservation.
 Genetic classification, variation, and evolution of organisms.
 Genomics and parasitology in birds.
 Falcon genomics.

Membership & Committees:

1- Member of Academic Evaluation and Accreditation, Department of Zoology (2018 to 2020).

2- Member of Relations and Social Partnership, Committee Department of Zoology (2018 to 2020).

3- Head of Graduates Committee Coodinator, Department of Zoology (2018 to 2023).

4- Member of Students Affairs Committee, Department of Zoology (2018 to 2022).

5- Head of Relations and Social Partnership Committee  Department of Zoology (2020 to 2022).

6- Member of Department’s Steering Committee, Department of Zoology (2020 to now).

7- Member of Service Courses Committee            Department of Zoology (2020 to now).

8- Head of Committee of students performance assessment in research project, Department of Zoology (2018 to now).

9- Head of Permanent committee of Protection of Chemical and Biological Pollution, King Saud University (2023 to 2025).

10- Head of Field Studies Committee, Department of Zoology (2019 to now).

11- Head of Graduation Projects Committee, Department of Zoology (2019 to now).

12- Coordinator of Service courses Committee (103 Zoo) (2021 to now).

13- Secretary of the Zoology Department Council (2017 to 2021).

14- Head of Technical Committee for the technical and financial study of proposals for chemical and biological waste disposal, King Saud University (2023 to 2024).

15- Member of Standing Committee for Risk and Crisis Management King Saud University (2023 to now).

16- Member of Standing Committee for Occupational Safety and Health, King Saud University (2023 to now).

17- Head of Student Affairs Committee, Department of Zoology (2023 to now).

18- Committee of study plans and learning resources Department of Zoology (2022 to 2023).

19- Member of Development Committee, Department of Zoology (2024 to 2025).

20- Member of Comprehensive Exam Committee Department of Zoology (2022 to now).

21- Member of Committee for the Development of Infrastructure and Laboratories Department of Zoology (2024 to 2025).

22- Member of the Founding Committee for the Bachelor of Environmental Sciences Program College of Science (2022 to now).

23- Member of the Founding Committee for the Master's Program in Wildlife Management Department of Zoology (2023 to now).

24- Member of Board of Directors Research Center, College of Science (2019 to 2024).

25- Scientific Committee Member – Environmental Guidelines Review and Approval at National Center for Environmental Compliance (2025 to now).