• Associate Editor of the Journal of Frontiers in Applied Mathematics and Statistics, 2018 - present.
• Editorial Board member of the International Journal of Mathematics and Computer Science , January 7, 2008 - present.
• Editor of the American Research Journal of Mathematics, 2015-present.
• International Editorial Member of the Chinese Association for Artificial Intelligence (CAAI) Transactions on Intelligent Systems 2008- present.
• Editor-in-Chief of the Journal of Health and Medical Informatics, 2015 - 2016.
• Editorial Board member of the International Journal of Computational Mathematics, October 2013 - 2016.
• Editorial Board member of the Journal of Health and Medical Informatics, 2012 - 2016.
• Editorial Board member of the The Open Proteomics Journal, ISSN: 1875-0397 , March 1, 2008 - 2014.
• Editorial Board member of the The Current Development in Theory and Applications of Wavelets , November, 2008 - 2011.
• Associate Editor of the Journal of Applied Functional Analysis, 2004-2015.
• Guest Editor, Journal of Computational and Applied Mathematics , A special issue on " Approximation Theory and Numerical Analysis " (Edited with Tianxiao He ).
• Guest Editor, Journal of Computational Analysis and Applications , A special issue on "Wavelets and Approximation Theory " (Edited with Mike Prophet ).
• Guest Editor, Journal of Concrete and Applicable Mathematics , A special issue on "Wavelets and Statistical Applications" (Edited with Yu Shyr ).
• Guest Editor, International Journal of Mathematics and Computer Science , A special issue on "Computational Biology and Data Mining" (Editing with Ji-Ping Wang ).

Reviewer

• Mathematical Reviews of the American Mathematical Society .

Referee Work

• Advances in Computational Mathematics
• Applicable Analysis, an international Journal
• Applied and Computational Harmonic Analysis
• Applied Mathematics and Computation
• Applied Mathematics Letters
• Applied Numerical Mathematics
• Approximation Theory and its Applications
• Arab Gulf Journal of Scientific Research
• Bioinformatics
• Cancer Informatics
• Computer Aided Design
• Computers & Mathematics with Applications
• Constructive Approximation
• Current Development in Theory and Applications of Wavelets
• EURASIP Journal on Advances in Signal Processing
• IEEE Transactions on Systems, Man, and Cybernetics: Part B
• International Journal of Mathematics and Mathematical Sciences
• Journal of Approximation Theory
• Journal of Concrete and Applicable Mathematics
• Journal of Computational Analysis with Applications.
• Journal of Computational and Applied Mathematics
• Journal of Computational Mathematics
• Journal of Mathematical Analysis and Applications
• Kuwait Journal of Science & Engineering
• Linear Algebra and its Applications
• Mathematics of Computation
• Mathematical and Computer Modelling
• Mathematical Methods in the Applied Sciences
• Methodology and Computing in Applied Probability
• Nonlinear Analysis Series B: Real World Applications
• SIAM Journal of Mathematical Analysis
• SIAM Journal of Numerical Analysis
• Statistics in Medicine
• Transactions of American Math Society
• The ANZIAM Journal (formerly,The Journal of the Australian Mathematical Society Series B - Applied Mathematics)

Funding Proposal Review / Panel

• National Science Foundation
• National Institutes of Health
• Kentucky Science & Engineering Foundation
• Florida Department of Health, grant proposals for both the James & Esther King Biomedical Research Program and the Bankhead-Coley Cancer Research Program