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01Prof. Amr Ezzat SalamaSecretary-GeneralIn recent decades, the world has witnessed rapid transformations in the modes of knowledge production and dissemination. Scientific publishing is no longer confined to print journals or closed platforms with high subscription fees. Instead, open access to research findings and scientific outputs has become an increasingly pressing demand for the academic community and for all those engaged in knowledge. Open access has emerged as a response to this shift, offering unrestricted access to research, thereby enhancing transparency, expanding the use of knowledge, and accelerating the pace of innovation.Nevertheless, this model%u2014despite its many advantages%u2014raises a set of challenges that cannot be overlooked, foremost among them being the questions of funding and sustainability. Providing free access for readers necessarily requires the development of alternative funding models that ensure the continuity of publishing without compromising quality or scientific integrity. This brings to the fore the issue of publication fees borne by researchers or institutions, which may pose a heavy burden on universities in developing countries and risk creating a new knowledge divide rather than bridging the existing gap.Association of Arab UniversitiesOpen Access Publishing: Funding Models andSustainability