Dr. Haythem Riahi

CEO and Co-founder

Dr. Haythem Riahi brings over 20 years of expertise in biotechnology and international Business Development. Dr. Riahi has led numerous groundbreaking projects in sustainable waste management and renewable energy. His visionary leadership and commitment to sustainability drive Circa Biotech’s mission to transform organic waste into valuable resources.

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We pay our respects to the Traditional Custodians of country. We pay our respects to the Elders past, present and emerging to whom our place is of cultural significance. We acknowledge today’s Aboriginal community on all Lutruwita, who are the custodians of this island, and we recognise their continuing connection to land, waters, and culture.