Dr. Dave Riddell is a Post-Secondary Education Coordinator who supports the teaching and learning of marine and environmental science in universities, colleges, and communities through the design and delivery of courses and field programs centred around data from Ocean Networks Canada’s underwater observatories and mobile sensors. Dave has a research background in ecotoxicology, with a focus on the roles of citizen science and community-based research in addressing local environmental problems. He brings these research experiences to his teaching and program design. As an educator, Dave’s work is trauma-informed and embraces critical pedagogy, open education, and transformative praxis.