Geert Wiegertjes is professor of the Aquaculture and Fisheries group at Wageningen University, the Netherlands. As head of the research group, his scientific interest in the interaction between fish nutrition and health has broadened to include the multiple aspects of sustainable aquaculture. In his TEDx talk of 2020 he underscored the need for a sustainable production of fish and shellfish products in a world where demands for seafood keep rising. Geert Wiegertjes has been project coordinator and/or training coordinator of three MSCA training networks (FP5, FP7) and work package leader of Imaquanim (FP6), ParaFishControl (H2020) and currently, AQUA-FAANG (H2020). He coordinated TargetFish (FP7), one of the larger research consortia on fish health and vaccination. This year (2022), he announced the Wageningen University & Research (WUR)-wide ambition for WUR to be a major player on research and education in aquaculture and launched Wageningen Aquaculture Research & Education (W-ARE).