The winner of the 2022 Outstanding Paper Award in memory of Hans Jørgen G Gundersen is Anna Pukaluk, the first author of the paper Pukaluk et al. (2022): An ultrastructural 3D reconstruction method for observing the arrangement of collagen fibrils and proteoglycans in the human aortic wall under mechanical load (Acta Biomaterialia 141, 300-314). This is an annual award, intended to recognize best papers containing original work in the field of stereology, which are judged on scientific merit, technical and general quality, expected impact, originality, and relevance to stereology.