Ronald Houtman is currently secretary of the Trials Committee of the Royal Boskoop Horticultural Society (RBHS). He grew up in the world-famous nursery village Boskoop, and after his training as a nurseryman he worked for the Dutch firms P. G. Zwijnenburg and Firma C. Esveld. Apart from his work for the RBHS, Houtman serves as a private consultant, breeds new plants, writes and edits catalogues for nurseries and writes descriptions for plant breeders’ rights and patent applications. Houtman is a frequent lecturer and has written numerous articles in journals such as Dendroflora. He has a special interest in Stachyurus and Viburnum.