It is a pleasure to invite you to participate in the 15th International Topical Meeting on Nanostructured Materials and Nanotechnology (NANOTECH) to be held in Puerto Vallarta, Jalisco, Mexico from October 21st to 25th, 2019. This congress has been organized since 2004 with the idea of gathering scientists interested in topics related to nanoscience and nanotechnology. This year the main topic of the event is about the present and future of nanoscience community. The congress consists of 14 plenary sessions, 4 short courses, one workshop on molecular simulation, a series of short talks selected from the registered participants and three poster sessions. Along with this email, you will find a list of confirmed speakers.