Peter van de Graaf is an innovator-engineer, creating intelligent solutions for first needs of people and society. Currently working on Choice, contraception for the 21st century, in a project with the TU Eindhoven and Utrecht & Maastricht universities: www.choice.nu. Our goal is to make every child desired. Our vision is to create a hormone & worry free contraceptive mechanical implant, which only requires action when a woman decides to have a child - Fertility Freedom!Peter's major strengths are inspired concepts and the integration of all aspects relevant to the project.A seasoned designer & inventor, with international experience in a variety of industries, he is able to translate societal needs into solutions. Guidance for design is the Pareto rule (20% of the input creates 80% of output) for optimum value. As a lecturer at Windesheim University, Industrial Product Design, Peter taught technology, environmental design & history, coached students and was involved with a new curriculum. As a lecturer/coach at the faculty of Industrial Design, Eindhoven Technical University, Peter also planned and coached projects in health care.He was also the project leader for a joint project with Naturalis, museum of Natural History in Leiden, in a biomimicry project to understand the workings of whale baleen: https://www.aquaticmammalsjournal.org/index.php?option=com_content&view=article&id=1955:a-method-to-replace-whale-gingival-tissue-for-long-term-study-or-exhibition-of-full-baleen-racks&catid=177&Itemid=157Peter has also given lectures about the historical, biological and cultural roots and reasons of design, like:1. Darwin & Design (nature & design compared)2. Engineering cultures (differences in engineering between nations)3. Magic & Design (about the connection between archetypes and aspirations in design).