Jan-Willem Polman is a sailor, entrepreneur and mechanical engineer who specialises in synthetics technology. From 2008 to 2010 he sailed around the world with his wife and two young children. After that, he gave up corporate life and devoted himself to being an entrepreneur. He is currently the head of several watersports companies that specialise in ropes. He organises workshops and courses about splicing modern ropes. He also developed the D-Splicer needles that are used widely by sailors and riggers.