ISE is a research-oriented conference on electret materials held anywhere in the world every two years. Topics of interest include: Charge injection, transport & trapping; Thermally stimulated current & dielectric relaxation; Nanoscale measurements of electrostatic phenomena; Ferroelectric, piezoelectric & pyroelectric phenomena; Ferro- and piezoelectrets; Photoelectrets; Electrostatic & dielectric phenomena in life science: Bioelectrets; Non-linear electrical & optical effects; Applications of thin film ferroelectrics; Electrets in organic electronics; Electro-electrets: Soft actuators & sensors.