ILSP/Athena RC organized a workshop titled “AR4U Workshop: The 2nd Workshop on Assistive Robots: Technological Challenges and the User Perspective”, in the context of the 12th PErvasive Technologies Related to Assistive Environments (PETRA) conference, held on the Island of Rhodes, Greece, June 5-7, 2019. Workshop link: http://www.petrae.org/workshops/AR.html