The Pyroliq II conference, scheduled for May 7-12, 2023 in Schloss Hernstein, Austria, will be a forum for discussing the recent advances in pyrolysis and liquefaction technologies for biomass, organic residues, and wastes. It will bring together scientists, researchers, students, and industry professionals to exchange ideas on fundamentals, process development, and integration, feedstock and product characterization, and the development of added-value products and market studies. Special attention will be given to waste from fossil origin such as plastics. The conference also offers a platform for discussions on commercially successful processes. Attendees will benefit from the friendly face-to-face discussions with peers that could catalyze the growth of the industry.