The LAMBDA Research-Industry Forum is a one-day event that brings together researchers and professionals from respectable EU Universities and companies and stakeholders from the West Balkan countries to discuss state-of-the-art in Big Data research and applications. The Forum was organized together with the Big Data Analytics Summer School so that PhD students (participants of the School) have an opportunity to learn about the newest technologies and trends in this and related fields, as well asabout use cases from the following companies: OntoText, SAS Institute, CISCO, Banca d'Italia, Meltwater, and DeepReason.ai.