Society struggles with variety of grand challenges such as climate change, increasing waste, unequal access to public services, etc. Can digital platforms help with some of such grand challenges and wicked problems? This presentation covers the basics of "Grand Challenges" as a research topic and provides an overview to a paper published in Journal of Product Innovation Management in 2023 with the title: Grand challenges and platform ecosystems: Scaling solutions for wicked ecological and societal problems Open access link to the paper: https://onlinelibrary.wiley.com/doi/full/10.1111/jpim.12682