We are finally relaunching after a quiet pandemic season! Last time, we brought data science professionals together in Messukeskus Siipi by gathering 550 participants, ranging from professionals to students to academics. This year, our focus will be in providing face-to-face networking and state-of -art presentations as a medium-sized Data Science Event. --- Helsinki Data Science Day is a meeting for experts and specialists in Data Science Statistics Machine Learning AI Business Intelligence Helsinki Data Science Day is a great opportunity for the community to learn and share knowledge, best practices, and new discoveries. The idea is to bring the experts together to discuss topics – even technical ones – on state-of-art data science and statistics, and to share ideas and experiences. The event is organized in a fun and friendly way, and both the attendees and organizers are drawn from the community. Helsinki Data Science Day 2021 is a chance for the community and your company to connect, get acquinted with the latest technology, and glimpse the latest research in the field. Our attendees consist of employees from the hottest companies, researchers from the best universities, and the top experts in the field. The schedule will be released closer to the event at heldata.fi. #heldata2021