Alexey Grigorev is a data scientist, author, and founder of DataTalks.Club. As a Insane Data Podcast host, he brought clear thinking and practical insight to every conversation. Alexey’s teaching style is hands-on—learn by building, not by reading. That approach runs through his books, courses, and the communities he’s helped grow. Whether he’s answering career questions on Slack or breaking down machine learning deployment, Alexey focuses on what actually works—and helping others do the same.