Michael Gronager, the CEO of blockchain intelligence firm Chainalysis, has reportedly stepped down from his role and is currently on leave. According to The Block, Gronager went on leave effective September 25, 2023, due to personal reasons. He had been with Chainalysis for nearly a decade. Sari Granat, Chainalysis' President and COO, has taken over as the interim CEO. The exact reasons for Gronager's leave and whether or when he will return are unknown.