Golden Finance reported that Michael Gronager, co-founder and CEO of blockchain analysis company Chainalysis, has left his leadership position after ten years in office. A spokesperson for Chainalysis confirmed that Gronager has been on "leave" since September 25 due to "personal issues." It is not clear whether or when Gronager plans to return. The spokesperson said that Chainalysis President and COO Sari Granat will serve as interim CEO.