I'll share my experiences.
Duetto:
Phone Screen
Panel Interview
Presentation of your favorite software
Interview with the VP
Consumer Clothing Search and Marketing Tool Saas:
Phone Screen
Interview with Director
Interview with CS Team (Final Round)
GRC Tool
Phone Screen
Interview with CSM
Interview with Senior CSM
Interview with Director of CS (Final Round)
RingCentral:
Phone Screen
Panel interview with your segment leaders
Panel interview with all CS leaders
Stand and Deliver Presentation