Table 1. Hierarchy of academic ranks.... | American Society of Hematology

Table 1.

Hierarchy of academic ranks.

Rank	Usual Duration of Appointment
Transitional Position (following completion of 3-year fellowship) ▪ Instructor ▪ Lecturer ▪ Clinical Associate ▪ Etc.	1 – 5 years
Assistant Professor	5 – 8 years
Associate Professor	5 – 10 years
Professor	Until resignation or retirement

Rank	Usual Duration of Appointment
Transitional Position (following completion of 3-year fellowship) ▪ Instructor ▪ Lecturer ▪ Clinical Associate ▪ Etc.	1 – 5 years
Assistant Professor	5 – 8 years
Associate Professor	5 – 10 years
Professor	Until resignation or retirement