- MBA in Finance at Columbia Business School in New York, where he has participated in its Private Equity Program
- Universita degli Studi di Firenze - Law
- University of Westminster - Law
- Maastricht University - Law
Lennart Crain has registered the following principal (and secondary) legal practice areas in the Netherlands Bar’s register of legal practice areas (rechtsgebiedenregister):
Based on this registration, Lennart is required to obtain ten training credits per calendar year in each registered principal legal practice area in accordance with the standards set by the Netherlands Bar.