Erasmus Student Network | 62,778 followers on LinkedIn. The Erasmus Student Network (ESN) headquartered in Brussels, 500+ sections, 40+ countries! | Erasmus Student Network (ESN) is a non-for-profit international student organisation. Our mission is to represent erasmus and international students, thus provide opportunities for cultural understanding and self-development under the principle of Students Helping Students. We are 15,000 members from more than 500 local sections in over 40 countries, working on a volunteer basis in +1000 Higher Education Institutions.