The office of SSN is located at the Erasmus University Sports Center in Rotterdam. After entering the sports center, our office is immediately on the left. Since we are not always present at our office, it is best to indicate in advance when you want to visit us. If you have general questions and/or comments, please contact us via email@example.com. As a result of the corona measures, we mainly work from home and we only come to the office for special occasions. However, we can be reached by phone from Monday to Thursday from 10:00 to 16:00. We can be reached on the following telephone number: +31(0)104082380.