This was the first of a series of workshops on "Physics Opportunities at an ElecTron-Ion Collider" (POETIC): Stellenbosch Indiana University - Bloomington (USA) Universidad Técnica Federico Santa María - Valparaiso (Chile) University of Jyväskylä - Jyväskylä (Finland) Yale University - New Haven (USA) Ecole Polytechnique - Palaiseau (France)