The benefits of using a portfolio-oriented approach in ESP contexts Anastasia Sakellaropoulou, Med in TEFL nancy@rhodes.aegean.gr English for Specific Purposes (ESP) has been known as both a learner- and a learningcentered approach to teaching English as a foreign language. As such, it has always been trying to meet the needs of mostly adult learners who need to learn the language for use in their specific fields of interest. Throughout ESP history, teaching practitioners have been seeking ways to develop curricula and assessment which balance the demands of the target situations where their students will be using English on the one hand, and the necessity for developing such processes and practices which will enable students to respond to these situations on the other. It could be claimed that, in adopting a portfolio-oriented approach in such contexts, ESP practitioners have found a valuable tool in advancing these efforts. Portfolios have generated a lot of interest lately, with practitioners taking the lead in exploring ways to use them. They can enhance the whole leaning process by supporting instructional goals, reflecting change over a period of time, encouraging student-teacher interaction and reflection and providing for continuity in language learning. Practitioners can use them for a variety of purposes, including the encouragement of self-directed learning, the promotion of learner autonomy, the increase in visibility of language learning, the demonstration of progress toward identified outcomes, the creation of an intersection for instruction and assessment, to mention but a few. Thus, this paper aims at discussing how the use of a portfolio-oriented approach in ESP contexts can enhance and develop language learning. An attempt will be made to show how this alternative approach can be a helpful means for learner linguistic development, and how it can open significant avenues for enhancing learning outcomes in such contexts. It could be claimed that this might be the process of a sentient being’s ongoing, adopting involvement with the world, a lifelong learning process. Key words: ESP, portfolio-oriented approach, self-directed learning, learner autonomy, visibility of language learning