Panagiotis Piliouras is a Teacher in Primary Education; he got a degree in Mathematics and a Master’s Degree in “Science Education”. He holds a PhD degree in Science Education. He has been working as a teacher for seventeen years, as a teacher advisor for twelve years in primary education and also, he has been teaching for many years in higher education. Currently is been working in the position of the Scientific Counsellor in the Institute of Educational Policy. His research interests focus on teacher’s professional development and in particular the teaching of science and mathematics in a collaborative inquiry mode, the analysis of social interaction in learning and instruction, the sociocultural perspectives in learning and development, the teacher in-service training, and the applications of educational technologies. He has participated in several national and international conferences on Science and Mathematics Education and has published a number of papers in Greek and international scientific journals and in the proceedings of national and international conferences.