petek-sirin-1Petek Şirin works  as an instructor at ScOLa and an examiner at Aviation English Test Centre  . She received her BA degree in English Language and Literature from Hacettepe University in 2006; Her MSc. in TESOL  from Aston University in 2014. She also holds CELTA and DELTA qualifications from Cambridge University. Prior to Özyeğin University, she worked at Doğuş University as an instructor and as a senior teacher at language courses.