Deniz Ergün was born in Germany in 1978. She completed her primary, middle, and high school education in İzmir Private Fatih College (1984-1995). She graduated from Near East University Psychology Department in 2001. She graduated from Near East University Psychological Counselling and Guidance Master Program in 2004. She graduated from Near East University Clinical Psychology Master Program in 2006. She graduted from Social Sciences Department of İstanbul University Forensic Medicine Institute in 2011. “Child Abuse and Relation with Depression”, “Comparing Psychological Responses of Internally Displaced and Non-displaced Turkish Cypriots” and “The Prevalence and Risk Factors of Bullying Among Middle School, 6th, 7th and 8th Grade Students in Turkish Republic of Northern Cyprus”are topics of her thesis.
She is working as a lecturer in Near East University Psychology Department. She was a member of the commission dealing with drug addiction problems at the ‘TRNC Higher Education, Planning, Inspection, Accreditation and Coordination Council’ and also she was vice-president of Turkish Cypriot Psychology Association . She is a member of the board of directors of Turkish Cypriot Mental Health Organization. In addition, she is a positive pychotherapist and family therapist and psychodrama co-therapist.