He was born in 1957 in Kadıköy, Istanbul. After completing his primary education at Ankara Kavaklıdere Primary School, his secondary education at TED Ankara College, and his high school education at Istanbul Fenerbahçe High School, he won Marmara University Faculty of Medicine Department of Dentistry in 1978.

He worked as a Dentist in Private Maltepe Dispensary between 1984-1985, in Beykoz Polyclinic between 1986-1987, in Maltepe Public Polyclinic between 1987-1998, in İstanbul Erenköy Orthodontic Center between 1998-1999.

After working as a private Dental Examination operator in Istanbul Bahariye Şaşkınbakkal district for 16 years between 1999-2015, he worked as a Dentist for 2 years at the Oral and Dental Health Center in the old İzmir Karabağlar district between 2017-2019.

Hasan Volkan Karaağaçlı, who started accepting patients as a dentist at Kumluca Private Medikum Hospital in 2019, is still continuing his duty. Karaağaçlı is also a member of the Aesthetic Dentistry Academy Association.