Dr. Achilles Alexandrakis has been dealing with the whole spectrum of dentistry since 2003 until he opened his private clinic in the area of Neo Psihiko. Later on, from 2011 up to today Dr. Achilles Alexandrakis opened his private clinic in the area of Chalandri. After the summer of 2005, Dr. Achilles Alexandrakis was hired by the Public Insured Care Organization as a Dental Examiner, where he remained for 1 year. At the same time, at the end of 2005, he rejoined the Athens School of Dentistry as a Scientific Associate in the Comprehensive Treatment clinic, where he worked there until 2013. 

In 2007 Dr. Achilles Alexandrakis was chosen by the Dentist-Prosthodontist Alexandros Grus as his partner in his private clinic, where he worked until 2014. The clinic is a member of a group of partners that specialize in different specialties, such as Orthodontics, Periodontology, etc. Furthermore, the practice undertakes cases of general treatment always based on Aesthetics.