A very significant Armenian architect. He studied architecture in the Ecole des Beaux Arts in Constantinople. He then settled down in Thessaloniki, where he was engaged in various projects for wealthy members of the various Communities of the city.
He was particularly active in the first half of the 20th century.
Among his chef-d-oeuvres are:
-A10 (ca 1925, 10 Aminda str. ),
-Aaron Mois Building I (ca 1931, 9 Aristotelous str.),
-Aaron Mois Building II (ca 1938, Yeoryiou Stavrou str.),
-Afias Building (ca 1935, Amvrossiou Mediolanon & Antigonidon str.),
-Ahilion Building (ca 1923, 19 Vassileos Irakliou & Venizelou str.)
-Allatini Mansion in the French Quarter (originally built by Vitaliano Poselli (ca 1874) and reconstructed by Roubens in 1926),
-Antigonidon 10 (ca 1922, Antigonidon 10 str.),
-Doiranis 27
-Egnatia 34 (ca 1925, 34 Egnatia str.),
-Egnatia 72 (ca 1931, 72 Egnatia str.),
-Filipou 39 (ca 1929, Filipou 39 str.),
-Siskos Building (ca 1928, 41 Filipou str.),
-Filipou 33 (ca 192.., 33 Filipou str.),
-Filipou 17 (ca 1923, 17 Filipou str.),
-Filipou 11 (ca 1930, 11 Filipou str.),
-Filipou & Siatistis (ca 1934, 12 Siatistis & Filipou str.),
-Hotel Grande Bretagne (ca. 1925, Egnatia str., currently housing University faculties),
-Hotel ilisia (ca.1924, Egnatia str.),
-Hotel Kastoria (ca. 1925, Egnatia str.),
-Casa Pinchon (ca 1922, 3 Klissouras str.),
-Kassandrou 44 (ca 1930, Kassandrou 44 str.),
-Klissouras 7 (ca 1922, 7 Klissouras str.),
-Makedoniko Megaro (ca 1927, 11 Dimitriou - Karaoli & Gladstone str.),
-Mallah & Sevi Building (ca 1928, Leondos Sofou & Valaoritou str.),
-Matarasso & Alcheh Building (ca 1926, 14 Katouni str.)
-Mela 25 (ca 1929, 25 Pavlou Mela & Grigoriou Palama str.),
-Meimaris Mansion (ca 1930, 26th Oktovriou str.),
-Mitropoleos 59 (ca 1930, 59 Mitropoleos str.),
-Papaioanou Mansion (ca 1931, 1 Terpsitheas Square),
-Paster & Ayiou Dimitriou
-Saadi Alevi str. 20 & 22
-Shalom Mansion (ca. 1...., Miaouli & Vasilissis Olgas str.)
-Solonos 110
-Svolou 44 (ca 1935, 44 Svolou & Ipodromiou str.)
-Victoria Building (ca 1933, Tsimiski & Komninon str.)
-Bit Pazar (ca 1928, in collaboration with D. Filizis, Venizelou & Tositsa & Olimbou str.)
