Dias has titles such as playwright, actor, set designer, choreographer, teacher of art and has a master's degree in theatre and drama.

His talents were polished under the direction of Sri Lanka's renowned artists such as Bandula Vithanage, K. B. Herath, Jayalath Manoratne, Rajitha Dissanayake, Thumindu Dodantenna and Chamika Hathlawaththa.

[6] He won the best Set Designer Award at the state drama festival for Daasa Mallige Bangalawa co-directed by Ruwan Malith Peris, and Kalana Gunasekara.

He is also the set designer of his own productions such as: Gahanu Vada Arabathi aka Lysistrata, Sadaya Marai Salli Hamarai, Mama Nevei Vena Kenek, Julius Ceaser, as well as Jayalath Manoratne's Lokaya Thani Yayak, and Rajitha Dissanayake's plays Siriwardena Pawula, Sihina Horu Aran, Bakamuna Veedi Basi.

[41] He played minor roles in Vijitha Gunaratne's Wala Patala and two other films Bora Diya Pokuna and Nahi Werena Werani.