1989
• SOLO SHOW Nja Mahdaoui, within the Journées Culturelles Tunisiennes, travelling exhibition produced by the Tunisian Ministry of Culture and the National Office of the Tunisian Tourism, Le Méridien Hotel, Abu Dhabi and Damascus
• GROUP SHOW Nja Mahdaoui, within the Journées Culturelles Tunisiennes, touring exhibitions and events produced by the Tunisian Ministry of Culture and the National Office of the Tunisian Tourism, Prague and Sharjah
2006
• BIENNIAL Nja Mahdaoui, Second Biennale of Calligraphy in the Arab World, Sharjah.
GUEST OF HONOUR AND JURY MEMBER
• GROUP SHOW Word into Art: Artists of the Modern Middle East, travelling exhibition (2006-2008), curated by Venetia Porter, The British Museum, London and DIFC, Dubai
• GROUP SHOW Flashback/Forward. A Visual Timeline of Cultural Practices in the Middle East, Third Line Gallery and Dubai Culture Village, Dubai
2007
• SOLO SHOW Nja Mahdaoui, Meem Gallery, Dubai
• GROUP SHOW Sign, Writing & Calligraphy, curated by Amal Traboulsi for Art Paris-Abu Dhabi, Abu Dhabi
• LECTURE Invited to introduce his work to students of the School of Architecture and Design at the American University of Sharjah
2008
• SOLO SHOW Nja Mahdaoui, within the first Abu Dhabi Music and Arts Festival, produced by ADMAF (Abu Dhabi Music and Arts Foundation), Emirates Palace, Abu Dhabi
• SOLO SHOW Nja Mahdaoui, within the Francophone Week, produced by ADMAF, Emirates Centre for Strategic Studies and Research and Ghaf Gallery, Abu Dhabi
• SOLO SHOW Letters & Spectrums of Nja Mahdaoui, within Silkoad, eleventh Islamic Arts Festival, Sharjah Art Museum.
JURY MEMBER FOR THE FESTIVAL
• GROUP SHOW Through Arabian Eyes, celebrating the 37th anniversary of the UAE, DIFC (Dubai International Financial Centre), Dubai
• GROUP SHOW Naseem: Ali Omar Ermes and Nja Mahdaoui, Meem Gallery, Dubai
• GROUP SHOW Iqaa al kalam, Hunar Gallery, Dubai
2009
• GROUP SHOW Treasures of the World's Cultures - British Museum, travelling exhibition (2009-2012): Canal de Isabel II, Madrid; Royal British Columbia Museum, Victoria, Canada; Kunst & Ausstellungshalle der Bundesrepublik Deutschland, Bonn; and Manarat Al Saadiyat Gallery, Abu Dhabi
2010
• BIENNIAL Nja Mahdaoui, fourth Sharjah Biennial for the Art of Arabic Calligraphy, Sharjah.
Awarded Medal of Honour by HH Sheikh Sultan Bin Muhammad Al Qasimi
2011
• GROUP SHOW Crossing the Line, co-curated by Irene Barberis and Tashkeel, Tashkeel Gallery, Dubai
• LECTURE Gives the lecture Errance de la lettre peinte entre le Signifiant et le Signifié at the conference Crossing the Line: Drawing in the Middle East – Intersections of transdisciplinary practice and understanding, coproduced by the American University in Dubai, RMIT University Melbourne and Tashkeel, held at the American University of Dubai.
2012
• PERFORMANCE Live creation of an artwork to benefit the Noor Dubai Foundation in collaboration with four young Emirati artists, hosted and organized by Christie’s Dubai at Emirates Towers in Dubai under the patronage of the UAE Minister of Culture, HE Abdul Rahman Al Owais.
2013
• PERFORMANCE Invited by the London-based artist Soraya Syed to co-create Noon, a live artwork in collaboration with the UAE calligrapher Wissam Shawkat, for the launch of Nuqta mobile web app during Art Dubai.
2015
• GROUP SHOW 8th Dubai International Arabic Calligraphy Exhibition, produced by Dubai Culture, Wafi Mall, Dubai
2016
• SOLO SHOW Trance, Elmarsa Gallery, Dubai
• BIENNIAL Nja Mahdaoui, JURY MEMBER AND GUEST OF HONOUR at the sixth Sharjah Calligraphy Biennial
• PERFORMANCE Gateway: (Re) Birth exhibition, curated by Fabrice Bousteau, Manarat Al Saadiyat, Abu Dhabi Art
2018
• BIENNIAL 8th Sharjah Calligraphy Biennial, Sharjah, UAE
2022
• SOLO SHOW Jafr - The Alchemy of Signs, Elmarsa Gallery, Dubai
2023
• PERFORMANCE The Rhythm of Calligraphy and Oud, live performance with Naseer Shamma, produced by the Abu Dhabi Arabic Language Centre, Louvre Abu Dhabi
2024
• GROUP SHOW Roots and Modernity: Contemporary Mediterranean Arab Art, Sharjah Art Museum
• GROUP SHOW Arab Presences, Sponsored by The Farjam Foundation, Abu Dhabi Art Fair
2025
• GROUP SHOW Common Grounds, highlights from the Dubai Collection, presented at Art Dubai