Born in Erzurum in 1937, Hasan Çelebi served as an imam and preacher in various mosques. Starting in 1964, he studied calligraphy under the tutelage of master calligraphers Halim Özyazıcı, Hamit Aytaç, and Kemal Batanay. He received his certification (icazet) in Sülüs and Naskh scripts from Hamit Aytaç in 1975, and in Ta'lik and Riq'a scripts from Kemal Batanay in 1981.
In 1977, he was appointed to write the inscriptions for the Ankara University Faculty of Theology Mosque in Erzurum. In 1981, he worked on the inscriptions for the Organization of Islamic Cooperation in Jeddah, and in 1983, he was tasked with restoring the inscriptions of Al-Masjid an-Nabawi in Medina. In 1987, he spent a year in Medina to create the inscriptions for the Cuba Mosque. In 1992, he was invited by the Malaysian Islamic Cultural Center to Kuala Lumpur.
Since 1976, Hasan Çelebi has been teaching calligraphy, granting certification to a total of 52 students from both Turkey and abroad. His works include the restored dome inscriptions of the Sultanahmet Mosque, the dome inscriptions of the Hırka-i Şerif Mosque, and inscriptions for mosques such as Cuma Mosque, Qiblatain Mosque, and the newly built sections of Al-Masjid an-Nabawi. Other notable works include inscriptions for the Islamic Medical Center in Kuwait (1986), a mosque in the Netherlands, the Pforzheim Fatih Mosque in Germany (1991), the Friday Mosque in Johannesburg, South Africa (1997), and the Friday Mosque in Almaty, Kazakhstan (1999).
Many of his works are featured in both local and international collections. He has also served as a jury member for the International Calligraphy Competitions organized triennially by IRCICA.
In 2007, during the Traditional Arts Society’s Calligraphy Meeting, Hasan Çelebi was awarded the Silver Tulip Award for his contributions to the art of calligraphy.