Dawah In 1999, Khalid Basalamah began delivering Friday sermons at the (UMI). He then increasingly accepted offers to be a preacher and resigned from his job as a lecturer. After that, he also started offering free hadith classes. According to Mohammad Muhtador from , Khalid Basalamah combines academic knowledge based on the works of earlier scholars, such as
Bulugh al-Maram by
Ibn Hajar al-'Asqalani or
Minhajul Muslim by
Abu Bakr al-Jazaeri, with the use of modern platforms like
YouTube and other social media. Erwin Jusuf Thaib also discusses this in his book, which explores the phenomenon of preachers utilizing social media as a medium for their da'wah in the 2010s. In addition to broadcasting da'wah content in a simple language style, Khalid also shares his da'wah activities on social media to reach a broader audience. At the 3rd Meeting of Scholars and Preachers from Southeast Asia, Europe, and Africa in 2017, Khalid received the "Honorary Scholar and Preacher" award from the Multaqo Adduat and Scholars of Southeast Asia. On March 25, 2023, Khalid was awarded the title of professor and became an adjunct lecturer at the for the 2023–2024 period.
Other activities Khalid is involved in several business activities, primarily through PT Ajwad, who operates a Middle Eastern cuisine restaurant that offers a Quran memorization program for employees and does not provide service to guests during prayer times. In addition, he also serves as the chairman of the Ats-Tsabat Foundation in
East Jakarta. He runs various creative charity programs, including scholarships, free
Umrah trips, clean water wells, and motorcycles for
Da'i (preacher). == Controversy ==