Joni Aries Bangun memiliki latar belakang pendidikan hukum, manajemen keuangan serta teologi. Beliau sering diundang sebagai pembicara di berbagai forum dan pelayanan di Indonesia dan Internasional seperti di USA, Eropa, Australia dan Asia. Disamping pekerjaannya sebagai seorang corporate lawyer, beliau juga aktif dalam bidang humanitarian assistance untuk memberikan bantuan bagi para korban bencana alam di seluruh Indonesia. Hampir seluruh Provinsi di Indonesia telah dijalaninya untuk melaksanakan pelayanan ini dan banyak korban bencana yang telah mendapat sentuhan tangannya. Beliau juga dipercayakan untuk mengajar di beberapa sekolah alkitab dan di Harvest International Theological School.

Joni Aries Bangun has an educational background in law, financial management and theology. He is often invited as a speaker in various forums and ministries in Indonesia and internationally such as in the USA, Europe, Australia and Asia. In addition to his work as a corporate lawyer, he is also active in the field of humanitarian assistance to provide assistance to victims of natural disasters throughout Indonesia. Almost all provinces in Indonesia have been traveled to carry out this service and many disaster victims have received the touch of his hand. He is also entrusted to teach in several bible schools and at Harvest International Theological School.