A. Iskandar G Intan, often known as Mr. Arnold, completed his formal education majoring in architecture in 2003 at Petra Christian University, Surabaya. Experiences from various freelance projects handled prior to graduation made him realize the essential competencies an architect must master, particularly those related to construction management, which he pursued between 2004 and 2006 at the same university.

In 2005, Mr. Arnold officially founded AIGI Architect + Associates with a vision emphasizing values relevant to project owners and building users. Beginning with residential projects, the firm expanded its portfolio to encompass commercial, institutional, hospitality projects, and master plans across several Indonesian cities.

As a professional, he actively engaged in the Indonesian Architects Association (IAI) in 2009 and has maintained professional certification since 2014. Moreover, in 2016, he commenced teaching at various universities and played a pioneering role in the Architectural Profession Program (PPAR) in 2018 at Petra Christian University, Surabaya. Simultaneously, this marked AIGI Architect + Associates as an official internship firm for architects seeking professional certification in Indonesia.