Erenzt Joseph possesses extensive experience in the management consulting industry, particularly in supporting transportation operators and regulators. In addition, he has contributed significantly to the telecommunications and information technology sectors. With more than 30 years of professional experience, he has held key positions at several leading companies, including Union Carbide, AT&T, Lucent Technologies, Ernst & Young, and Arghajata Consulting

At Ernst & Young, Erenzt served as Project Manager and Subject Matter Expert, advising government institutions and corporations in the transportation sector. With deep knowledge of Indonesia’s regulatory framework and strong international networks, he has driven improvements and created opportunities for industry advancement.

Erenzt later served as Partner at PP. Arghajata Consulting, where he led the firm’s Transportation Industry practice. In this role, he spearheaded strategic projects in transportation and logistics, collaborating with international experts and organizations to deliver high-impact advisory services. His work encompassed performance improvement, organizational change, and large-scale transformation initiatives that strengthened both corporate and public-sector clients.

As Chairman of Globalindo Reka Praya, Erenzt leads the company in providing advanced technology solutions for the aviation, information technology, and telecommunications industries. He directs strategic initiatives and fosters global partnerships to ensure innovation delivers measurable value for clients in these dynamic sectors.

As an Advisor at Globalindo, Harjoso Tjatur Prijanto has substantial experience in the operations, management and strategic policies in civil aviation and transportation industry as a whole.

After completing his training as an ATC (Air Traffic Controller) followed with roles in aerodrome control, supervisory, assessment and auditor for both Airport and Aviation Navigation, he also trained as an ATC Server Education Radar Controller and Instructor. His last formal education is a Master of Management with a specialization in Air Transportation Management, at Sahid University.

In 1995 he joined Angkasa Pura I which manages 13 airports in Indonesia Central Region and Eastern Region. His last position as Head of the Air Traffic Services Sub-Directorate was responsible for ensuring aviation safety and security services for the Ujung Pandang Flight Information Region (FIR), which covers two-thirds of Indonesia's airspace.

He was then appointed as Director of Operations and Engineering of PT. Angkasa Pura I, and also as Commissioner of PT. Gapura Angkasa, a ground handling company which is a joint venture between PT Angkasa Pura I, PT Angkasa Pura II and PT Garuda Indonesia. He also played a role in the establishment of the Safety Management unit and participated in the preparation for the establishment of Airnav Indonesia, and than became a supervisory member of Perum LPPNPI (Airnav Indonesia).