The Maestro of Economics Passes Away: Remembering the Footprints of Michael Bambang Hartono's Business Empire
STOCKWATCH.ID (SINGAPORE) — The Indonesian business world has lost one of its finest sons. Chairman of PT Djarum, Michael Bambang Hartono, has breathed his last. This legendary figure passed away at the age of 86. He died on 19 March 2026 at 13:15 Singapore time.
Michael was born with the original name Oei Hwie Siang. This man from Kudus, born on 2 October 1939, was the eldest son of Djarum’s founder, Oei Wie Gwan. He had a younger brother named Robert Budi Hartono. His life journey became an important record in the history of the national tobacco and banking industries.
This sorrowful news has enveloped the entire extended family of PT Djarum and business actors in the country.
Michael’s success story began with a small business in Kudus, Central Java. His father bought the Djarum Gramophon kretek business in 1951. The name was later simplified to Djarum.
A major challenge came in 1963. A massive fire nearly destroyed all of the company’s assets. His father also passed away shortly after the incident. Michael and his brother inherited the company in a very unstable condition.
The two brothers succeeded in reviving Djarum into a business giant. They carried out massive modernisation of factory equipment. Djarum began expanding into export markets in 1972, penetrating the United States.
Innovation continued under their control. They launched the first machine-made cigarette named Djarum Filter in 1976. Other popular products like Djarum Super and Djarum Black were also born. Currently, Djarum’s production is estimated to reach 50 to 60 billion sticks per year. This figure accounts for 20% of the national total production and employs tens of thousands of workers.
Expansion into Banking and Property
The Djarum Group developed into a large conglomerate through its parent company PT Dwimuria Investama Andalan. Michael did not focus only on tobacco. He took strategic steps in the banking sector. He and Robert took over PT Bank Central Asia Tbk (BCA) after the 1998 monetary crisis.
The two brothers won the BCA share divestment tender in 2007. They entered through Farindo Investment Ltd. The two control 51% of the shares in Indonesia’s largest private bank. Public trust in BCA was fully restored under their leadership. BCA’s asset value was recorded to exceed Rp1.587 trillion at the end of 2025.
Michael’s business steps also extended to the property and real estate sector. He controlled the Grand Indonesia megaproyect in the heart of Jakarta. This project includes the revitalisation of Hotel Indonesia, a shopping centre, and luxury apartments. The total investment value reaches Rp1.3 trillion.
He also built the 57-storey BCA Tower. This building stands as proof of his business power. BCA is the main tenant of the building until 2035. His property business is also supported by various other subsidiaries.
Technology, Agribusiness, and Sports
The electronics sector also became a focus of the maestro’s business. Michael founded Polytron in 1975. This company has been operating for more than 30 years. They produce TVs, refrigerators, air conditioners, audio-video products, smartphones, and electric motorbikes. The Djarum business also covers telecommunications tower infrastructure, the paper industry, and manufacturing.
In the agribusiness field, Michael founded Hartono Plantations Indonesia. This company manages 65,000 hectares of oil palm plantations in West Kalimantan.
Michael was very adaptive to digital technology developments. He founded Global Digital Prima Venture (GDP Venture) for online business investments. This company invests in Blibli (Global Digital Niaga), Tiket.com, Kaskus, and Mola TV. This flexibility makes the Djarum Group resilient to rapid changes in the tobacco industry.
The tycoon also had a great interest in the world of sports and entertainment. He founded the badminton club PB Djarum. He and his group also acquired the Italian football club Como 1907.
An alumnus of the Faculty of Economics and Business at Diponegoro University (1959-1963), he was also an accomplished athlete. He was a professional athlete in the sport of Bridge. He successfully contributed a bronze medal for Indonesia at the 2018 Asian Games. Playing Bridge helped him train his brain. This game sharpened his ability to make strategic decisions and manage risks.
Michael’s personal wealth is estimated to reach USD 25 billion in 2024. He and his brother consistently rank among the richest families in Indonesia and Asia. The hallmark of his business is aggressive diversification and long-term investments in strategic sectors. He also maintained a family-controlled business system.
Now the architect of transformation is gone. His business legacy has become the backbone of Indonesia’s economy. Farewell, Michael Bambang Hartono.