Under Hartono's leadership, the Djarum Group has seen tremendous growth and diversification. The group's flagship company, PT Bank Central Asia Tbk (BCA), is one of the largest private banks in Indonesia and Southeast Asia. The group also has significant investments in PT Telekomunikasi Indonesia Tbk (Telkom), Indonesia's largest telecommunications company, as well as in various plantation, property, and manufacturing businesses.
Hartono is known for his entrepreneurial spirit and business acumen, which have contributed to the success of the Djarum Group. He has received numerous awards and recognitions for his achievements, including being named "Indonesia's Richest Man" by Forbes Asia on multiple occasions.
Hartono's wealth has allowed him to engage in various philanthropic endeavors. Through the Djarum Foundation, he supports education, healthcare, and social welfare programs in Indonesia. He has also made substantial contributions to the development of sports, arts, and culture in the country.
It's worth noting that the ranking of the richest individuals can change over time due to fluctuations in market conditions, business performance, and other factors.