Dimitrios Giannakopoulos is a Greek businessman, pharmaceutical executive and sports club owner. He is best known as the owner of Panathinaikos B.C. and the Chairman and CEO of Greek pharmaceutical company VIANEX.
Born in Athens in 1974, Giannakopoulos comes from one of Greece’s best-known pharmaceutical and sporting families. He followed his father, Pavlos Giannakopoulos, into both the family business and the leadership of Panathinaikos basketball.
Quick Facts About Dimitrios Giannakopoulos
| Fact | Details |
|---|---|
| Full Name | Dimitrios Pavlos Giannakopoulos |
| Also Known As | Dimitris Giannakopoulos |
| Date of Birth | June 22, 1974 |
| Age | 52 years old |
| Birthplace | Athens, Greece |
| Nationality | Greek |
| Profession | Businessman and pharmaceutical executive |
| Known For | Owner of Panathinaikos B.C. |
| Business Position | Chairman and CEO of VIANEX |
| Father | Pavlos Giannakopoulos |
| Wife | Ioanna Marosoulis |
| Children | Two |
| Education | Management studies in the United Kingdom |
| Estimated Net Worth | Not reliably disclosed publicly |
Dimitrios Giannakopoulos Early Life and Family
Dimitrios Giannakopoulos was born on June 22, 1974, in Athens, Greece. He is the only son of the late Greek businessman Pavlos Giannakopoulos.
His family has a long history in the pharmaceutical industry. The family’s involvement in pharmaceuticals can be traced back to 1924, when Dimitrios’ grandfather operated a pharmacy in Athens.
His father later played a central role in building VIANEX into a major Greek pharmaceutical company. Pavlos was also closely associated with Panathinaikos and helped transform its basketball team into a major force in European basketball.
Growing up around these businesses exposed Dimitrios to both pharmaceuticals and professional sport from an early age.
Dimitrios Giannakopoulos Education
Giannakopoulos attended Campion School in Athens. He later travelled to the United Kingdom, where he studied management.
His education provided a foundation for his later responsibilities within his family’s pharmaceutical businesses. However, much of his professional experience also came from working directly within the Giannakopoulos family companies.
Dimitrios Giannakopoulos and VIANEX
The Dimitrios Giannakopoulos biography is closely connected with VIANEX, one of Greece’s prominent pharmaceutical companies.
Giannakopoulos became increasingly involved in the management of the VIANEX Group during the 2000s. By 2012, he had taken on a major management role as the family’s business entered a new generation of leadership.
In 2019, he became Chairman of the Board and Chief Executive Officer of VIANEX. He continues to hold these leadership positions in 2026.
Under his leadership, the company has continued pursuing pharmaceutical production, partnerships and expansion into international markets. VIANEX manufactures and distributes pharmaceutical products while cooperating with major companies in the global healthcare industry.
Giannakopoulos has therefore continued the pharmaceutical legacy established by earlier generations of his family.
Dimitrios Giannakopoulos and Panathinaikos B.C.
Outside pharmaceuticals, Dimitrios Giannakopoulos is widely recognised for his involvement with Panathinaikos Basketball Club.
His father, Pavlos, and uncle, Thanasis Giannakopoulos, were instrumental in building Panathinaikos into one of European basketball’s most successful clubs.
Dimitrios eventually assumed greater responsibility for the basketball operation. He became one of the club’s central decision-makers and later its controlling owner.
His period of leadership has included domestic championships, major player signings and continued participation in the EuroLeague. Panathinaikos returned to the top of European basketball by winning the 2024 EuroLeague championship.
Giannakopoulos remains closely involved with the club in 2026. His outspoken personality and frequent public comments have also made him one of the most recognisable basketball owners in Europe.
Panathinaikos Success Under Giannakopoulos
Panathinaikos entered a new era when Giannakopoulos took greater control following decades of family involvement.
One of the most important achievements of this era came during the 2023–24 season. Panathinaikos defeated Real Madrid in the EuroLeague final to capture its seventh European championship.
The victory returned the club to Europe’s summit after more than a decade without a EuroLeague title.
Giannakopoulos has also invested heavily in attracting established European and international basketball players. His willingness to pursue major signings has helped keep Panathinaikos among the most closely watched clubs in European basketball.
Dimitrios Giannakopoulos Personal Life and Wife
Dimitrios Giannakopoulos is married to Ioanna Marosoulis. Unlike his highly visible professional and sporting activities, he generally keeps substantial parts of his family life private.
The couple has two children. Giannakopoulos does not regularly place his children at the centre of his business or basketball publicity.
His public presence instead focuses heavily on Panathinaikos, VIANEX and his wider business activities.
Pavlos Giannakopoulos Foundation
Dimitrios Giannakopoulos also serves as president of the Pavlos Giannakopoulos Foundation, which was established in memory of his father.
The foundation is involved in charitable and social initiatives. Its activities include support for education, healthcare, vulnerable people, environmental projects and Greek culture.
Through the foundation, Giannakopoulos has extended his family’s name beyond business and professional sport into philanthropy.
Dimitrios Giannakopoulos Net Worth and Earnings
There is no reliably verified public figure for Dimitrios Giannakopoulos’ exact net worth in 2026.
Several websites have published estimates ranging from hundreds of millions of dollars to more than $1 billion. However, these numbers are not supported by sufficiently transparent personal financial disclosures to treat them as established fact.
Giannakopoulos clearly controls or holds interests in valuable businesses and sporting assets. His financial interests are connected primarily with pharmaceuticals, investments and Panathinaikos B.C.
Nevertheless, company revenue or the value of family-controlled businesses should not be confused with an individual’s personal net worth. Therefore, an exact figure is best left undisclosed rather than presenting an unsupported estimate.
Business Influence and Public Profile
Dimitrios Giannakopoulos has built a public profile that extends far beyond the pharmaceutical industry. His involvement with Panathinaikos has made him particularly well known throughout Greece and European basketball.
He is also known for openly expressing his views about refereeing, basketball administration and the direction of European competitions. Some of these incidents have resulted in disciplinary sanctions and fines during his years as a club owner.
Despite the controversies, Giannakopoulos remains an influential figure in Greek business and basketball.
Dimitrios Giannakopoulos Today
The Dimitrios Giannakopoulos biography combines pharmaceutical business leadership, professional basketball ownership and a multigenerational family legacy.
At 52 years old in 2026, he remains Chairman and CEO of VIANEX and owner of Panathinaikos B.C. His leadership continues the business and sporting interests developed by his father and previous generations of the Giannakopoulos family.
Frequently Asked Questions
Q1: Who is Dimitrios Giannakopoulos?
Dimitrios Giannakopoulos is a Greek businessman, pharmaceutical executive and sports club owner. He is best known as Chairman and CEO of VIANEX and owner of Panathinaikos B.C.
Q2: How old is Dimitrios Giannakopoulos?
Dimitrios Giannakopoulos is 52 years old as of 2026. He was born on June 22, 1974, in Athens, Greece.
Q3: What is Dimitrios Giannakopoulos’ net worth?
Dimitrios Giannakopoulos’ exact net worth has not been reliably disclosed publicly. Various unofficial estimates exist, but there is insufficient financial evidence to confirm a precise figure.
Q4: Who is Dimitrios Giannakopoulos’ wife?
Dimitrios Giannakopoulos is married to Ioanna Marosoulis. The couple generally maintains a private family life away from his highly visible business and basketball activities.
Q5: How many children does Dimitrios Giannakopoulos have?
Dimitrios Giannakopoulos has two children with his wife. Detailed information about them is generally kept outside the public spotlight.
Q6: Does Dimitrios Giannakopoulos own Panathinaikos?
Yes. Dimitrios Giannakopoulos is the owner of Panathinaikos B.C., the basketball division of the famous Greek sporting organisation. His family has been closely associated with Panathinaikos basketball for decades.
Q7: What company does Dimitrios Giannakopoulos own?
Giannakopoulos is best known in business as the Chairman and CEO of VIANEX, a major Greek pharmaceutical company controlled by his family. His business interests also extend beyond pharmaceuticals into other investments.