The presence of somebody of Mr Sabanci's stature guarantees that complaints will be few.
Whereas most Turkish businessmen insisted on keeping control, Mr Sabanci was happy to share.
The Sabanci firms have begun to introduce a modern management and financial culture into Turkey.
Across the group, Mr Sabanci has brought in outside management techniques and foreign-trained managers.
In a country where there is chronic underinvestment in most firms, Sabanci companies tend to invest for growth.
Philanthropy is important to Sabanci, who has been president of Sabanci University since she set it up in 1996.
Prof Zehra Sayers of Sabanci University in Istanbul says Sesame is so valuable that it cannot be allowed to fail.
Although Mr Sabanci regularly berates Ankara's bunglers, he has managed to keep in favour with Turkey's political elite for three decades.
The logic behind such deals is simple: while a foreigner provides know-how about his industry, Mr Sabanci provides know-how about his country.
When Sabanci University was opened in Istanbul during the summer, the president, prime minister and deputy prime minister were all in respectful attendance.
"He lived here with his family in the last 25 years before it became a museum and he has donated his two collections, " said Sabanci.
One example is the flotation on July 3rd of Omer Haci Sabanci Holding, a conglomerate with investments in cars and cement, and ambitions in energy and telecoms.
Despite his early setback in the tyre business, Mr Sabanci has made a speciality of joint-ventures with foreign partners, striking 17 since 1985 in sectors as diverse as cars and cigarettes.
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