The phrase "head of a team" is correct and can be used in written English.
You could use it when talking about someone who is in charge of a team, either in sports, business, or another group endeavor. For example: "Jack was chosen to be the head of the management team for the company's new project."
In Salt Lake City she was head of a team that had been playing together for several years.
The son of two biologists, Semenov is head of a team of scientific divers at the White Sea Biological Station.
Rather than think of herself as the head of a team, Barbara began to see herself as responsible for the company.
Before long, the company, Abbott Laboratories in Chicago, made her head of a team of scientists and handed her a budget exceeding $20m a year to play with.
She said its statistical basis was sound and noted that the department had been congratulated on the plan by the head of a team of international experts.
"The divers are using their hands to pull out the bodies," said Massimiliano Pugliese, the head of a team of divers sent by Italy's fire service.
Martin Chavez is co-head of a team of "strats" (financial engineers) at Goldman Sachs which acts as Goldman's in-house research-and-development division.
"Very little has changed at Fukushima Daiichi in the past six months," said Jun Shigemura, a lecturer in the psychiatry department at the National Defence Medical College who heads of a team of psychologists that counsels Fukushima plant workers.
In the new Latvia, based in Riga, Genadijs became head of a sniper team, a captain.
He's a former head of a F1 team who already owns a fleet of high-performance cars.
At Jubail, on the Gulf, a navy captain, Grenville Johnson, superintends the Saudi fleet of Vosper minehunters at the head of a naval team of eight.
