Sun newspaper, 52-year-old Omar Bakri boasted of his military-style courses for fanatics on the lawless border with Lebanon.
He said one recruit was a computer programmer in his 20s from London, while another was a Midlands-based IT worker.
And he claimed: “Others like them will follow.”
“Of the four, two of them have Syrian connections. But they are all born in UK and have professional backgrounds,” Bakri added.
Bakri moved to Britain in 1986 and stayed there until 2005, during which he praised the 9/11 terror attacks in 2001.
The Syrian-born man alleges to have trained “many fighters” from other countries, including Germany and France, since moving to Lebanon.
Syria has been experiencing unrest since March 2011. Many people, including large numbers of security forces, have been killed in the turmoil.
The Syrian government says that the chaos is being orchestrated from outside the country, and there are reports that a very large number of the militants are foreign nationals.
Four British nationals are being trained to join foreign-backed militants in Syria at a camp run by a radical Muslim preacher in northern Lebanon.
In a recent interview with Britain's the