Who's this french guy?

From Wine Enthusiast Magazine :
I ask de Castro how his example of making top quality wines influences other growers in the Dão: “We are all individuals here, we work for ourselves,” he says. “But people do come to me. The last guy who came here wanted to be so radical. He was French. I told him be calm and take your time.”

http://www.winemag.com/Best-Of-Year-2013/The-Masters-of-Portuguese-Wine/