Following that old adage about doing as the Romans do, it would have been impolite on my recent trip to the Italian espresso expert's LELIT's HQ not to slightly overindulge on the espresso front.

Ulli Winckler loves to teach the world to drink — and grind and roast and understand — coffee. The German-born master roaster has been in the coffee and tea industry for decades. He got his start in ...