Strategy University by Adrian Mikhalchichin
Volume 5 :: Winning Methods of Great Players
2012 | English | Fritz Trainer DVD | 5h 35m | 1.31 GB
These are two videos on barista training by espresso expert David Schomer, owner of Seattle's Espresso Vivace.
While these certainly aren't definitive (there are many ways to prepare coffee), they're very useful learning tools for a dedicated professional barista.
Caffe Latte Art (20 min)
Techniques of the Barista (26 min)