Here's a breakdown:
* Jee: Like the first part of "jeep"
* An: Like the word "an"
* Loo: Like the first part of "look"
* Ka: Like the "ka" in "karaoke"
It's important to note that the "c" in "Gianluca" is pronounced as a "k" sound, not a "ch" sound like in the English word "church".