The full-back is captaining his side in the tournament held across America, guiding them to the top of Group A and a place in the quarter-finals.
The tournament's surprise package Guatemala now await in the last eight in Boston on Saturday (6pm UK) with the winners up against either the US or Panama in the semi-finals next week.
Guatemala finished second in Group B behind the US, the only team with a 100 per cent record.
"Obviously meeting the States is a real incentive for us but Guatemala will be a tough obstacle," said Paul, who set up a goal in the last group game against Haiti. "They've been the surprise team and I've been impressed.
"They've been together as a squad for four of five years now, know each other well and are very organised.
"They only lost 1-0 to the States in their opening group game and that would be a tough start for anyone.
"They defend well, play with a good shape and try to hit you on the counter-attack with a striker called Carlos Ruiz scoring their goals. It will be very tough but hopefully we'll progress."
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Guatemala stand between Paul Stalteri's Canada and a semi-final showdown against the USA in the CONCACAF Gold Cup.