Try calmaguer@princesscruises.com and croig@princesscruises.com
Princess emails tend to be first letter of first name and then last name. So if someone is called First Last the email address would be flast@princesscruises.com
By the way here is a link to a news item about the two new executives:
https://www.cruiseindustrynews.com/cruise-news/27066-princess-expands-sales-leadership-team.html