'during his presentation' is a correct and usable phrase in written English.
It can be used to refer to something that happens at some point while someone is performing a presentation. For example, "John made eye contact with the audience during his presentation."
Mr. Cordova doesn't mention Iraq during his presentation.
As for the tears during his presentation, Federer admitted it was something he could not control.
I winced quite a few times when I watched him during his presentation to the United Nations.
He gave no inkling during his presentation, nor during drinks afterwards, that he was about to depart.
"Now can you ever imagine one of your trustees telling you that you're an idiot?" one curator asked Dr. Varmus, the Sloan-Kettering president, during his presentation.
They preferred the Jaguar E-type sports car Mr. Mays showed during his presentation and a limited-edition Mustang called the Bullitt (after the 1968 Steve McQueen movie).
Population growth, as King's graph shows, and as he admitted during his presentation, is self-limiting: the entire global population is going or has gone through demographic transition.
"The design here was driven by spending time with gamers, actually putting control in their hands," Mr. Gates said during his presentation on Saturday.
Ten years later, President Obama attributed the quotation to Angelou during his presentation of the National Medal of Arts and the National Humanities Medal.
"The number of people sharing via mobile has grown by 28% quarter-over-quarter," said Waddingham, during his presentation at the Fundraising Online conference.
Amazingly, during his presentation at Fossil x 3 Anderson revealed he has been successful: he found higher levels of iron in blood-engorged ticks preserved in amber.
