rsenal have agreed to sign Schalke left-back Sead Kolasinac on a free transfer and had a bid rejected for Lyon striker Alexandre Lacazette.
Wenger has also said contract talks will take place this summer with forward Alexis Sanchez and midfielder Mesut Ozil, who are entering the final year of their deals.
“We’re looking for top-quality players,” added Gazidis.
“We’ve got three times as many scouts as we had four years ago. I believe that to be a world-class football club, you’ve got to be world class off the pitch.”