Adjust the size of the photo on a public speaker profile page using the Page Editor.
Choose the photo size
While signed in with event editing access, open the speaker's public profile page and select Edit Page.
Open Page > Additional Settings > Speaker Photo Size.
Choose Small, Medium or Large. Changes save automatically; wait for saving to finish before leaving the editor.
The same section has Speaker Logo Size and Speaker Social Links Position. The social links can appear in the header or the About This Speaker section. To replace a stretched or badly cropped image, see fixing a speaker headshot.