Why it picked
that photo
of you.
The image is the part people complain about most, and it is the part they have the most indirect control over. Google does not ask you for a photograph. It picks one.
Understanding how it picks explains why the answer is almost never the photo you would have chosen, and why uploading a better one somewhere rarely changes anything.
The image consistency pass
- Choose one master photograph, taken in the last two years, plain background, face clearly visible
- Export it once and use that exact file everywhere, not crops or re-edits of it
- Replace it on every social profile you own, on the same day if you can
- Replace it on your own website, including the author box on every article
- Send it to every publication, podcast and conference that has an old one of you
- Update any register, directory or institutional page that carries a photograph
- Give it a sensible filename and a description that includes your name
- Then leave it alone for at least six months. Changing again resets the consensus
It is choosing a consensus, not a favourite
Google is not judging which picture is best. It is looking for the face that appears consistently across the sources it associates with you, and picking a version of that.
So the photo you get is the one you have used most, in the most places Google trusts, over the longest period. If that is a headshot from six years ago that sat on a conference page and got syndicated, that is what wins.
This is also why changing your profile picture on one platform does nothing. You have changed one vote in an election you are losing everywhere else.
Where the candidates come from
Licensed image libraries, pages Google strongly associates with you, and structured sources that carry an image field. An encyclopedia entry with a photograph is close to decisive when one exists.
Your own website is a candidate, and a weak one, because it is you describing yourself. It carries more weight when the same image also appears on sites you do not control, which is the whole trick.
The only approach that reliably works
Pick one photograph and use it everywhere. Not a similar one. The same file.
Then replace the old image at the places that actually feed the machine: your profiles, your speaker pages, your author pages, any directory or register that holds a photo of you, and anywhere a publication has used a picture alongside your name.
It takes months to show, because Google is waiting to see the new consensus hold rather than reacting to a change. There is no version of this that works in a week.
When you can ask directly
Once a panel exists and you have claimed it, there is a route to suggest a change, including the image. It is a suggestion. Google checks it against the sources, and if the sources still show the old photograph everywhere, the suggestion loses.
Which is the same lesson again: fix the sources and the panel follows. Ask the panel directly and you are arguing with a mirror.
Questions
Can I upload a photo to my knowledge panel?
Once you have claimed it you can suggest one. Google weighs it against what the rest of the web shows, so a suggestion that contradicts every other source usually loses.
Why is it showing a picture of someone else entirely?
That is a name collision: Google has merged you with another person of the same name, or is showing theirs instead of yours. It is a different and more serious problem than a bad photo.
How long until a new photo appears?
Months, and only after the new image is the common one across sources. If it changes in days, that usually means the old one was thinly supported to begin with.
Does image file name or alt text matter?
A little, and only as confirmation. It helps Google connect a picture to a name. It will not win against a different photograph appearing in more places.
If you want this handled
Three thousand dollars flat, half at the start and half only when there is something live to show you. Six to twelve months is the honest window, and about a third of the people who ask are told not to proceed.