You will need your Expert ID, given to you when you first created an Expert page.
If you no longer have this, please email lele.xu@clay.com with the subject “[Your name] - Expert ID”.
If you do have it, you can use it to submit an update form here: https://airtable.com/appxvE80Wojwdo9yE/paga8DK8qkT91w0yy/form