I didn't find an article or option to merge f5 community accounts. For example if a person has a company email account and a private one.
LiefZimmerman
Admin
AdminCouple of places have this info:
A link "Contact Us" on our homepage in the right nav, guides the basics; This direct link will be current with whatever means we employ for direct contact at the time you decide to contact us: https://community.f5.com/t5/devcentral-news/support-and-help-for-devcentral-and-offline-contact/ta-p/291959
The Help link at the top right, near your profile avatar, provides guidance on how to change this and other info: https://community.f5.com/t5/help/faqpage/title/how_change_pii
both will direct you to email us at DevCentralFeedback@f5.com