Check the person’s public social media profiles
Look at their professional website or portfolio
Search their name in online directories
Use a company or organization staff page
Search public records where legally available
Check alumni directories or association member lists
Use a professional networking site
Ask mutual friends, colleagues, or acquaintances
Review email signatures from past messages
Search for their business listing on maps or review sites
Contact their workplace through official channels
Use a people-search service where permitted by law
Check conference, event, or speaker pages
Look for contact details on published articles or bios
Send a message through a public contact form or inbox
Respect privacy laws and do not use unauthorized methods