Are you a Linkedin Group owner or manager for years?
Richard Branson & Bill Gates can be mentioned by anyone on Linkedin, even if they aren't your 1st level connections.
Did You Know, That LinkedIn has a New Tool, Which is Automatically Creating a So-Called “Listing Page,” if a Company is listed on Linkedin by a Linkedin Member
”A LinkedIn Listing Page is a Page that doesn’t have an assigned admin. When a member adds that organization to their work or education experience on their profile, a Listing Page is automatically created by LinkedIn if a Page doesn’t already exist” - as Linkedin told.
On Linkedin I have posted the above question and mentioned some of my most well known Linkedin Expert connections.