This is a bit tricky because FB will penalize anyone posting business/ads/marketing to their personal account. You all will want to be careful with it because you're asking to have issues with FB if used wrong.

I see this request is on diferent posts already, it shows the need of this function:

This would be extremely useful for businesses and entrepreneurs who primarily engage with their audience through personal profiles.

If an agency offers this as a service to a client, they want us to post on the business page as well as on the personal contact.

this idea help my can a add my account personal in futere

My personal account is in professional mode and performs much better than my business page. I'd love to be able to connect GHL to my personal page!