"Gives first without asking anything in return"
I think the hallmark of a good connector in the space is someone that provides value for free without any expectations.
There will be folks that screw you over & there will be others that will repay your kindness ten fold.
So far Mitko has always helped me out.
From my numerous interactions, Mitko is that one person who will check in on you, see what's going on, share insights & is engaging to speak with - his impatience in sitting still means he's up to date on what piques the mind of the market.