The following is completely speculative - I know - but possibly relevant. Bear with me.
I have noticed a difference among investors. There are the engineering/slightly Aspberger's types who tend to be prior founders who exited well. And then there are the HBS hail-fellow-well-met sports-loving never-ran-a-company-but-i-know-im-a-genius types. Yes, huge generalization - but those are the two bins I place them in. My observation in my experience is that the first type seems to be less influenced by attractiveness and appearances than the latter, and make better bets. I mean - take PG or AH. Need I say more? Now, that's not to say the aspy-types are free of biases - not at all - just that they are less likely to be swayed by attractiveness.
In any case, I wonder if other people have observed this effect or whether it's just me.
I think you've added too many constraints to each group you define. You could probably differentiate the groups between those who are theory driven (and who use deep knowledge and understand to guide them) vs. those who are shallower (or using emotional triggers of what excites them, and as such shallow or no theory used when investing).
The investors I've met clump into those two aggregates. I am not imposing any constraints - just saying that the people I've met seem to line up into those categories.
After realizing that I feel like I know what you are talking about, but then realizing that I have only met a couple investors in my life, I think you must be talking about something more general. Perhaps personality archetypes. I think our chosen field attracts these two personality types, which I guess you could say map pretty well to "engineer" and "marketing and sales (business)person". I think the third major category would be the slightly more nebulous "designer", or craft-y/sman type, but I don't know if thats as common among investors.
The following is completely speculative - I know - but possibly relevant. Bear with me.
I have noticed a difference among investors. There are the engineering/slightly Aspberger's types who tend to be prior founders who exited well. And then there are the HBS hail-fellow-well-met sports-loving never-ran-a-company-but-i-know-im-a-genius types. Yes, huge generalization - but those are the two bins I place them in. My observation in my experience is that the first type seems to be less influenced by attractiveness and appearances than the latter, and make better bets. I mean - take PG or AH. Need I say more? Now, that's not to say the aspy-types are free of biases - not at all - just that they are less likely to be swayed by attractiveness.
In any case, I wonder if other people have observed this effect or whether it's just me.