I align myself with almost all researchers in assuming that anything we do is a composite of whatever genetic limitations were given to us by our parents and whatever kinds of environmental opportunities are available.
I need to add that my work on multiple intelligences received a huge boost in 1995 when Daniel Goleman published his book on emotional intelligence. I am often confused with Dan. Initially, though Dan and I are longtime friends, this confusion irritated me.
A lot of knowledge in any kind of an organization is what we call task knowledge. These are things that people who have been there a long time understand are important, but they may not know how to talk about them. It's often called the culture of the organization.