How to pronounce “two tier” in English

And I say all this, when I say this is not to take anything away from extroverts, I think extroversion is a really enormously appealing personality style, it's just to say that thistendency, this kind of chauvinism that we have, this two tier structure of how we view personality leads to a colossal waste of talent and of energy and of happiness and we needto be adopting much more of a yin and yang approach of balance between the two styles.