Final answer:
Donna, known as a risk-taker and innovator at her company, is most likely high on openness to experience, a trait associated with curiosity and a broad range of interests.
Step-by-step explanation:
Given that Donna is known as a risk-taker and an innovator within the company, it is most likely true that she is high on openness to experience. This trait is characterized by imagination, exploration of feelings, actions, and ideas. Those high in openness tend to display curiosity and a wide range of interests, which supports Donna's reputation as an innovator. Moreover, risk-taking is often associated with entrepreneurial and innovative behaviors, which can be indicators of high openness to experience.