Complex sentence: Theoretically, proactive people concentrate more on personal achievement and they pursue more challengeable experiences, so they are more likely to get involved in radical actions such as starting or purchasing a business and run it with their personal ideas or strategies.
Split into simpler sentences: Theoretically, proactive people concentrate more on personal achievement and they pursue more challengeable experiences. So they are more likely to get involved in radical actions such as starting or purchasing a business and run it with their personal ideas or strategies.