In order to create a successful business, there are many skills that we must cultivate. The following are the skills with the most leverage:
1. Engineering
2. Product
3. Design
4. Sales & Marketing
5. Finance
6. Leadership & Management
To be an expert in all of these skills is impossible to achieve within a lifetime. However, if we are able to focus on one or two of these skills deeply whilst also learning the basics of each of the other skills, our ceiling will be exponentially higher.
Yan's blog 