Nikola's CEO reveals his best advice for entry-level employees who want to run a company one day (NKLA)

· If you want to become a CEO, you have to be open to any assignment you're given and be proactive about finding ways to expand your skill set, Nikola CEO Mark Russell told Business Insider.
· "Prepare yourself for a lifetime of being willing to do whatever you are asked to do, and then seeking greater opportunities and...