Besides their specific knowledge and expertise, they need communications skills, project management skills, an ability to work in interdisciplinary teams, an ability to work across boundaries and sectors, and business skills. They need the ability to prepare business plans. If you have young scientists who are ready to go and start their own businesses, they need to write business plans. They need to take care of the finances of their companies.
They need all of those skills that complement their scientific expertise and engineering knowledge.