You don't need to make the structure complicated, in fact you shouldn't. All you need is for every employee to know who their manager is.
Sam AltmanAirBnB spent 5 months interviewing their first employee, before they hired someone and in their first year, they only hired 2 people.
Sam AltmanGreat execution is at least 10 times more important and a 100 times harder than a good idea.
Sam Altman