Pros – Because the owner is very passionate about the future prospect of the business, so he pursues every profit out of other subsidiaries to this newly starting business. So, the job is very stable and enables you many chances to challenge new ideas on this field.
Cons – It is very unclear from the prospect of the employer to work there. Because, you has limited chance to see how your contribution to the company is effective instantly. You can not know whether you are doing well or not.
Advice to Senior Management – Maybe there were no need of sales manager position for the starting phase.