noun
serial entrepreneur
A person who repeatedly starts new businesses, often moving on after each venture is established.
彼はシリアルアントレプレナーとして、これまでに5つの会社を立ち上げた。
As a serial entrepreneur, he has founded five companies so far.
Variant with interpunct; less common but seen in some texts.
起業家 is a general term for 'entrepreneur', while シリアルアントレプレナー specifically refers to someone who starts multiple businesses in succession.
Borrowed from English 'serial entrepreneur'.