The previous piece laid out the three common post-MBA paths: consulting, IBD and tech. There is one option that fits none of them. Founding something.
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The conclusion first: an American campus offers an extraordinary number of chances to start a company, and international students face a visa wall the other three paths do not have. Both are true at once. So this is not "don't bother" or "go for it" — it is a question of how you move once you know the constraint.
The campus is unreasonably full of chances
Start with the environment. It is hard to picture from Japan, but American universities keep permanent machinery for trying out a company.
Pitch competitions are the clearest example. Even internal campus events can pay ten thousand dollars for a one-minute pitch. And not once a year — contests large and small run throughout the calendar. Set that against how many opportunities exist anywhere to speak for one minute and walk away with that kind of money, and the density is simply different.
What matters more than the prize is the number of attempts. You enter, you lose, you get feedback, you enter again. The judges are often working investors or people who have built companies. The very first task of starting anything — explaining an idea to people and watching their reaction — can be run many times at low cost.
Beyond that sits access to accelerators and VCs. You can reach an accelerator like YC, or a VC like a16z, from the position of a student. Sometimes they come to campus events; sometimes an introduction travels through the alumni network. Compared with approaching them alone from abroad, the distance is incomparable.
What is really working here is that a student is harder to turn away at the door. Send the same message as a lone founder and you get no reply; send it as a student at a known school and it at least gets read. At the very first step, that difference decides a lot.

Your co-founder is in the building next door
There is a second advantage that gets overlooked: as a place to find a co-founder, a university is extraordinarily well stocked.
The classic problem for a business-school student is the absence of someone who can build. You may have the idea and understand the market, but you cannot turn it into a product. Looking for that person in Japan means working through acquaintances or circulating at events — a long way round.
At American universities there is often a system built specifically to match you with engineering students. Sometimes it is a course where teams form as part of the work; sometimes it is a matching event or platform. People on the same campus, running on the same academic calendar, who all want to try something.
And this is not unrequited. The technical side has the mirror-image problem: they can build, but they do not know who to sell to, at what price, or whether anyone wants it. Each side sees in the other what it lacks. A university is one of the few places where both are physically in the same building.
That condition disappears the moment you graduate. Being a student also functions as a pretext for approaching an engineer. Treat it as a resource available only while enrolled.
The wall is the visa — you can form a company, but you cannot work in it
From here it is specific to international students. And this is where the misunderstanding lives.
Forming a company while enrolled is possible. Incorporating, holding shares, registering the entity — all of that can be done on a student visa. No problem so far.
The problem is the next step. Working in the company you formed is, as a rule, not allowed. An F-1 student needs work authorisation — CPT or OPT — and "it is my own company" does not change that. Investing and holding is a passive asset; the moment you start running day-to-day operations, it is employment.
So for an international student, a strange state can arise: the company exists, but its founder cannot work in it. That is why some people end up with an American co-founder who runs operations while they participate as a shareholder.
That arrangement has a price. If someone else does the work, they hold the real steering wheel. Whatever the cap table says, the person making daily decisions sets the direction. You can end up as an investor in your own idea. Designing the division of labour up front matters for this reason too.
The lines are fine and they move with individual circumstances. Confirm with your school's DSO. Please do not act on this article — that warning is sincere.

The OPT asymmetry: one year by default, three if someone else is the employer
After graduation you stay on OPT work authorisation. And there is a disadvantage that lands only on people who choose to found.
Standard OPT runs twelve months. Within that window you can work in your own company if you meet the conditions: the business relates to your degree, you hold the registrations and licences, you have an EIN, there is genuine activity of at least twenty hours a week, and you report it to your DSO. A company that exists only on paper does not qualify.
The problem is the extension. Graduates of a STEM-designated programme can extend OPT by twenty-four months, three years in total. Here the rule is narrower than it is usually reported. Owning the company is not what disqualifies you. DHS allows a STEM OPT student to train at an entrepreneurial venture as its employee; what it forbids is acting as your own employer, or signing the employer side of the required form (I-983) for yourself.
In practice that is still a high bar for a company you started yourself. The venture has to be a real employer: enrolled in E-Verify, paying you in line with similarly situated US workers, and holding the staff and resources to deliver the training plan that someone else signs. A venture that is effectively you alone cannot show the genuine employer-employee relationship the extension asks for.
The result:
- Take a job → up to three years, if your programme is STEM-designated
- Run your own company → twelve months as a rule, and the extension only if the venture is a real employer and you are its employee
Same graduating class, and the length of time you may stay can change threefold depending on which path you pick. That is the structure an international student considering a US startup runs into first.
Note also that whether an MBA is STEM-designated varies by programme, and OPT practice shifts from year to year. Check what is true for your own cohort.
Try it while enrolled, or take a job first
Given all of that, the realistic options narrow to two.
One is to use the enrolment to its limit. The campus chances and the co-founder pool exist only while you are a student, so take it as far as two years allow. Form the company, enter the pitches, go after funding. Because you cannot work in it yourself, design the split with your co-founder from the start.
The other is to take a job and come back later. Three years on OPT if your programme is STEM-designated, and aim at an H-1B in that window. Move to founding once your status is stable. It looks like a detour, but as a way of buying time it is rational. Plenty of people build a network while working in the Bay Area and found something a few years later.
That route has a side benefit: while you are employed, industry knowledge and contacts accumulate. Ideas formed as a student are often built without knowing the ground. Looked at again after a few years of work, the problem worth solving is far more specific. The detour frequently raises the hit rate.
Neither is the right answer. But it is worth knowing that there are only these two. "Found something and figure it out if it works" is exactly what does not hold for an international student, and that is the decisive difference from a domestic one.
Founding is the fourth option alongside consulting, IBD and tech. The abundance of chances is real, and so is the constraint. Choose with both in view and it becomes a genuinely workable path.
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