On 12 December 2023, the IBER-Kotosaka B2 (English-track) seminar held a joint session with Rakuten Group. Our guest that day was a Rakuten executive who is also an alumnus of Keio SFC — a particularly meaningful combination for a seminar taught on the SFC campus. Over the preceding weeks, students had built their own proposals on Rakuten's future businesses following the seminar's standard preparation cycle, and the day itself took on an unusual character: students making the case for what Rakuten could be, and an executive who had himself, years earlier, sat in an SFC classroom responding with Rakuten's own current thinking.

IBER-Kotosaka B2 seminar and Rakuten executive — joint session group photo
Group photo with the Rakuten executive joining on screen.

Seminar meets alumnus

B2 joint sessions follow a consistent rhythm. The partner company brings the seminar a real brief; students spend two to three weeks analysing it on their own; a seminar-internal interim presentation sharpens the work through faculty and peer critique; and the day itself is a two-way debate between teams and the executive who owns the question. That familiar rhythm was in place here. What gave this particular session its character was who was on the other side of the table. Because the executive had come through SFC, the feedback had an extra dimension. It was strategic — pointing to where Rakuten is thinking today, and which of the student angles the company should take seriously — but it was also informed by a sense of what SFC had asked of him years earlier, and what the students now facing him might ask of themselves.

How the session ran

Each team presented in turn. The executive engaged each proposal at length, pointing out where the analysis had identified a point Rakuten itself had been considering internally, and also where the students had miscalibrated the market or underestimated internal constraints. Between presentations, the conversation moved easily into adjacent territory: what platform economics look like from inside a company that is actually operating one, how Japan-specific realities pull against naive internationalisation playbooks, and what it actually takes to stand up a new business inside a large organisation. Much of this sat outside the original brief, but it was valuable for the students.

A B2 student presenting a proposal to Rakuten
A B2 team walks the room through its proposal.

About Rakuten

Rakuten Group, Inc. is one of Japan's largest internet services companies, founded in 1997 and headquartered in Setagaya, Tokyo. What started as an online marketplace has grown into a portfolio spanning e-commerce, fintech, mobile telecoms, digital content and sports, with more than seventy services operating worldwide. For a seminar that studies strategic management, Rakuten is a natural counterpart — a company that has continuously rebuilt and expanded its portfolio in step with platform economics, Japanese market realities, and the demands of international expansion.