Participant Profile

Takashi Otani
(From Kanagawa Prefectural Hakuyo High School) / March 2007: Graduated from Department of Applied Chemistry, Faculty of Science and Technology, Keio University / March 2012: Completed Doctoral Programs, School of Fundamental Science and Technology, Graduate School of Science and Technology, Keio University / April 2012: Joined Mitsubishi Chemical Corporation (Assigned to Yokohama Basic Research Laboratory) / April 2013: Long-term business trip to Kurosaki Development Research Laboratory and Yoshitomi Plant (Fukuoka), Mitsubishi Chemical Corporation / April 2015: Organic Materials Research Laboratory, Yokohama Research Center, Mitsubishi Chemical Corporation / July 2019: Venture Group, Advanced Technology Business Development Office, Mitsubishi Chemical Holdings Corporation / August 2020: Seconded to Center for Global Commons, The University of Tokyo / April 2023: Venture Department, Frontier & Open Innovation Headquarters, Mitsubishi Chemical Corporation / April 2026: Venture Department, Innovation Planning Headquarters, Mitsubishi Chemical Corporation

Takashi Otani
(From Kanagawa Prefectural Hakuyo High School) / March 2007: Graduated from Department of Applied Chemistry, Faculty of Science and Technology, Keio University / March 2012: Completed Doctoral Programs, School of Fundamental Science and Technology, Graduate School of Science and Technology, Keio University / April 2012: Joined Mitsubishi Chemical Corporation (Assigned to Yokohama Basic Research Laboratory) / April 2013: Long-term business trip to Kurosaki Development Research Laboratory and Yoshitomi Plant (Fukuoka), Mitsubishi Chemical Corporation / April 2015: Organic Materials Research Laboratory, Yokohama Research Center, Mitsubishi Chemical Corporation / July 2019: Venture Group, Advanced Technology Business Development Office, Mitsubishi Chemical Holdings Corporation / August 2020: Seconded to Center for Global Commons, The University of Tokyo / April 2023: Venture Department, Frontier & Open Innovation Headquarters, Mitsubishi Chemical Corporation / April 2026: Venture Department, Innovation Planning Headquarters, Mitsubishi Chemical Corporation
Crossing Boundaries and Connecting the Dots
Introduction
Thank you for this opportunity to contribute to the Keio University alumni column. After graduating from the Department of Applied Chemistry in the Faculty of Science and Technology and completing my Doctoral Programs, I joined Mitsubishi Chemical Corporation (now Mitsubishi Chemical Group Corporation). Following experience working in Research Centers and Institutes and a secondment to the Center for Global Commons at The University of Tokyo, I am currently involved in creating collaborations with domestic and international startups within a corporate venture capital organization. For a chemistry graduate, my career might seem like a collection of disjointed experiences at first glance, but looking back, I feel they are connected by a single thread: the desire to contribute to manufacturing. In this article, I would like to reflect on my career along with several turning points.
A Longing for Manufacturing
Perhaps because I often heard my father, who ran a construction business, talk about how he was involved in the construction of certain buildings, I had a vague desire from a young age to create something tangible in the future. I was also interested in architecture, but after entering high school, I became attracted to chemistry, which involves designing the microscopic world. After some hesitation, I chose to enroll in Gakumon 3, where the chemistry-related departments are clustered.
The Laboratory: My Starting Point as a Researcher
After entering Keio University, I wasn't a particularly outstanding student during my undergraduate years, partly because I was so absorbed in sports. However, in my senior year, I discovered the joy of chemistry and experimentation after being assigned to the laboratory of Professor Kazunobu Toshima (Molecular Life Chemistry).
One of the attractions of the Toshima Lab was the environment where we could work on the boundary between organic synthetic chemistry and biology, with "double major" as a keyword. However, for my own theme, I specifically requested natural product synthesis because I wanted to first master organic synthesis, which is the foundation of molecular design. Research in natural product synthesis is often compared to mountain climbing and is truly a form of "training"; it wasn't until my second year of my master's degree that I was able to publish my first paper. I entered the Doctoral Programs feeling anxious about whether I could finish in three years, but with the help of Professor Toshima, Professor Takahashi, and my talented juniors, I managed to achieve the total synthesis of a natural product and receive my degree. The time spent with my colleagues—heading to a ramen shop together after experimenting late into the night and everyone chipping in to buy extra pork for a member who got good results—is a precious memory.
"Corporate Research" and the "Frontlines" of Manufacturing
After joining Mitsubishi Chemical, my first assignment was in the research department for pharmaceutical intermediates. Having joined the company with the hope of creating "tangible materials," I initially had mixed feelings. However, I convinced myself that "given my expertise, it makes sense for HR to do this," and decided to commit to it for a while.
The first wall I encountered moving from a university lab to a corporate research center was the very basic concept of "cost." I had to design synthetic methods and processes while being limited in the raw materials and types of reactions I could use. After a year and a half of long-term business trips to a factory where I experienced the frontlines, I realized how crucial it is to identify risks in advance to protect site safety. Conversely, I began to find it interesting to see how much I could design within these constraints.
Three Years in the Environmental Community
A particularly major turning point in my career was my secondment to the Center for Global Commons at The University of Tokyo, which conducts research on sustainability. This came about when the CTO at the time reached out to me just as my plans to study in the United States were thwarted by the impact of COVID-19. Although I had no prior experience in environmental research or operations, I decided to take the plunge, believing that the trend toward decarbonization could change the very nature of chemical companies.
At the Center for Global Commons, I worked with international research institutions to create proposals and consider specific measures for the conservation of the "Global Commons," which play a vital role in the Earth's environmental systems. It was a field completely different from chemistry, requiring perspectives I had never encountered before—such as economics, behavioral science, policy, and governance. It was a valuable experience to be part of discussions at a high level that one wouldn't normally consider as a researcher at a single corporation. This has become a major asset both in thinking about the sustainability of "manufacturing" in the chemical industry and in my current work.
Connecting the Inside and Outside of the Company
If I were to describe the work of corporate venture capital in one sentence, it is to provide the company with new options by collaborating with rapidly growing venture companies. The biggest difference from my time as a researcher is that I am required to have a multifaceted perspective—not just making things ourselves, but bringing a greater impact to manufacturing by combining our work with new external technologies. The "double major" attitude from my lab days and the experience of "crossing boundaries" gained through long-term business trips and secondments are being put to use here as well.
In the broad field of the chemical industry, it is not easy to understand the businesses and technologies of diverse startups, but it is purely enjoyable to hear about and discuss new business ideas and technologies. Furthermore, being in a place with the speed of challenging entrepreneurs, their healthy ego and confidence, and the excitement permeating the entire industry is always a great stimulus.
In Closing
Looking back, I feel that my childhood desire to "make something tangible" remains at the root of my work, even as my way of engaging with technology has changed. On the other hand, my approach to manufacturing has expanded in ways I never expected—from R&D to the production site, sustainability, and venture collaboration. Even assignments that differed from my wishes or accidental offers turned out to be important pieces of the puzzle when I faced them with a mindset of jumping over boundaries. If I were to describe my career in one word, that might be it.
Writing this column has made me realize that the spirit of Keio University contains elements of "crossing boundaries" and "connecting" everywhere. I believe my own career has been influenced by this, and that may be the true depth of learning at Keio—it goes beyond simply studying a specialized field.