Kohei Yoshikawa

Biography

Kohei Yoshikawa

Kohei Yoshikawa has been a Research Engineer at NTT DATA Mathematical Systems Inc., Japan,  since April 2021, and a PhD student at the Graduate School of Mathematics, Kyushu University, Japan, since April 2024. 

He received B. Eng. and M. Eng. degrees from The University of Electro-Communications, Japan, in 2019 and 2021, respectively. Since April 2021, he has been in his current position.

Last update: 2024.3.31

Work Experience

Apr., 2021 -- (Present)

NTT DATA Mathematical Systems Inc., Tokyo Japan.

Research Engineer, Data Mining Division 


Software Development for Data Analysis:

I have been involved in the development of data analysis software, covering tasks such as designing and developing statistical and machine learning libraries, front-end development and design, and UX research. This diverse experience has equipped me with comprehensive skills to create data-driven products.

Consulting for Data Analysis:

In the realm of data analysis consulting, I have provided strategic advice on various projects, focusing on supporting clients in data-driven decision-making and optimization to contribute to the success of their businesses.

Data Scientist Education:

Building on a deep understanding of the field of data science, I have developed and implemented education programs for students and professionals. I am passionate about nurturing the data scientists of the future.

Technical Support Staff:

Through my experience in technical support, I have honed swift and effective problem-solving skills. I have supported the stable operation of products and projects, contributing to increased user satisfaction.

Key Languages and Frameworks:

Python, Typescript, and frameworks like React, scikit-learn, Gitlab, and Docker.

Academic Record

Apr., 2024 -- (Present)

Graduate School of Mathematics, Kyushu University, Japan.

Advisor: Prof. Shuichi Kawano


Apr., 2019 -- Mar., 2021

Department of Computer and Network Engineering, Graduate School of Informatics and Engineering,
The University of Electro-Communications, Japan.

Degree: Master of Engineering (as valedictorian in the department)

Advisor: Assoc. Prof.  Shuichi Kawano

Dissertation: Tensor Common Component Analysis based on Kronecker Product Representation


Apr., 2015 -- Mar., 2019

Department of Communication Engineering and Informatics, Faculty of Informatics and Engineering,
The University of Electro-Communications, Japan.

Degree: Bachelor of Engineering 

Advisor: Assoc. Prof.  Shuichi Kawano

Dissertation: リーマン多様体上における多変量低ランク回帰モデルの推定


Apr., 2012 -- Mar., 2015

Tokyo Metropolitan Kunitachi Senior High School (東京都立国立高等学校)

Research Interests

Statistical machine learning, Sparse modeling, Dimension Reduction, Causal Inference.