Company Profile

About Us

Supporting Better Human Communication

Direct Communication Inc. is a psychological training and research organization based in Tokyo, Japan. Since 2006, we have focused on helping individuals and organizations improve communication, interpersonal understanding, and mental wellbeing through practical psychological education and assessment tools.

Why People Trust Our Work

1. Over 20 Years of Experience

Since our establishment in 2006, we have developed communication programs and psychological assessments based on long-term practical experience and clinical insight. Our assessments are informed by data gathered through training programs involving more than 3,000 participants.

2. Experience Supporting Major Organizations

We have provided communication training, psychological assessment development, and consulting services for a wide range of organizations, including Panasonic Automotive, Mitsui Sumitomo Construction, Fujitsu Research Institute, and ITOCHU Techno-Solutions (CTC).

3. Supervised by Qualified Professionals

Our assessments are supervised by Licensed Psychologists and Mental Health Social Workers. Many members of our specialist team hold graduate-level qualifications in psychology and related fields, helping ensure that our content is grounded in professional knowledge and practical experience.

Tatsushi Kawashima

CEO and Lead Researcher
M.A. in Psychology, Mejiro University Graduate School
Licensed Psychologist and Mental Health Social Worker

Specializes in interpersonal communication, social psychology, and psychological education, with more than 20 years of practical experience.

Mikiko Kamei

Senior Psychological Consultant
M.A. in Human Sciences, Waseda University Graduate School
Clinical Psychologist and Licensed Psychologist

Atsushi Matsumoto

Senior Psychological Consultant
M.A. in Clinical Psychology, Teikyo Heisei University Graduate School
Clinical Psychologist and Licensed Psychologist

Media and Publications

Our communication methods and psychological training programs have been featured by NHK and introduced through books and educational publications in Japan.

Our Mission

We aim to support healthier communication, emotional understanding, and psychological wellbeing in everyday life and the workplace through accessible and evidence-informed psychological education.

Corporate Information

Company Name: Direct Communication Inc.
Established: May 2006
Location: Tokyo, Japan
Business Areas: Psychological Assessment Development, Communication Training, and Mental Health Support

Our Specialists

Tatsushi Kawashima

Tatsushi Kawashima

CEO and Lead Researcher
Licensed Psychologist and Mental Health Social Worker
M.A. in Psychology, Mejiro University Graduate School
B.A. in Industrial Management, Nihon University
Member of the Japanese Society of Social Psychology

Specializes in social skills training, social psychology, and clinical psychology, with more than 20 years of practical experience in psychological education and communication training.


Mikiko Kamei

Mikiko Kamei

Senior Psychological Consultant
Clinical Psychologist and Licensed Psychologist
M.A. in Human Sciences, Waseda University Graduate School

Specializes in clinical psychology, cognitive behavioral therapy, and social skills training.


Atsushi Matsumoto

Atsushi Matsumoto

Senior Psychological Consultant
Licensed Psychologist and Clinical Psychologist
Completed the Master’s Program in Clinical Psychology at Teikyo Heisei University Graduate School

Specializes in transactional analysis, group cognitive behavioral therapy, and return-to-work support programs.