About SJSK Japan

Our founder, Rieko Sonntag, established SJSK K.K. in 1992 to provide Language teaching and intercultural training and consultancy for major international companies in Japan that make our clients successful.
SJSK K.K. is well known in the German community and has built an excellent reputation for its effective, interesting and unique programs.
In today’s economy, success demands action that brings results. Language and intercultural skills are key elements to making this possible.

“Success in Japan requires the ability to get your point across and motivate people into action.” said Rieko Sonntag, President and Founder of SJSK K.K. located in Yokohama, Japan. SJSK K.K. offers several Programs for business professionals in multi-national companies in Japan who whish to expand their skill sets.
Lern more about SJSK K.K. on our official website:
- Business Language Programm (Japanese / English / German / Chinese)
- Business / Daily Life Intercultural Training Program
- Business Solutions in Japan
- SJSK School Programs
Japanisch-Seminar
An oppurtunity for real experience in a new Environment.

