About Us

A Provider of Sales Training Programs that Create Culture Change

Sales Institute Japan is an organization with roots going back 20 years. Sales Institute Japan (SIJKK) provides all activities, programs and tools necessary to improve the performance of your sales organization.  SIJKK has immediate and long term solutions to resolve problems within your sales organization.

The Executive Team

Ziya Muhamedcani MBA

President & Head Trainer, Sales Institute Japan KK. Ziya began his international business career as a sales rep and sales manager with the Car­nation Company, before moving on to Johnson & Johnson, where he held senior management positions in Sales & Marketing in Japan, the US and Taiwan. Ziya establ ished the Madison Company in 1992, providing sales and marketing con­sulting and training services to companies in Japan, the US and Asia, before launching Sales Institute Japan in 2010 with a focus tailored specifically to the Japanese market. Over the past 20 years Ziya has delivered over 500 classroom training sessions, conducted 1,500+ field training sessions, and coached/ trained in excess of 5,000 sales and marketing personnel. Ziya is fluent in English and Japanese.

Carsten Peter

Advisor, Sales Institute Japan KK. Carsten brings 30+ years of practical, business experience having worked at multinational organizations in Japan, South Korea and Europe. For the past 15 years he has headed up the Japanese organizations of Carl Zeiss Microscopy, Analytik Jena and most recently QIAGEN, serving as President & Representative Director. Carsten, born and raised in Germany, first came to Japan in 1989. He started his professional career in Tokyo and has since held various leadership roles, with focus on Sales, Service, Marketing and Organizational Development. Carsten believes that for any organization to succeed, it is critical to continuously develop employees to a level of excellence, which then becomes a point of differentiation. This is also what he applied as company president for multinational b2b companies in Japan. Carsten is fluent in German, English and Japanese, which enables him to adapt initiatives and programs to a local level while utilizing global and industry specific best practices.

Tetsuo Aoyama

Senior Training Consultant, Sales Institute Japan KK. Tetsuo has spent the past 37 years in senior sales and training leadership positions within the pharmaceutical industry in Japan. Tetsuo has a background with both Japanese and American pharmaceutical manufacturers, including 16 years with Bristol Myres Sqibb Japan (BMSJ), where he held both senior sales management and Sales Force Effectiveness leadership positions. In his role as head of field training at BMSJ, Tetsuo oversaw the development and implementation of company wide “FOJT” field-coaching program which significantly impacted on sales growth for the organization. Tetsuo holds JIPCC (Japan Institute of Professional Career Counselors) certification in coaching.