Miki Otsuka, chairman of the board

Miki Otsuka
Chairman of the board

Miki Otsuka was born on January 16, 1964 in Hyogo prefecture. In 1986, she graduated  from the Department of English Studies, Kobe City University of Foreign Studies. In 2009, she completed her Graduate School of Business Administration from Kobe University. Miki Otsuka joined WDB in 1986 where she assisted in translation work as a career coordinator in sales and branch operations. In 1995, Miki Otsuka was certified as a licensed social insurance worker. She was appointed the director of the company in 1997 and senior managing director in 2000. She has also published the book “Work and the Art of Developing Self-Confidence in Temporary Workers” (CHUOKEIZAI-SHA, INC.) in 2000. In March 2017, Miki Otsuka was appointed the Chairman of the Board of Oy Medfiles Ltd.


Tuija Keinonen, PhD (Pharm), member of the boardTuija Keinonen, PhD (Pharm)
Member of the board

Tuija Keinonen has been the CEO of Medfiles Ltd between 1999 and 2005 and then the CEO of Medfiles Group since 2005. She has over 20 years’ experience in contract research business and its establishment. She has now led Medfiles Ltd and been the member of the board for over 14 years. Before this position Tuija Keinonen was Medfiles’ clinical research director (and 4 years the quality director responsible for establishment of the company’s quality system). Before Medfiles she worked as a deputy pharmacist in charge of a hospital pharmacy (Vaajasalo hospital) and project researcher (pharmaceutical chemistry) at the University of Kuopio. In 2003, Tuija Keinonen defended her doctoral dissertation (Clinical Drug Trials in Finland: Quality and Characteristics) on pharmacology and toxicology at the University of Kuopio.

She has published scientific articles on clinical trials and pharmaceutical chemistry. Furthermore, Tuija Keinonen led for over 3 years a contract manufacturing organization, Medipharmia Finland Ltd, a former subsidiary to Medfiles Group (the former Medikalla Group). She has experience in business acquisitions and business integration. She holds several positions of trust both in the private and public sector as well as board memberships. She is a frequently invited speaker at courses and seminars. Tuija Keinonen has also been an Estonian honorary consul (appointed by Ministry of Foreign Affairs of Estonia) since 2012.


Masahiro Yoneda
Member of the board

Masahiro Yoneda was born on December 29, 1976. He joined WDB in 2000 and since then has been engaged in various sales and marketing activities. Masahiro Yoneda has an experience of 14 years as a Branch Manger. In addition, he has experience of working in human resources management with large Japanese pharmaceutical companies in their laboratory services. Moreover, Masahiro Yoneda has expertise in sales and marketing. In March 2017, Masahiro Yoneda was appointed the Executive Vice President of Oy Medfiles Ltd.



Kenichi Onuma, member of the boardKenichi Onuma
Member of the board

Kenichi Onuma was born on April 6, 1961 in Tokyo. In 1985, he graduated from the University of Tokyo, BA in economics. He completed MBA from the Graduate School of Business, the University of Texas at Austin in 1993 . Kenichi Onuma joined WDB Holdings in 2016. Before WDB, he worked for Fujitsu Limited and held various managerial positions, such as Head of CTO Office, General Manager of Global Product Business Operations, Executive Assistant to the President, and Treasurer & Strategic Director at Fujitsu PC Corporation in California/USA. In March 2017, Kenichi Onuma was appointed as the Member of the board of Oy Medfiles Ltd.