Yoko N., PhD, Partner

yokoYoko is a publicly certified translator (Germany), a sworn interpreter (Canton of Zurich Public Prosecution Dpt.) for German and Japanese, and is lecturer of Japanese at the University of St. Gallen and Bern. Yoko has previously worked with top Japanese media companies in Vienna/Austria for more than 10 years (Kyodo News Agency, TBS Television, Asahi Newspaper). As an experienced interpreter for German she has worked in a wide variety of settings. Yoko has been living in German-speaking countries since the age of 10. She is a truly bilingual language professional.

Chizuko M., Partner

ChizukoChizuko is an experienced journalist and a published author. As a fully trained English and Japanese simultaneous and consecutive interpreter, she has contracted for a wide range of political, business, and media fields. Chizuko also provides document translation of business and legal documents. Chizuko holds a BA from International Christian University in Tokyo/Japan. Based in Lausanne/Switzerland, Chizuko works in Europe and the United States and travels as the need requires.   

 Urs H., Expert Banking & Finance


Urs has a track record of more than 10 years as Relationship Manager and Team Head at the Private Banking Japan Desk of one of Switzerland's big banks. With a Master’s Degree in Japanese Studies and several years of experience on the ground in Japan, Urs disposes of a unique blend of language skills and financial expertise. Since his 2014 election to the city council of Zurich, he continues to work as an advisor to his former employer. As an accredited  interpreter for Japanese at the Canton of Zurich , Urs is a sought-after expert for legal affairs in banking and finance.

 Keiko S., Expert Medical Care & Devices

keikoKeiko has been living in Switzerland since the age of 13. After graduating from a Zurich-based High School, she studied medicine in Fribourg, Lausanne, and in Zurich. Having accumulated professional experience as a pediatrician both in a Zurich hospital and in a private practice, Keiko is one of the very few expert that provide specialized interpretation in the field of medical care, medical devices, and pharmaceuticals. Her working languages include Japanese, German, English and French.

 George B., Expert Business & Economics

georgGeorge holds a PhD degree in in Economics (Hohenheim), an MSc in International Management (St. Gallen) and a Masters degree in Japanese studies (Heidelberg). He currently teaches business and economics of Japan at the University of St. Gallen and the University of Zurich. Through his experience as a management consultant with McKinsey&Company (2004-2007), he combines business knowhow with excellent communication skills. This makes him a highly versatile interpreter also in demanding situations such as multiple source or target languages, conflict mediation, and competitive pitches. His working languages include Japanese, English, German, and French.

 Yoko B., Senior Associate

yokoBYoko graduated from Tokyo's prestigious Chuo University with a BA in French Literature. During the 1980’s she worked for Swiss and Japanese financial institutions in Geneva. Since relocating to the Italian-speaking part of Switzerland (Lugano) in the late 1990s, Yoko works as a translator and interpreter for Italian, French, English, and Japanese for a wide variety of clients including the cantonal government of Ticino. She is currently president of the Ticino chapter of the Swiss Japanese Society.

  Jun V., Senior Associate 

JunJun grew up in a Japanese-French family in Paris and its region. After graduating from Paris XII University with a Masters degree in philosophy and obtaining a drama diploma from Conservatoire National de Région Saint Maur, Jun specializes as a professional audiovisual production manager since the late 1990ies. With an impressive track record of more than 50 projects for Japanese public television provider NHK and other major media outlets, Jun is a highly experienced production manager. Jun also provides interpretation services specializing in the areas of fashion and communications. She is also a sought-after translator with rights to all Japanese works published by Editions Milan and P’tit Glénat. Jun’s working languages include Japanese, French, German and English.

 Chihaya K., Associate

ChihayaChihaya has been working for many years as a journalist with Swissinfo, a government-run news agency. She has gained great experience as a translator contributing to the translation of five books published in Japanese. Chihaya currently works as a translator and interpreter in a variety of industries and situations including commercial negotiations, factory visits and technical documentations. Chihaya graduated from the junior college of Nihon University.

 Felix H., Associate

FelixFelix has gathered strong academic experience in Swiss, German and Japanese universities with the Institute of Asian and Oriental Studies at the University of Zurich from 2012 to 2017 being his most recent experience. Felix provides translation, interpretation, research and coaching in the fields of language and culture, media, journalism and travel. He is fluent in German, Japanese and English.

Yumi O., Junior Associate

yumiYumi grew up in the Greater Tokyo Area and went to college at Gakushuin University. After obtaining a bachelors degree she moved on to German where she enroled in a masters program for Museum Studies at HTW Berlin. Already during her studies she started to gather substantial experience as an interpreter for Japanese exhibitors at trade fairs all over Germany. Since 2017 she has been a member of an IT project team with a German global player in Berlin. At Optolingua Yumi conducts research and survey activities and continues to broaden her experience with interpretation at trade fairs. Her working languages include English, German, and Japanese.

Diana B., Junior Associate


Diana grew up in a Japanese-Swiss family in the Italian-speaking Ticino region of Switzerland. While studying at Zurich University, she has additionally acquired  an excellent command of German. After her graduation, Diana has transferred to Japan and currently works on translations from Japanese, German and French into Italian and provides interpreting services for a variety of industries.

 Ayuko H., German Office Manager

ayukoGrowing up in a Japanese-German family, Ayuko naturally developed bilingual language skills in both languages. Additional to these, she obtained a graduate degree in Translation Studies from the University of Bonn. To date, Ayuko has over 10 years of experience working as a translator and interpreter for German, Japanese and English on various assignments including challenging situations and highly specific contexts such as negotiations in the automotive and related industries. Ayuko has also been assigned as a project interpreter and translator at major industrial companies.

  Rumi O., Vienna Office Manager

rumiRumi runs Optolingua’s Austria Office based in Vienna. Growing up in a German-Japanese family in Tokyo and Vienna, she became immersed in a bilingual environment already during her early childhood days. Majoring in Japanese Studies at the University of Vienna she was later able to refine her command of Japanese. She has since acquired valuable experience working with Japanese media companies in Vienna such as Asahi Shimbun and Nikkei Shimbun and has assisted numerous TV productions. Rumi also works as an interpreter during business negotiations and conferences from and to German, English, and Japanese. 

Yumiko N., Yokohama Office Manager


Yumiko runs optolingua's Yokohama satellite office, works on German-language translation and research tasks. Yumiko has lived in Germany for several years and is a professional researcher.