TPO’s strengths are the diverse, passionate and skilled people.

We value a highly personal and unique service.




  • Founder & CEO
    Mariko Magnan

    Mariko founded Japan’s first corporate concierge firm in 2016, after working for companies such as Goldman Sachs. She is devoted to bringing diversity in the workplace, and to helping employees fulfill their personal and professional lives whilst improving happiness at work. Mariko holds a BA from Hitotsubashi University, and an MS from HEC business school in Paris. She also serves as a council member for UWC ISAK Japan.

  • Chief Service Officer
    Taisuke Yokoi

    After receiving a bachelor’s degree in Law from Hosei University, Taisuke worked as a sales manager at an HR service firm. He later joined an Employee Assistance Program service firm, consulting and conducting seminars to support the well-being of employees in both domestic and international companies of various sizes, as well as public offices. He also has experience creating and executing mental health management and communication programs. On his days off, Taisuke enjoys playing and watching basketball.

  • Chief Branding and Culture Officer
    Yumiko Tanaka 

    Yumiko spent her early childhood in the States, and then was educated in Japan, apart from a year spent as an exchange student in Denmark during high school. After graduating from Keio University, she pursued a career at Bang & Olufsen as CRM manager for the Asia Pacific region, assistant to the Country Manager and Marketing and PR Manager for Japan. Her two children keep her busy, but having a passion for design and craftsmanship, she finds happiness in roaming the main and back streets of Tokyo in quest for inspiring shops, products and experiences. 

  • Chief Strategy Officer
    Jesse Palmer

    Jesse grew up in rural Virginia, on the east coast of the United States, before moving to study at Stanford University. Jesse has conducted synthetic biology research at NASA Ames Research Center, worked as a strategy consultant in the biotech industry, and even had a go at inventing games and toys. He has also spent many summers in Karuizawa, at UWC ISAK Japan, including three years as Summer School Director. Jesse believes that joy comes from experiences of discovery and challenge, and finds happiness in playing, creating, and sharing ideas.

  • Advisor to CEO
    Jacques Magnan

    Born in Marseille, Jacques holds an Engineering degree from the Ecole des Mines in Paris. He then pursued a career in derivatives trading for 15 years, working for investment banks such as  JP Morgan and Morgan Stanley in both Tokyo and New York. For TPO he’s bringing his experience as an advisor to the CEO and supports IT and finance. Jacques is also a founder of UWC ISAK Japan. He finds joy and happiness spending time with his family and diving under water.

  • Yukiko Kuriyama

    Inspired by the wonderful time Kuriyama had in Barcelona, she decided to major Hispanic studies at university. After graduation, she became a reporter and she had many exciting experiences such as broadcasting news while doing skydiving or trying to perform on the trapeze, etc. She is also a certified hair colorist, and she enjoys coordinating her family’s outfits. She is head over heels in love with requests that demands more time and energy such as childcare.

  • Atsushi Takeda

    Atsushi is raised in Tokyo. After graduating from university, he took on several outdoor activities jobs both in Japan and overseas. He has also explored the seas, mountains, and rivers of Japan by working as a field guide. He is still engaged in canoeing through the islands and his goal is to canoe 1000 km to the Ogasawara Islands in 2020. He enjoys sports, outdoor activities in general, and traditional culture. When it comes to nature, leave it to him!

  • Minami Tanaka

    In university, Minami was immersed in TV production training as her dream was to work for the TV-industry. She also worked as a copywriter at a radio commercial production company for 7 years. Afterward, she worked as a remote writer, a staff of an antique shop, elementary and junior high school librarian, nursery school staff, retirees, nursing care insurance facility, etc. She is obsessed with golf and her handicap is 10. Her goal is to achieve a high ranking in the amateur league of the prefecture where she lives. No pain, no gain!

  • Naho Sakamoto

    You could call Naho amphibious, but even then she would say amphibians do not spend as much time in the water as she has the past 22 years. She carefully crafted her routine of swim practice from morning until night, every day of the week. She learned what it means to have a dream, and the joy in teaching others. So for whomever may need guidance about their children’s extracurricular athletics, she cannot wait to help!

  • Yuka Kimura

    Yuka spent her adolescence in Beijing, China. Ever since, she has been fascinated by the joy of experiencing different cultures. She used to work for a European airline as a flight attendant, flying back and forth between Europe and Japan. Her favorite destinations, though, are Bali and Bangkok. She loves food, and her nickname is "captain food" because she does so much research on restaurants while traveling. If you are planning a trip abroad, she would love to help you!


TPO’s global research network is the backbone of our YourConcierge proposals.

Our researchers located, domestically in Japan and overseas, work together with our concierges to suggest the best options and solutions. This way we incorporate different perspectives and utilize all the areas of expertise we have to maximize your happiness.


We Are Hiring! Please click the link for details (in Japanese only).