Management Team

Plimpton, JJack Plimpton, President

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Japan Entry is built upon the leadership of founder, Jack Plimpton, former General Manager of Lotus Development Japan, a start-up he developed into a 35-person organization with $10 million in first-year revenues. Lotus Japan went on to sell 20% of the total worldwide volume of Lotus Notes throughout the 1990′s. Mr. Plimpton is completely bilingual in spoken/written Japanese. He holds an MBA from Stanford University, studied at Tohoku University on a Rotary Scholarship, and graduated summa cum laude, Phi Beta Kappa, from Harvard College.



Sumitani photo 090512bKen Sumitani, Japan President

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Ken Sumitani serves as Japan President with responsibility for overall direction and executive recruitment projects. Prior to joining Japan Entry’s consulting team, Mr. Sumitani was Vice President in charge of the 70-person Executive Search Division, Recruit Human Resources Center. During his tenure at Recruit, he established and managed its Los Angeles-based subsidiary. Mr. Sumitani graduated with a degree in economics from Keio University.




William Lohse, Board of Advisors

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William Lohse serves as an advisor to Japan Entry. He has been an angel investor since 1990. In addition, Mr. Lohse previously was CEO of Softbank Expos where he grew revenues to $200M. He was President of Ziff-Davis Publishing and managed 1,800 employees with revenues of $350M. Previously, he founded Breakthrough Software which was later acquired by Symantec.