Sono Uchiyama

Sono Uchiyama: Email & Phone Number

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Member Board Of Directors-SIGMAXYZ Holdings(取締役/シグマクシス・ホールディングス株式会社) at SIGMAXYZ Group(シグマクシス・グループ)|Tokyo, Tokyo, Japan

Position:

Member Board Of Directors-SIGMAXYZ Holdings(取締役/シグマクシス・ホールディングス株式会社) at SIGMAXYZ Group(シグマクシス・グループ)

Location:

Tokyo, Tokyo, Japan

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Last updated: 2026-06-03
Updated: 2026-06-03

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Work Experience 33 years

Member Board Of Directors-SIGMAXYZ Holdings(取締役/シグマクシス・ホールディングス株式会社) at SIGMAXYZ Group(シグマクシス・グループ)

Jun 2021 - Current

Director, Communication & Capabilities Group at SIGMAXYZ Inc.(シグマクシス)

Apr 2020 - Current

Director, Corporate Communications, and Knowledge Management at SIGMAXYZ Inc.(シグマクシス)

May 2008 - Jan 2022

PR Manager in Tokyo office at RHJ International

Apr 2007 - Jan 2009

Director, Brand and PR management at SoftBank Group Corp.

Apr 2005 - Mar 2007

Director, Communications, at IBM Business Consulting Services Japan at IBM

Apr 1993 - Mar 2004

Sono Uchiyama started working in 1993, then the employee has changed 4 companies and 5 jobs. On average, Sono Uchiyama works for one company for 6 years 7 months.

Sono is proficient in English and Japanese. Their professional focus is Advertising Management, Brand Management, and Change Management across 3 core areas.

Education

Bachelor of Economics at 早稲田大学 / Waseda University

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