Thomas Karsten: Email & Phone Number

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Engineering Manager at Fast Retailing|Tokyo, Tokyo, Japan

Position:

Engineering Manager at Fast Retailing

Location:

Tokyo, Tokyo, Japan

View Thomas Karsten's Email

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Last updated: 2026-07-15

Updated: 2026-07-15

Found email addresses for Thomas Karsten:

Business emails:

t************n@fastretailing.com

Personal emails:

t************n@gmx.de

Found phone for Thomas Karsten:

+81-***-***-6412

A different Thomas Karsten?

Work Experience 25 years

Engineering Manager at Fast Retailing

Mar 2017 - Current

Full Stack Engineer at Fast Retailing

Nov 2015 - Feb 2017

Senior Web Developer at Rakuten

Dec 2013 - Nov 2015

Market Data Support Engineer at LSEG TORA

Oct 2010 - Nov 2013

Development Manager at The NetCircle

Mar 2006 - Sep 2010

Graduand at TÜV Rheinland/Berlin

Apr 2005 - Oct 2005

Intern at TÜV Rheinland/Berlin

Oct 2003 - Apr 2004

Intern at Siemens Carrier Networks

Feb 2001 - Jun 2001

Thomas Karsten started working in 2001, then the employee has changed 5 companies and 6 jobs. On average, Thomas Karsten works for one company for 2 years 8 months.

Thomas is proficient in Chinese, English, and German. Their professional focus is Agile Project Management, Amazon Web Services (AWS), and C++ across 3 core areas.

Thomas holds Japanese Language Proficiency Test, Level N3, Private Pilot License Japan, and Private Pilot License JAR-FCL certifications.

Education

Diploma at Hochschule Niederrhein

Associate Engineer at Siemens Technik Akademie Düsseldorf

Frequently Asked Questions

What is Thomas Karsten's email address?

SignalHire found verified email addresses for Thomas Karsten, both business and personal. Their business email is t************n@fastretailing.com, and personal emails include t************n@gmx.de.

What is Thomas Karsten's phone number?

SignalHire found a verified phone number for Thomas Karsten: +81-***-***-6412.

How do I contact Thomas Karsten at Fast Retailing?

You can reach Thomas Karsten through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Thomas Karsten's professional background?

Thomas Karsten has 25 years of professional experience. They have held roles including Full Stack Engineer, Senior Web Developer, and Market Data Support Engineer at companies such as Fast Retailing, Rakuten, and LSEG TORA. Their education includes Diploma from Hochschule Niederrhein, and Associate Engineer from Siemens Technik Akademie Düsseldorf.

Is Thomas Karsten's contact information up to date?

Yes. Thomas Karsten's SignalHire profile was last updated on 15 July 2026, reflecting their current position as Engineering Manager at Fast Retailing in Tokyo, Japan.

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