Tetsuya Mashima: Email & Phone Number

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Premier Support Engineer at Datadog|Tokyo, Tokyo, Japan

Position:

Premier Support Engineer at Datadog

Location:

Tokyo, Tokyo, Japan

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Last updated: 2026-07-02

Updated: 2026-07-02

Found email addresses for Tetsuya Mashima:

Business emails:

t*************a@datadoghq.com

Personal emails:

m*************0@gmail.com

Found phone for Tetsuya Mashima:

+81-***-***-1001

A different Tetsuya Mashima?

Work Experience 6 years

Premier Support Engineer at Datadog

May 2025 - Current

Technical Support Engineer 2 at Datadog

Mar 2025 - May 2025

Technical Support Engineer 1 at Datadog

Mar 2024 - Mar 2025

Associate Director at Daiwa Institute of Research

Jun 2023 - Feb 2024

Staff at Daiwa Institute of Research

Apr 2020 - May 2023

Tetsuya Mashima started working in 2020, then the employee has changed 1 company and 4 jobs. On average, Tetsuya Mashima works for one company for 1 year 3 months.

Tetsuya is proficient in English and 日本語. Their professional focus is Datadog, Kubernetes, and Observability and monitoring across 3 core areas.

Education

Master of Engineering - MEng at Keio University (慶應義塾大学)

Bachelor of Engineering - BE at Keio University (慶應義塾大学)

College of Engineering at University of Notre Dame

Frequently Asked Questions

What is Tetsuya Mashima's email address?

SignalHire found verified email addresses for Tetsuya Mashima, both business and personal. Their business email is t*************a@datadoghq.com, and personal emails include m*************0@gmail.com.

What is Tetsuya Mashima's phone number?

SignalHire found a verified phone number for Tetsuya Mashima: +81-***-***-1001.

How do I contact Tetsuya Mashima at Datadog?

You can reach Tetsuya Mashima 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 Tetsuya Mashima's professional background?

Tetsuya Mashima has 6 years of professional experience. They have held roles including Technical Support Engineer 2, Technical Support Engineer 1, and Associate Director at companies such as Datadog, Datadog, and Daiwa Institute of Research. Their education includes Master of Engineering - MEng from Keio University (慶應義塾大学), and Bachelor of Engineering - BE from Keio University (慶應義塾大学).

Is Tetsuya Mashima's contact information up to date?

Yes. Tetsuya Mashima's SignalHire profile was last updated on 2 July 2026, reflecting their current position as Premier Support Engineer at Datadog in New York, NY, United States.

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