Herbert Kumer: Email & Phone Number

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HSE Supervisor at PT. Yastra Energy|Kota Medan, North Sumatra, Indonesia

Position:

HSE Supervisor at PT. Yastra Energy

Location:

Kota Medan, North Sumatra, Indonesia

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Last updated: 2026-08-13

Updated: 2026-08-13

Found email addresses for Herbert Kumer:

Business emails:

g*********************r@gmail.com

Found phone for Herbert Kumer:

+62-***-***-7562

A different Herbert Kumer?

Work Experience 7 years

HSE Supervisor at PT. Yastra Energy

Nov 2024 - Current

Safety Inspection & Compliance at PT Gane Tambang Sentosa (Harita Group)

Jan 2023 - Nov 2024

HSE Supervisor at PT Tri Putra Erguna

Jul 2021 - Jan 2023

Project Health Safety Environment at PT Mitra Purnama Engineering

May 2021 - Jul 2021

Sr. EHS Officer at SURI TANI PEMUKA, PT

Jan 2021 - May 2021

HSE Officer at PT Hasta Prajatama

Jan 2019 - Jan 2021

Herbert Kumer started working in 2019, then the employee has changed 5 companies and 4 jobs. On average, Herbert Kumer works for one company for 1 year 3 months.

Their professional focus is Adobe Photoshop, Auditing, and Data Analysis across 3 core areas.

Herbert holds Penanggung Jawab Pengendalian Pencemaran Udara, TOT Level 4, and Auditor SMKP certifications.

Education

Sarjana at Universitas Sumatera Utara

Frequently Asked Questions

What is Herbert Kumer's email address?

SignalHire found a verified business email address for Herbert Kumer: g*********************r@gmail.com.

What is Herbert Kumer's phone number?

SignalHire found a verified phone number for Herbert Kumer: +62-***-***-7562.

How do I contact Herbert Kumer at PT. Yastra Energy?

You can reach Herbert Kumer 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 Herbert Kumer's professional background?

Herbert Kumer has 7 years of professional experience. They have held roles including Safety Inspection & Compliance, HSE Supervisor, and Project Health Safety Environment at companies such as PT Gane Tambang Sentosa (Harita Group), PT Tri Putra Erguna, and PT Mitra Purnama Engineering. Their education includes Sarjana from Universitas Sumatera Utara.

Is Herbert Kumer's contact information up to date?

Yes. Herbert Kumer's SignalHire profile was last updated on 13 August 2026, reflecting their current position as HSE Supervisor at PT. Yastra Energy in Desa Lemo, Kalimantan Tengah, Indonesia.

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