John Acker
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John Acker Email & Phone Number

Environmental Geologist at Sibanye-Stillwater
Location: Livingston, Montana, United States 8 work roles 2 schools
1 work email found @sibanyegold.co.za LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email j****@sibanyegold.co.za
LinkedIn Profile matched
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Current company
Sibanye-Stillwater
Role
Environmental Geologist
Location
Livingston, Montana, United States
Company size
2639 employees

Who is John Acker? Overview

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Quick answer

John Acker is listed as Environmental Geologist at Sibanye-Stillwater, a company with 2639 employees, based in Livingston, Montana, United States. AeroLeads shows a work email signal at sibanyegold.co.za and a matched LinkedIn profile for John Acker.

John Acker previously worked as Environmental Specialist at Sibanye-Stillwater and Staff Geologist at Cgrs Inc. John Acker holds Bachelor Of Arts - Ba, Geology from State University Of New York College At Potsdam.

Company email context

Email format at Sibanye-Stillwater

This section adds company-level context without repeating John Acker's masked contact details.

{first}.{last}@sibanyegold.co.za
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AeroLeads found 1 current-domain work email signal for John Acker. Compare company email patterns before reaching out.

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Profile bio

About John Acker

John Acker is a Environmental Geologist at Sibanye-Stillwater.

Current workplace

John Acker's current company

Company context helps verify the profile and gives searchers a useful next step.

Sibanye-Stillwater
Sibanye-Stillwater
Environmental Geologist
westonaria, gauteng, south africa
Website
sibanyegold.co.za
Employees
2639
AeroLeads page
Company profile
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8 roles

John Acker work experience

A career timeline built from the work history available for this profile.

Environmental Specialist

Current
Sibanye-Stillwater

Mc Leod, Montana, United States

Mar 2022 - Present

Staff Geologist

Cgrs Inc

Fort Collins

May 2018 - Mar 2021

Business Development Associate

Penski Inc Staffing

Potsdam, New York, United States

Nov 2015 - Apr 2016

Invasive Plant Technician/Gis Specialist

Hanson Environmental Inc

Missoula, Montana, United States

Apr 2013 - Nov 2013

Silviculture Technician

U.S. Forest Service

Stevensville, Montana, United States

May 2010 - Oct 2010
Team & coworkers

Colleagues at Sibanye-Stillwater

Other employees you can reach at sibanyegold.co.za. View company contacts for 2639 employees →

AG Allan Gwisai Allan Gwisai Colleague at Sibanye-StillwaterCity Of Johannesburg, Gauteng, South Africa, South Africa View → NO Nthoba Olive Seketema Nthoba Olive Seketema Colleague at Sibanye-StillwaterPretoria, Gauteng, South Africa, South Africa View → TT Tebogo Teleko Tebogo Teleko Colleague at Sibanye-StillwaterCity Of Johannesburg, Gauteng, South Africa, South Africa View → MG Mapelo Gwanya Mapelo Gwanya Colleague at Sibanye-StillwaterGauteng, South Africa, South Africa View → MT Ma-Nosh Thulani Ma-Nosh Thulani Colleague at Sibanye-StillwaterCity Of Johannesburg, Gauteng, South Africa, South Africa View → PL Paulus Letsholo Paulus Letsholo Colleague at Sibanye-StillwaterJohannesburg Metropolitan Area, South Africa View → MM Mitsraim Maluleke Mitsraim Maluleke Colleague at Sibanye-StillwaterRustenburg, North-West, South Africa, South Africa View → KM Kgahliso Mashilo Kgahliso Mashilo Colleague at Sibanye-StillwaterGauteng, South Africa, South Africa View → PV Piet Van Lingen Piet Van Lingen Colleague at Sibanye-StillwaterPolokwane, Limpopo, South Africa, South Africa View → MS Molatlhegi Stander Molatlhegi Stander Colleague at Sibanye-StillwaterJohannesburg, Gauteng, South Africa, South Africa View →
2 education records

John Acker education

FAQ

Frequently asked questions about John Acker

Quick answers generated from the profile data available on this page.

What company does John Acker work for?

John Acker works for Sibanye-Stillwater.

What is John Acker's role at Sibanye-Stillwater?

John Acker is listed as Environmental Geologist at Sibanye-Stillwater.

What is John Acker's email address?

AeroLeads has found 1 work email signal at @sibanyegold.co.za for John Acker at Sibanye-Stillwater.

Where is John Acker based?

John Acker is based in Livingston, Montana, United States while working with Sibanye-Stillwater.

What companies has John Acker worked for?

John Acker has worked for Sibanye-Stillwater, Cgrs Inc, Atlantic Testing Laboratories (Atl), Penski Inc Staffing, and Hanson Environmental Inc.

Who are John Acker's colleagues at Sibanye-Stillwater?

John Acker's colleagues at Sibanye-Stillwater include Allan Gwisai, Nthoba Olive Seketema, Tebogo Teleko, Mapelo Gwanya, and Ma-Nosh Thulani.

How can I contact John Acker?

You can use AeroLeads to view verified contact signals for John Acker at Sibanye-Stillwater, including work email, phone, and LinkedIn data when available.

What schools did John Acker attend?

John Acker holds Bachelor Of Arts - Ba, Geology from State University Of New York College At Potsdam.

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