John Stephens
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John Stephens Email & Phone Number

Group Operational Excellence Manager at HW Richardson Group Ltd
Location: New Zealand 7 work roles 4 schools
1 work email found @riotinto.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email j****@riotinto.com
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Current company
HW Richardson Group Ltd
Role
Group Operational Excellence Manager
Location
New Zealand
Company size
217 employees

Who is John Stephens? Overview

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Quick answer

John Stephens is listed as Group Operational Excellence Manager at HW Richardson Group Ltd, a with 217 employees, based in New Zealand. AeroLeads shows a work email signal at riotinto.com and a matched LinkedIn profile for John Stephens.

John Stephens previously worked as Business Improvement Manager at Hw Richardson Group Ltd and Master Black Belt at Pacific Aluminium. John Stephens holds Diploma Competitve Manufacturing from Nzqa.

Company email context

Email format at HW Richardson Group Ltd

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*@riotinto.com
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AeroLeads found 1 current-domain work email signal for John Stephens. Compare company email patterns before reaching out.

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Profile bio

About John Stephens

Experienced Master Black Belt with a demonstrated history of working in the manufacturing industry. Skilled in DMAIC, DMADV, LEAN, data analytics, training, coaching, continuous improvement, strategic planning, and business process re-engineering. Great at communicating with all levels of the business.

Listed skills include Business Process Re Engineering, Six Sigma, Lean Manufacturing, Value Stream Mapping, and 13 others.

Current workplace

John Stephens's current company

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

HW Richardson Group Ltd
Hw Richardson Group Ltd
Group Operational Excellence Manager
Website
hwr.co.nz
Employees
217
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Company profile
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7 roles · 32 years

John Stephens work experience

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

Group Operational Excellence Manager

Current
Hw Richardson Group Ltd

Invercargill, Southland, New Zealand

Mar 2022 - Present

Master Black Belt

Pacific Aluminium
Jan 2012 - Mar 2020

Master Black Belt

Rio Tinto

Train and develop six sigma green and black belts and Lean advisors and coaches.

Jan 2010 - Mar 2020

Lean Coach

Rio Tinto Alcan
Jan 2007 - Apr 2009

Six Sigma Black Belt

New Zealand Aluminium Smelter
Jan 2005 - Jan 2007

Analyst / Programmer

New Zealand Aluminium Smelter

Developed firmware in C. Developed SCADA infrastructure using iFix. Developed PLC infrastructure using unity.

1995 - 2004 ~9 yrs
Team & coworkers

Colleagues at HW Richardson Group Ltd

Other employees you can reach at hwr.co.nz. View company contacts for 217 employees →

IL Ian Larsen Ian Larsen Colleague at Hw Richardson Group LtdInvercargill, Southland, New Zealand View → KM Korey Manson Korey Manson Colleague at Hw Richardson Group LtdNew Zealand View → CO Carolina Ortiz Carolina Ortiz Colleague at Hw Richardson Group LtdHamilton, Waikato, New Zealand View → SJ Sonya Johnstone Sonya Johnstone Colleague at Hw Richardson Group LtdNew Zealand View → SA Sergio Avila Sergio Avila Colleague at Hw Richardson Group LtdInvercargill, Southland, New Zealand View → YC Yvonne Clarke Yvonne Clarke Colleague at Hw Richardson Group LtdCanterbury, New Zealand View → NL Natalie Lunt Natalie Lunt Colleague at Hw Richardson Group LtdCanterbury, New Zealand View → TR Tessa Roach Tessa Roach Colleague at Hw Richardson Group LtdNew Zealand View → DR Dylan Reeves Dylan Reeves Colleague at Hw Richardson Group LtdNew Zealand View → CW Cameron W. Cameron W. Colleague at Hw Richardson Group LtdWinton, Southland, New Zealand View →
4 education records

John Stephens education

Diploma Competitve Manufacturing

Nzqa

Diploma Information Science

Massey University

Education record

Riccarton High School
FAQ

Frequently asked questions about John Stephens

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

What company does John Stephens work for?

John Stephens works for HW Richardson Group Ltd.

What is John Stephens's role at HW Richardson Group Ltd?

John Stephens is listed as Group Operational Excellence Manager at HW Richardson Group Ltd.

What is John Stephens's email address?

AeroLeads has found 1 work email signal at @riotinto.com for John Stephens at HW Richardson Group Ltd.

Where is John Stephens based?

John Stephens is based in New Zealand while working with HW Richardson Group Ltd.

What companies has John Stephens worked for?

John Stephens has worked for Hw Richardson Group Ltd, Pacific Aluminium, Rio Tinto, Rio Tinto Alcan, and New Zealand Aluminium Smelter.

Who are John Stephens's colleagues at HW Richardson Group Ltd?

John Stephens's colleagues at HW Richardson Group Ltd include Ian Larsen, Korey Manson, Carolina Ortiz, Sonya Johnstone, and Sergio Avila.

How can I contact John Stephens?

You can use AeroLeads to view verified contact signals for John Stephens at HW Richardson Group Ltd, including work email, phone, and LinkedIn data when available.

What schools did John Stephens attend?

John Stephens holds Diploma Competitve Manufacturing from Nzqa.

What skills is John Stephens known for?

John Stephens is listed with skills including Business Process Re Engineering, Six Sigma, Lean Manufacturing, Value Stream Mapping, Theory Of Constraints, Business Process Improvement, Competitive Manufacturing, and Continuous Improvement.

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