Gareth Lash
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Gareth Lash Email & Phone Number

Management Consultant at Eltorito at Trev
Location: Waikato, New Zealand 13 work roles 2 schools
1 work email found @fonterra.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

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Work email g****@fonterra.com
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Current company
Role
Management Consultant at Eltorito
Location
Waikato, New Zealand
Company size

Who is Gareth Lash? Overview

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Quick answer

Gareth Lash is listed as Management Consultant at Eltorito at Trev, a with 5 employees, based in Waikato, New Zealand. AeroLeads shows a work email signal at fonterra.com and a matched LinkedIn profile for Gareth Lash.

Gareth Lash previously worked as Director at Trev and Management Consultant at Eltorito. Gareth Lash holds B.Com. (Honours), Economics from University Of Otago.

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Email format at Trev

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{first}.{last}@fonterra.com
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Profile bio

About Gareth Lash

Gareth is a director and consultant at Eltorito, providing business management services to primary industry organisations. He has had experience with large scale global businesses in New Zealand (Fonterra and Coca-Cola) and the United Kingdom (Sainsbury’s and GSK), as well as in the Forecasting and Modelling Team in New Zealand’s largest Government organisation (Ministry of Social Development). Recently he has had a variety of roles at Fonterra where he was able to combine his passion for agriculture with his economics and analytical expertise, most recently as the General Manager of the Optimisation Team within Sales and Operations Planning (S&OP). Originally from Mid-Canterbury, Gareth had a sheep and arable farming upbringing before studying Economics and Finance at Otago University (B. Com. Hons. – Economics).

Listed skills include Forecasting, Dairy, Finance, Stakeholder Management, and 14 others.

Current workplace

Gareth Lash's current company

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Trev
Trev
Management Consultant at Eltorito
Website
Employees
5
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13 roles

Gareth Lash work experience

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

Director

Current

Waikato, New Zealand

Apr 2019 - Present

Management Consultant

Current

Ngatea

From one-off projects to managing ongoing needs, Eltorito provides specialised business management solutions for primary industry organisations, including business plan development, financial performance analysis and operational dashboard reporting.www.eltorito.co.nz

Aug 2016 - Present

Gm Optimisation

- Responsible for the delivery of the optimised Sales Allocation Plan and optimised Global Ingredients Production Plan that maximises the value from every drop of the 18 billion litres Fonterra collects in New Zealand and processes across its 29 sites. - Responsible for ensuring Global Dairy Trade (GDT) volumes balance the optimised revenue objective with long term channel stability delivering credibility in the eyes of customers, financial institutions supporting futures markets, and a trusted reference underpinning Fonterra’s Milk Price and capital structure. - Responsible for leading the S&OP sub-stream as part of Fonterra’s Velocity business transformation, ensuring delivery of recurring and one-time targets to deliver incremental value to shareholders. - Responsible for leading, developing and talent management of the Optimisation Team. A member of the Sales & Operations Planning Leadership team, contributing to the team direction and culture.

Mar 2015 - Aug 2016

Global Ingredients Optimisation Manager

- Fonterra has invested in a portfolio of globally sourced products to drive valuable demand opportunities and complement its NZ sourced product offering, in line with Fonterra’s V3 Strategy to - The core responsibility of the role (newly created) was managing the optimal allocation of Fonterra’s globally sourced portfolio of ingredients products. - This included establishing a process to consolidate the globally sourced supply availability; including supply, inventory, and sales plan changes.- From this identify global optimisation opportunities across the different product origins, including global ingredients demand opportunities and supply allocations substitutable with globally sourced supply.

Nov 2014 - Mar 2015

Commercial Manager - Milk Supply

New Zealand

Responsible for the development of competitive supply schemes that provide compelling supply options for farmers in a competitive marketKey commercial partner to the Milk Supply Team as well as the wider Co-operative Affairs business unit Oversight & people leadership of the NZ milk supply forecasting functionOversight and enhancement of the milk payments framework, including providing support and recommendations to a Fonterra Board sub-committeeSignificant involvement with the education of farmers & rural professionals for Trading Among Farmers, including presentations to large groups of these stakeholders throughout NZ.

Aug 2012 - Oct 2014

Milk Price Manager (Secondment)

New Zealand

Responsible for the preparation and coordination/management of the opening forecast F14 Milk Price around a time of high volatility in the market This involved engaging with a number of key stakeholders including the CEO, CFO and the Milk Price Panel (which includes Fonterra Directors) Responsible for the ongoing monitoring/management of the F13 Milk Price forecastPeople leadership of the Milk Price Analyst

Apr 2013 - Jun 2013

Milk Payments Manager

Oversight & people leadership of the NZ milk supply forecasting functionProvided insightful analysis to a subcommittee of the Fonterra Board to support the development of milk payment signalsSignificantly involved with the development of milk supply schemes that provided compelling supply options for farmers in a competitive marketAccumulated competitor intelligence and provided insight on Fonterra's milk sourcing strategy. Supported the implementation of the Trading Among Farmers platform through analysis and insight.

Jan 2011 - Aug 2012

Milk Payments Analyst

Auckland

Worked on the development of milk supply schemes consistent with Fonterra's principlesAccumulated competitor intelligence and insightProvided insightful analysis to a Board sub-committee to support the development of milk payment signalsSupported the implementation of capital structure changes through analysis and insight

Feb 2009 - Dec 2010

Marketing Investment Analyst

New Zealand

Responsible for monitoring Coca-Cola Oceania’s marketing spend and supporting Marketing Account ManagersCompleted month end accounting tasks including posting accruals and year-to-go forecastingReviewed actual spend with Marketing Account Managers and Marketing and Commercial Finance ManagerReported on budgeted and actual spend to Coca-Cola Australia

Jul 2008 - Jan 2009

Sector Analyst – Nutritional Healthcare Commercial Finance

Gsk

Responsible for month end reporting on trade funds for Lucozade, Ribena and Horlicks productsReviewed channel operating performance with National Account Managers and Business Unit Managers Returned confidence to stakeholders in the integrity of financial information by improving data quality and accuracy of reporting

Feb 2008 - Apr 2008

Operational Performance Analyst – Retail Finance

Produced robust daily, weekly, and periodical reports on Sainsbury’s sales, waste, labour and shrinkage performance – communicated widely including to the CEO, CFO and DirectorsInitiated changes in data quality and integrity of reporting, and drove change in reporting processesReinvigorated spreadsheets and reporting methods to simplify and improve reporting practicesFacilitated transition of team from temporary staff to a team of permanent employees, including training new staff for the role and developing new desktop manuals to aid the new appointees in their own development.

Apr 2007 - Feb 2008

Technical Accountant – Improvements Team And Finance Team

United Kingdom

Responsible for the development and streamlining of monthly budget monitoring process Budget setting – salary calculations and development of budget setting templatesProvided technical support primarily in Excel, improving and streamlining budget-monitoring processes. This progressed to include training members of the Finance team to implement the new monitoring processes and improve on the usefulness of information.

Nov 2006 - Mar 2007

Analyst – Forecasting And Modelling Team

New Zealand

Developed models to quantify the social and fiscal impacts of policy proposals – significant amount of work modeling the Government’s ‘Working for Families’ programmeForecasted the demand for social welfare payments and Crown expenditure using a range of statistical, econometric and judgmental techniquesProvided monthly monitoring reports on forecasts, explaining deviations from forecast, exploring reasons for emerging trends and giving estimates for the expected full year resultsAnswered queries from Ministers and other Government Departments/Ministries

May 2004 - Apr 2006
Team & coworkers

Colleagues at Trev

Other employees you can reach at mytrev.com. View company contacts for 5 employees →

2 education records

Gareth Lash education

Education record

Ashburton College
FAQ

Frequently asked questions about Gareth Lash

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

What company does Gareth Lash work for?

Gareth Lash works for Trev.

What is Gareth Lash's role at Trev?

Gareth Lash is listed as Management Consultant at Eltorito at Trev.

What is Gareth Lash's email address?

AeroLeads has found 1 work email signal at @fonterra.com for Gareth Lash at Trev.

Where is Gareth Lash based?

Gareth Lash is based in Waikato, New Zealand while working with Trev.

What companies has Gareth Lash worked for?

Gareth Lash has worked for Trev, Eltorito, Fonterra, The Coca-Cola Company, and Gsk.

Who are Gareth Lash's colleagues at Trev?

Gareth Lash's colleagues at Trev include Tim Loos, Fyr Reswa, Brenna Townshend, Ijaz Sheikh Butt, and Chantelle Tambourlas.

How can I contact Gareth Lash?

You can use AeroLeads to view verified contact signals for Gareth Lash at Trev, including work email, phone, and LinkedIn data when available.

What schools did Gareth Lash attend?

Gareth Lash holds B.Com. (Honours), Economics from University Of Otago.

What skills is Gareth Lash known for?

Gareth Lash is listed with skills including Forecasting, Dairy, Finance, Stakeholder Management, Fmcg, Business Analysis, Investments, and Leadership.

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