Melbourne, VIC
+61 3 9898 1755

Our Team

Executive Team and Support

Gerald Whittle


Experience CFO, Accountant, business and change management. Thought leader on the Money Mining methodology and associated optimisation techniques. Facilitator of Money Mining training and workshops. Previously worked for DHL and General Motors Australia.

Since 2001, 15 years MD of WC

  • Over 30 years of experience in business planning, analysis and change management
  • Over the last 15 years, has worked closely with Jeff Whittle, the originator of Whittle Mining Optimisation Software

Jeff Whittle
Technical Director


Jeff trained as an experimental physicist but started to program in 1962 and now calls himself a Computerist. He became involved with the mining industry in 1979.

In 1984 he and his wife Ruth started Whittle Programming Pty Ltd and he wrote the first of the Whittle optimization packages. Over the next sixteen years he developed a series of mining optimization packages before the company was sold to Gemcom Software International who now market the Gemcom-Whittle optimization software worldwide.

In about 2000 Jeff started to work on mine scheduling optimization software. Continuous development of this software has resulted in the Prober series of optimizers used by Whittle Consulting. He continues to work on this software.

Jeff is a fellow of both AusIMM and the Australian Computer Society.

John Baillie
Global Consulting Manager


18 years of experience in mining and minerals; processing, operations, projects and corporate environments, modelling and strategic planning.
Previously worked for BHP Billiton, WMC Resources and BHP Coal.

Joined Whittle in 2008

  • Oversees consulting services for all regions and provides a centre of excellence for Whittle methodology and techniques
  • Involved with ongoing development to organisation resources

Stewart Howe
Chairman (Non-executive)


Stewart has been a part-owner of Whittle Consulting for 5 years and a director of the company over the past 2 years. He shares the founders’ passion to see Whittle Consulting’s optimisation philosophy applied throughout the global mining industry to generate step changes in the cash flow of mining businesses and wealth for their owners. While his professional background is in engineering, today Stewart is a “money engineer” who is primarily involved in company restructuring and acquisition due diligence in the natural resource industries, plus non-executive directorships.

Stewart has 35 years of experience in the global oil & gas and mining industries in executive management, operations, restructuring and mergers & acquisition roles. As Chief Development Officer of zinc miner Zinifex he led that company’s strategic planning, reinstated its exploration capability and commenced development studies on projects like Dugald River. His career with BP was focused on executive management particularly of downstream processing businesses that applied financial optimisation tools for strategic and operations planning.

Mike Mutchler

Toronto, Canada

Mining Engineer, MBA and Executive Juris Doctorate Degree Over 30 years of experience in both underground and open-pit mine operations and project development. Strong advocate of resource planning optimisation. 3 times a customer of Whittle, now part of the team.

Joined Whittle in 2016

  • Previous mine operations positions: Engineer, superintendent, Manager General Manager, Vice President and Chief Operating Officer

Mark Jones


Fellow of the Institute of Chartered Accountants, pursuing Masters in Philosophy in Sustainable Mineral Beneficiation. Thought leader on optimising strategic mine plans. Previously a Partner at PwC in Amsterdam

Joined Whittle in 2009

  • Responsible for the Australian, Asian and African clients
  • Works closely with clients, their investors, project financiers and alliance partners to provide maximum advantage of the latest proven technologies

Amanda Theodorou
Commercial Manager


Sales Support and administration management. Provides support to the management ream worldwide. Responsible for financial reporting and contract management Works closely with Marketing and Financial Managers.

Joined Whittle in 2016

  • Experience in project support and CRM analysis within software and IT industries
  • 10 years’ experience in sales support and administration management

Stephanie Jones
Marketing Manager


Marketing, communications and client relationship management. Has over 13 years of experience in the Marketing and Events industry, successfully delivering a wide range of events. Previously worked for Happenings Australia.

Joined Whittle in 2011

  • Manages Whittle Consulting’s money mining seminars worldwide
  • Global co-ordination of industry conferences, media/press releases, social media, branding, advertising and website development

Regional Managers

Philip Bangerter
Regional Manager Australasia


Mineral Process Engineer. SUSOP specialist. 15 years of Technical Sales experience in mineral process equipment and technology commercialisation roles

Joined Whittle in 2016

  • EPCM study management experience of 15 years with Hatch

Rich Peevers
Regional Manager North America

California, USA

Geologist, MBA and Engineer. Manages Enterprise Optimisation projects in North and South America. Has 20 years’ experience in precious metals mining in Northern Nevada.

Joined Whittle in 2011

  • Actively involved in business development in the Americas
  • Has managed copper, gold and nickel optimisation studies for Whittle

Matthew Dorman
Regional Manager Latin America

Santiago, Chile

Metallurgist, Project Manager, Engineer and corporate manager. Has over 30 years’ international experience in the M&M sector covering full range of technical management of projects and operations.

Joined Whittle in 2013

  • Successfully completed 4 positive enterprise optimisation studies in the 2013 period
  • Previously formed own boutique project management and corporate advisory company
  • Guided PLCs through project development and operational optimisation strategies throughout South America

Ivonne Villafana
Associate Consultant

Lima, Peru

Expertise in financial modelling, cost estimating planning and control, analysis of business processes. Brings 17 years of experience working with international offices in mining consultancy, paper industry and services Previously worked for Runge Latin America and Kinross Chile.

Joined Whittle in 2013

  • Experience of business management with various Chilean firms
  • Finance & Adminstration Manager in Peru
  • Works to generate opportunities to promote Whittle’s services and supports the organisation of Latin America events

Technical Team

Lewis Tota
Technical Services Manager


Civil Engineer working in Asset Management and Hydraulic Modelling. Has over experience of programming and database work spanning over 20 years.

Joined Whittle in 2004

  • Manages highly trained team of technical specialists
  • Technical and Enterprise Optimisation specialist
  • Has developed highly efficient tools, systems and data analysis techniques

Darryl Collins
Technical Services Specialist


Provides Technical Support to the Technical Services Manager, Regional Managers and Business Consultants. Brings over 20 years of experience in data development, analytics and reporting solutions. Previously worked for IAG, ANZ, Wesfarmers, NAB, ExxonMobil.

Joined Whittle in 2011

  • Experience in advanced Microsoft Excel, database methodology, VBA and SQL server skills

Nick Redwood
Technical Services Specialist


Process & Project Engineer. Previously worked at Rio Tinto NZ Aluminum Smelter, Uhde Shedden & KBR. Data modelling, manipulation and analysis for Optimisation Projects.

Joined Whittle in 2012

  • Interests in data visualisation and web technology
  • Developed skills in process simulation, relational database design, data exploration, analysis and statistics

Jason Pan
Technical Services Specialist


Background in Mathematics, Finance. Role involves data modelling, manipulation and analysis for Optimisation Projects. Previously worked at ANZ Banking Group in Mergers & Acquisitions, Debt & Equity Raising.

Joined Whittle in 2010

  • Experience in risk management; political and economic risk and risk strategy

Norm Hanson
Associate – Geology & Mine Planning


Geologist and leading trainer in Whittle Pit Optimisaton. Worked in the mining industry in Australia and overseas. Keen interest in quality assurance in resource and reserve estimation.

Worked with Whittle since 1990

  • Special interest in computing and mathematics in exploration and mining
  • Strategic mine planning
  • Experienced presenter on the above topics
  • Lectured previously at RMIT in geological engineering