Executive Team

Geoffrey Lewis: Chief Executive Officer

Geoff Lewis established ASG with co-founder Stephen Tull with the vision of providing quality technical services to users of mid range enterprise computer systems. Geoff has over 25 years experience in the delivery of Information Technology services. This experience was gained during an international career working with top tier consultants and in very large banking, insurance, commercial and government environments. He is acknowledged as a leader of the outsourcing industry in Australia and was recognised with the Entrepreneur of the Year Award in Western Australia in 2003. Geoff has been Managing Director of the private ASG Group since inception in 1996.

In July 1997 Geoff was appointed as a Board Member to the North Melbourne Football Club.

Dean Langenbach: Chief Operating Officer

Dean was appointed as Chief Operating Officer in September 2011 after spending more than 6 years as ASG’s Chief Financial Officer. Dean has responsibility for all operational aspects of ASG’s performance. Dean has over 18 years experience in accounting, business analysis and financial management. Prior to joining ASG, Dean held senior finance roles with Onesteel focusing on business improvement, growth initiatives and integration of acquisitions. During a 5 year period in London, Dean worked in financial management roles with multinational companies Kingfisher (retail group), Diageo (beverage group) and GE Capital (global financier). Dean qualified as a Chartered Accountant in 1996 while working with Deloitte in Perth.

Stuart Whipp: Chief Financial Officer

Stuart possesses over 20 years of Australian and International experience in Accounting and Finance. Prior to joining ASG, Stuart was a member of the Senior Leadership Team at Australia’s largest agricultural retailer, Agrium Asia Pacific Limited Group (AAPL). At AAPL, Stuart had a range of roles and responsibilities covering accounting, mergers and acquisitions, taxation and investor relations as well as being a member of the Management Investment Committee and a Director for numerous group companies.

Prior to working at Agrium, Stuart was a senior member of KPMG Melbourne’s International and Corporate Tax Division following a transfer from KPMG London, where Stuart worked within the Audit, Tax and Transaction Services Divisions. During his time at KPMG, Stuart serviced key clients such as Orica, Tabcorp, Siemens, Optus and Holden. Stuart’s experience includes lead roles on major merger and acquisitions projects, restructures and integrations, together with wide ranging involvement in accounting, taxation, treasury and investor relations. Stuart is a member of the Australian Institute of Company Directors and the Institute of Chartered Accountants in England and Wales.

Gerald Strautins: Executive - Strategy

Gerald has over 28 years experience in business and information systems. He has extensive consulting, programme and business management experience. He has superior strengths in the formulation and implementation of strategic business and information systems plans with the emphasis on the use of IS to support the corporate and business objectives.

Gerald has unparalleled international experience working in Australia, Asia, Europe and North America with companies such as Marks & Spencer, AstraZeneca, Siemens, CSC and Unisys in establishing, transitioning and managing global managed service & outsourced delivery operations.

Michelle Bevan: Executive, People & Culture

Michelle has more than 20 years experience in customer service and human resource management, having held senior management roles in the Financial Services and Education sector.

Michelle has a breadth of experience from undertaking specialist human resource management roles in organisational development, remuneration and policy and combines this with leadership roles where she transformed and built customer service teams and business units.

Michelle was appointed Executive, People & Culture in 2011, with responsibility for human resources strategy and practice including culture development, learning and development, talent and career development, attraction and selection, rewards and recognition and employment policy.