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Our Team

chris_baker_lean_six_sigma_consultantMr Chris Baker B App Sci (Applied Physics), AIMM is the founder and managing director of Kallista Consulting. Chris is a change leader who has held senior management positions in multinational organisations, overseeing the activities of diverse teams including sales, project management, customer service, administrative and technical personnel.

Chris has long been an advocate of developing teams by communicating clear goals, developing individual leadership and providing practical skills development. Prior to launching Kallista Consulting in late 2006, Chris was the Business Manager – Asset Management at Rockwell Automation where he was awarded both Lean Champion – Asia Pacific Region and Highest Growth (30%) -Asia Pacific Region for 2006.

The practical application of lean improvement tools is a passion for Chris and he has worked with many private and public sector organisations to help them achieve significant savings and productivity gains using these tools. Since establishing Kallista Consulting, Chris has developed and facilitated training programs and improvement projects for organisations of all sizes and types in both the public and private sectors.

Chris is a certified Lean Practitioner and he holds a current Certificate IV in Training and Assessment qualification including the recent Literacy, Learning and Numeracy module.

tim_barsony_lean_six_sigma_consultantMr Tim Barsony is a highly sought after executive who has worked as a productivity improvement consultant successfully in 300+ organisations across service, IT, manufacturing, automotive, aviation, mining and government, both nationally and Internationally.

Tim, has exceptional interpersonal skills combined with a dynamic leadership style drive a strong record of business transformation. He lives and breathes personal leadership, business analytics, lean-six sigma, and change management and deploys a positive, engaging and trustworthy leadership approach coupled with emotional intelligence and highly effective interpersonal skills.

He has a track record of streamlining and significantly improving minor to multi-million dollar projects and programs across multiple groups and cross-functional teams and can switch between big-picture and strategic thinking, tasks, people, and details in order to achieve objectives and goals, depending on priorities. Tim has an inclusive style and holds the utmost care and respect for people at all levels of an organisation at all times. Highly influential and effective in changing environments in a non-intrusive manner.


stephen_grech_lean_six_sigma_consultantMr Stephen Grech B Ec is a facilitator and Lean specialist.

Stephen delivers training, executive Lean briefings, business coaching and more. He is a Lean project leader that uses a number of global business improvement Lean and Six Sigma methodologies and tools to maximize the value of every dollar spent. He specialises in assisting businesses of all industry types and sizes by helping them save time, reduce costs and increase productivity by eliminating non value-adding activity.

Stephen has introduced Lean Thinking business improvement philosophy to Victoria’s largest government departments and has implemented a number of Lean, Six Sigma, 5S and Lean organisational improvement projects in the public and private sectors. He is widely known for his remarkable success in developing a new culture of continuous improvement.

Stephen is an experienced presenter at major domestic and international conferences on business process improvement, building a culture of continuous improvement and gaining staff and leadership engagement.

Stephen has worked in a number of Victorian State Government Departments and private sector businesses. He has a Bachelor of Economics, Black Belt Six Sigma, Certificate IV in Training and Assessment TAE, Certificate in Mastering Export Marketing, Level 3 accreditation in XeP3 business improvement methodology and a Diploma in Lean Supply Logistics