Bridget McCall – Lean Six Sigma Black Belt

With diverse experience and exceptional credentials, Bridget McCall is one of Australia’s leading business improvement professionals, well known for bringing people together to get things done.

Her capacity for delivering sustainable and measurable results aligns with Siecap’s commitment to innovation, leadership and adding value to client relationships.

Having joined Siecap in January 2016, Bridget brings a wealth of experience to the team. She is a certified Six Sigma black belt and uses a combination of the internationally trusted DMAIC methodology for project management and lean tools, systems and philosophies to improve productivity and streamline processes.


Bridget is an expert at identifying the best way to bring an organisation’s processes and systems into line with its business goals. Whether they be reducing costs or increasing overall efficiency, her extensive experience enables her to find significant improvements for businesses.

Her previous tenures include senior leadership roles in the resources industry at Yancoal, Alcoa and OneSteel, working across multiple commodities, including aluminum, bauxite, copper, diamond and coal. She also has worked in the manufacturing and warehousing sectors.

She counts her time as a director at Rio Tinto Alcan, where she lead the overall direction and strategy for operating system frameworks, methodology and delivery for the business, as one of her most challenging and rewarding roles.

I am proud to have left behind a sustainable change for the better in all the businesses I work with”, she says upon further reflection.

Throughout her career Bridget has delivered measurable business benefits through her abilities in identifying opportunities for optimisation, generating strategic plans, and measuring and actively managing people through processes and systems.

Siecap CEO David Irvine notes that Bridget McCall’s experience and expertise have certainly boosted the firm’s capacity to provide even more value and services to its clients.

“Bridget McCall’s experience in business improvement has certainly added to Siecap’s capability,” Mr Irvine said.

When asked what advice she would give to junior professionals, Bridget says “Be good at what you enjoy, that way every day at work is an exercise in fulfilment. Balance your work and family life goals.”