Ros Calleri (Spicer) in

Ros Calleri (Spicer)

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Manager Global Technology and Professional Services Supply at South32
📍 Greater Perth Area, Australia

Ros Calleri (Spicer) is the Manager of Global Technology and Professional Services Supply at South32, specializing in strategic technology procurement and supplier management. Her expertise includes contract negotiations that have secured multi-million dollar savings. She holds a Bachelor of Applied Science from Curtin University.

She demonstrates a keen interest in professional development, actively participating in events and webinars focused on high-performing leadership. Ros follows major technology and telecommunications companies like IBM and Orange Business to stay current with industry trends.

Notably, Ros designed and implemented the entire Supplier and Contract Management Framework for HBF Health.

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Experience
30 Years
Current Role
Manager Global Technology and Professional Services Supply
Job Level
Middle
Location
Greater Perth Area, Australia
Personality Overview

How Ros shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Ros cares about

Strategic Procurement
Focuses on strategic technology sourcing, including vendor rationalization and the creation of panel contracts to drive efficiency and savings.
Supplier Management
Specializes in managing relationships and performance for Cloud, SaaS, and licensing service providers, having built supplier management functions from the ground up.
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Career

Work history

5-2024
Manager Global Technology and Professional Services Supply
South32
3-2023 - 5-2024
Principal Technology Supply
South32
8-2016 - 3-2023
Technology Supplier Manager
HBF Health
2-2015 - 8-2016
ITSM Consultant
Kiravo Consulting Pty Ltd
3-2014 - 8-2016
Service Delivery Manager
'Self-Employed'
In the press

Media appearances

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Education
ATAR
Applecross Senior High School
B.App.Sc
Curtin University
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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