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Optus Wholesale Senior Leadership Team provides a solid foundation of expertise for our expanding network services and growing partnerships.

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Gladys Berejiklian

Managing Director, Enterprise and Business

As Gladys was appointed to the role of Optus Managing Director, Enterprise and Business in February 2022.

She has a proven track record of executing and delivering major complex projects and building strong, trusted relationships with the business community.

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In 2003, Gladys was elected to the New South Wales Parliament, and from 2011 she served in senior leadership roles, including Minister for Transport, Treasurer and the 45th Premier of New South Wales.

Before this, Gladys was an executive at the Commonwealth Bank of Australia.

She has a Bachelor of Arts and a graduate diploma in international studies from the University of Sydney and a Master of Commerce from the University of New South Wales.
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John Castro

Vice President, Optus Wholesale

John Castro is the Vice President of Optus Wholesale.

In this role, he leads the performance and strategy of the Optus Wholesale business and is responsible for Product, Marketing, Sales, Operations and Service for this key Optus business unit.

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John joined Optus and the Singtel Group in March 2009 and has held many leadership positions since, including Business Manager to the SingTel Group Consumer CEO in Singapore. In addition to his current Optus role, in 2019 John was appointed as a Board Director to Bridge Alliance, which is the leading mobile alliance serving consumers and enterprises in the Asia Pacific. In April 2024, John was also appointed as a Non Executive Director of Southern Cross Cables,  the leading trans-Pacific submarine cable network operator, connecting Australia, New Zealand and Fiji to the United States.

Earlier on in his career, John gained experience working in various Sales, Marketing and Strategy management roles with Vodafone and British
Telecom in the United Kingdom, and Telstra and PowerTel in Australia.

John holds a Bachelor of Engineering with First Class Honours from the University of New South Wales and a Master of Business Administration from the Graduate School of Business, University of Technology Sydney. John is a Graduate Member of the Australian Institute of Company Directors.
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Andrew Stojcevski

Head of Marketing & Product Management, Optus Wholesale

Andrew is responsible for leading the end to end strategic performance of the Optus Wholesale Marketing and Product portfolios, focusing on Mobile and Fixed.

Andrew and his team lead the product strategy and roadmap development including analysing, evaluating and creating opportunities in the market for Optus Wholesale partners.

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He joined SingTel Optus at the start of his career in August 2000. During his time here, he has gained extensive experience in global telecommunications from his roles in Engineering, Network, Sales and Marketing. He has held directorship roles in both Sales and Marketing during his career at Optus.

Andrew holds a Bachelor of Telecommunications Engineering from the University of Technology Sydney and a Diploma of Building Studies from St George College TAFE Sydney.

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Jihad Farhat

Head of Service & Operations,
Optus Wholesale

Jihad joined Optus Wholesale in 2015 and is responsible for a broad portfolio providing operational support and delivery to Optus Wholesale partners.

Prior to joining Optus Wholesale, Jihad worked in the Optus Business division in senior leadership roles providing service to Enterprise and Government customers.

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Jihad has extensive telecommunications experience having spent 12 years at Vodafone across a number of Business, Strategic and Transformational roles.

Jihad holds a Bachelor of Telecommunications Engineering and a Masters in Engineering Management, both from the University of Technology Sydney.
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Tony Barrett

Director of Sales, Optus Wholesale

Tony is responsible for leading sales strategy and business development for Optus Wholesale, focused mainly around the Mobile portfolio.

Tony joined Optus in 2001. During his career in the Singtel Group he has held several senior Sales and Operational roles in Optus and Singtel. Prior to joining Optus, Tony spent time in Finance and IT before founding and running his own business for 5 years.

Tony holds a Bachelor of Commerce (Economics & Accounting) from Macquarie University.

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Chris Pedersen

Director of Sales, Optus Wholesale

Chris is responsible for leading sales strategy for Optus Wholesale, focused mainly around global customers and our Fixed and Sub-Sea cable portfolios. Chris began his career at Optus and has gained vast experience working in various roles across Sales, Engineering, Customer Care and Operations. Chris returned to Optus in 2015 to join the Optus Wholesale team.

Chris is qualified in Telecommunications Engineering and holds a Bachelor of Business (Computer and Information Systems), balancing technical with commercial and business management.

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