Australia’s Leading Network Solutions & Distribution Company
Dennis Zilic - Co-founder & National Director of Sales, Silverwater

Dennis Zilic

Co-founder & National Director of Sales, Silverwater

As director of sales based in Sydney’s Silverwater office, Dennis is equally at home helping local installation managers at the trade counter with the cabling for their building site, as he is liaising with consultants and estimators who are tendering for some of Australia’s largest infrastructure and telecommunications projects.

And according to Dennis, it’s this unique ability to service customers and projects of all sizes that has allowed OSA  to become Australia’s No. 1 independently owned and operated Communications, Networking and Security Distributor.

“I founded OSA back in 2002 with Mike not just because we both had a passion for (and experience in) distribution…

…but also because we wanted to do things better.

“We wanted to not only meet, but to exceed our customers’ expectations across a multitude of industries, including the mining, utility, telecommunications, education, government, construction and enterprise market segments.”

Dennis prides himself on his nation-wide well-stocked, strategically-placed warehouses with easy access to airports and major roads, as well as his team of highly trained customer service and support teams who provide outstanding local market knowledge.

“We never compete with our accredited partners, installation managers or resellers. We allow them to add value and we work with them to do that. In fact we provide training for our partners to further enhance their skill set.”

Dennis takes a very hands-on approach to his job. So much so that many of his customers he counts as good friends outside of work.

“We’re very client focused at OSA and I have enjoyed ongoing relationships with some customers for 25 years now.”

Corey Evans

Branch Manager, Alexandria Sydney City

Corey has more than 20 years of experience working with customers from different industry sectors and professional qualifications in Leadership and Management. His extensive knowledge enables him to deliver excellent service.

Corey is passionate about interacting with customers and providing quality advice for any customer’s network needs. His area of expertise is structured cabling and data centre solutions.

He enjoys the flexibility that OSA offers for staff and the positive working culture.

On the weekends, Corey loves adventuring in the outdoors and riding his motorcycle.

Johnny Russell - Business Development Manager, Sydney City

Johnny Russell

Business Development Manager, Sydney City

Johnny’s been at OSA for over 4 years now and his background includes a physics major.

“I particularly enjoy explaining our extensive range of fibre technology as well as new developments in this technology to our customers. And I also look after technical and internal sales.

“Not only are our customers a pleasure to deal with, but OSA has a fantastic working culture within for all of the staff, both locally and on a national level.”

On the weekends Johnny relaxes by writing music, playing 6-a-side soccer and watching AFL.

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