Matt Marsh
Matt MarshManaging Director
In Matt’s 25+ year career he has worked in, supervised and managed contracts from Melbourne to Cairns and is now focused on growing The Sebastian portfolio, where his strengths in organisational planning and service delivery management mean that you will receive best value for money.
Tahir Pasic
Tahir PasicState Operations Manager
Tahir spent his first 10 years in cleaning industry mainly working in a shopping centres portfolio for a large service provider in Victoria and interstate. He spent 3 years of that as a regional manager in United Kingdom working mainly on shopping centres, which he was specifically promoted for from Australian office, due to his knowledge and experience.
Jason Stock
Jason StockTechnical & Specialist Services Manager
Jason joins the Sebastian Team as Technical & Specialist Services Manager to lead our team in delivering outstanding floor care and other specialised solutions.

As a former Chef, Production Manager and Sales person, Jason is customer-focused and primed to deliver beyond client expectations.

Dianne Simpson
Dianne SimpsonOffice Manager
Dianne has worked with Sebastian for more than 16 years during which time she has implemented significant management process amendments including the implementation of the Sebastian financial management package, Triumph, our electronic time in attendance system Ezi-Tracker, our contract performance management system Cleantelligent and has managed the transition of 2 servers and resultant upgrades in the past 9 years.
Sandra Bryan
Sandra BryanOperations and Administration Support Officer
Sandra has joined the Sebastian team on a 4 days per week basis, in the role of Operations and Administration Support Officer.

Sandra comes from a varied career background. From Accounts and Payroll to Project Administration. She has worked from the health sector to the construction industry and many points in between.

Effie Madaferri
Effie MadaferriCustomer Service Manager
Effie’s role the Sebastian Management Team is to add value to each of the client sites she oversees by providing additional training to team members with a focus on detail cleaning and training team members to be responsive to customer requirements.

In her role as cleaner, prior to her promotion to Customer Service Supervisor in February 2016, Effie was applauded by the clients she worked with for her dedication, exceptional results and her ability to see things that others didn’t.

David Morales
David MoralesCustomer Service Manager
David Morales has worked with the Sebastian team for more than 7 years.

David is a hands-on manager, who likes to see that his team can do what needs to be done, not just because he has asked them, but because he has shown them, trained them and continued to work with them.

David oversees all Sebastian operations in and around the CBD of Melbourne.

Ravi Jay
Ravi JayCustomer Service Manager
Ravi has worked with the Sebastian Property Services for more than 10 years.

Ravi is a Detail-Oriented sites manager consistently delivering strong leadership, raising staff motivation, and increasing quality through close monitoring and evaluation of workmanship.

Ravi oversees all Sebastian operations in and around the CBD of Melbourne.