Kate McKenzie – Group Managing Director, Telstra Wholesale
Kate McKenzie is the Group Managing Director of wholesale business in Telstra, directly reporting to Sol Trujillo, Telstra's Chief Executive Officer (CEO). She has been in this role since January 2006.
Kate joined Telstra in August 2004 as head of Telstra's regulatory group. Within a year she was promoted to the role of Deputy Group Managing Director for public policy and communication.
Before joining Telstra, Kate was Director-General of the Department of Commerce in New South Wales and previously had held a range of senior executive roles in government departments and offices. Throughout her career Kate has been involved in the development and implementation of competition policy, energy reform, corporatisation and privatisation and Commonwealth-State negotiations on a range of complex policy issues.
Kate holds bachelor degrees in arts and law from the University of Sydney.
Andrew Zawartko - Executive Director, Operations and Systems
Andrew's group works to deliver the most efficient transaction methods for servicing wholesale customers. Over a career spanning 25 years with Telstra, Andrew has held a wide range of exacting management positions, implementing new technologies and customer processes.
Trevor Brunton - Executive Director, Products
Trevor manages the Wholesale product portfolio. He joined Telstra in 1994 and has held a variety of positions, covering finance, information technology, business planning and commercial management. Trevor has bachelor degrees in law and commerce and a Masters in information technology.
In his 14 years with Telstra, Warwick has successfully led a number of high-performing sales teams in Telstra’s retail and wholesale divisions. He is now Executive Director of Commercial Operations, with functional responsibility for commercial management, marketing, customer programs, business planning and communications within Telstra Wholesale.
Glenn Osborne – Executive Director, Sales
As head of sales for Telstra Wholesale, Glenn brings a wealth of experience, energy and commitment to his role. He has 20 years of management and sales experience within the telecommunications industry, the last 15 years in Wholesale. His previous roles include Director of Data Sales, Director Australia/NZ for REACH, and head of sales for international carrier business in Telstra. Glenn's team is dedicated to meeting our customers' business needs and building strong relationships to meet their goals.
Kate McKenzie is the Group Managing Director of wholesale business in Telstra, directly reporting to Sol Trujillo, Telstra's Chief Executive Officer (CEO). She has been in this role since January 2006. 
Andrew's group works to deliver the most efficient transaction methods for servicing wholesale customers. 
Trevor manages the Wholesale product portfolio. He joined Telstra in 1994 and has held a variety of positions, covering finance, information technology, business planning and commercial management. 
In his 14 years with Telstra, Warwick has successfully led a number of high-performing sales teams in Telstra’s retail and wholesale divisions. 
As head of sales for Telstra Wholesale, Glenn brings a wealth of experience, energy and commitment to his role. He has 20 years of management and sales experience within the telecommunications industry, the last 15 years in Wholesale. 
