David Willersdorf - CHAIR
David has more than 47 years of experience as a Chief Financial Officer, Company Secretary and Company Director working in public, private and not-for-profit sectors. He is currently a Director , Chief Financial Officer and Company Secretary of all entities in the Grenda Family Group of Companies, Board Chair of Wallara Australia Limited and a member of the Rail Industry Development Advisory Committee.
David Mann AM KSJ FAICD
David, best known as Mann About Town, plays the part of roving on-air reporter for 3AW. He also runs his own marketing and public relations company, Mann Promotions Pty Ltd, which consults to many companies and not-for-profit organisations around Australia.
Beyond broadcasting, David has worked in an operational capacity with Victoria Police, the Metropolitan Fire Brigade and Ambulance Victoria.
Robert (Bob) Hill, APM
Bob is the Assistant Commissioner - Crime Command for the Victoria Police. He has broad operational and corporate experience, with most of his early career working as a detective in various metropolitan divisions and the Crime Department.
As the Assistant Commissioner - Road Policing Command, Bob had strategic responsibility for road policing across Victoria.
David Button

David has been involved with Rotary International for almost 20 years and has served in many different roles over that time. As a Rotarian, David has been afforded the opportunity to engage within his local community and in many other communities throughout the world. David comes from a family with diverse skill-sets which were all brought about by the opportunity of a good education.
Stephen Varty MAICD (Chief Executive Officer and Director)
Stephen Varty was appointed Chief Executive Officer of Chisholm Institute in November 2019.
He most recently held the position of Chief of Education, having joined Chisholm in 2015 from Victoria University where he was the Director of Innovation and Engagement.
Jane McLennan
Jane joined Chisholm as Chief of Staff in 2018, with a focus on external and government relations, and broader communication for the Institute. In 2019, she was appointed to the role of Chief of Student Success and Support, focussing on the student and employer experience at Chisholm.
Erin Douglas

Erin is a CPA accountant with over 10 years experience in Retail, Construction, Logistics and Healthcare industries. Erin’s previous successes include being an integral part of the team in listing a company on the ASX, working for a company that grew from 23 stores to over 50 stores Australia wide, and mentoring three junior accountants to CPA status.
Erin joined Chisholm in May 2023 as Manager – Financial Accounting & Reporting, which she is responsible for the accuracy and completeness of the Chisholm’s Groups financial statements.
Tracey Ellis
Tracey has more than 25 years’ experience as a print journalist and communications specialist working across various sectors including health, medical research and not-for-profit. She has managed public affairs teams in major health services and medical research institutes.
Sharon Whitehead
Sharon Whitehead is an Airline Captain and has been flying for Virgin Australia for over 21 years. Sharon’s aviation experience spans more than 36 years and over 18,000 hours of flight time. Sharon’s previous piloting roles include Maritime Surveillance (Customs Coastwatch Border Patrol), Regional Airline flying and delivering mail and freight throughout the Australian Outback.
Carmel Cammarano
Carmel started her working career in a kitchen and soon undertook vocational training through an apprenticeship to become a chef. Having a passion for the hospitality industry she has worked across Australia and overseas. After more than 15 years in the industry her focus moved to wanting to share her knowledge with others.
Farrah Buckland, Executive Officer
Farrah has a long history with Chisholm Institute. Farrah started as a student in 1997 and soon after, was offered a job at Chisholm. Over the past 25 years, Farrah has worked in various roles at Chisholm, and running events and coordinating conferences has been her forte. Most recently, Farrah has worked in not-for-profit organisations, assisting with raising awareness, fundraising, and submitting grants for potential funding.
Farrah's aim is to ensure all Chisholm students have access to education. Through the CCEF scholarship program, this can be a reality.
Farrah’s motto is ‘Education is Empowerment’ – using education to make a difference in a person’s life and creating a domino effect for their children and family.
Jill Ireton, Operations and Events Officer
Jill joined Chisholm in 2023 as part of the Corporate Events team and, in 2024 moved across to join the CCEF team as Events Officer. This move was motivated by the need to pursue purposeful work, leveraging her extensive experience in events, business management, and communications across private, corporate, and nonprofit sectors.