Our people

People powered education


The Catalyst Education team brings a wealth of experience and know-how in their area of expertise. The team’s primary focus is to empower staff to enable their learners and clients to achieve their desired education and training goals. Through agile and innovative strategies we aim to be a leading supplier of quality vocational education in Australia.

Meet our leadership team


Sarah CollissonSarah Collisson
General Manager – Operations

Sarah has worked in the VET sector since 2007, beginning her career as a trainer and assessor. Moving through the many different areas of the business has seen her develop skills in resource development, learner recruitment, account management, compliance and leading the training team. Sarah’s passion lies in empowering both learners and colleagues to thrive within whatever their chosen field may be. Her current role allows her to combine her passions of education, leading teams and personal development.

Kristen-ClarkeKristen Clarke
Head of Learning & Teaching

With more than 12 years of leadership experience in the education sector, Kristen has a record of accomplishment for designing, implementing and evaluating tertiary programs to facilitate to quality learning and teaching to domestic and international students. She has gained extensive experience in strategic academic and operational development within three large dual sector education providers in multi-discipline and multi-campus education environments. These roles have afforded Kristen the opportunity to develop strong and effective teams and a passion for continuous improvement and professional development.

Salil GuptaSalil Gupta
Group Finance Manager

Salil brings to Catalyst Education strong commercial acumen with over 13 years experience in commercial finance and business reporting, holding several senior roles across a various of industry sectors including BPO, sales and education.

Salil has a Masters in Commerce, Master of Business Administration and is a Member of Chartered Accountants in Australia.

Rima Khub
People and Culture Manager

Rima is a qualified Human Resource Professional with over 14 years of experience. Rima worked in various industries including engineering, consulting, medical, finance and education as an innovative and dynamic partner to the business delivering optimal solutions to managing their human capital. Rima has a Master degree in Human Resource Management from The University of Melbourne and a Bachelor degree in Engineering from Monash University. She has recently completed The Melbourne Teaching Certificate and lecturers at the University of Melbourne.

William Green

William Green
Head of Compliance & Continuous Improvement

William has over 20 years’ experience in the VET Industry including 7 years in senior management roles. As an analytical thinker and passionate problem solver, William has an excellent track record of interpreting and evaluating training, assessment, and complex compliance regulations to then take the appropriate action to improve operational performance.


Meet our board


Our Board of Directors comprise highly-skilled individuals with specific industry knowledge and experience in building and growing successful businesses.




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