Lesley has been with JBA since July 1994. She is an honours graduate in Town Planning from the University of New South Wales and holds a Masters of Environmental Law from the University of Sydney. She is a member of the Planning Institute of Australia (PIA) and a member of the Property Council of Australia's Planning Committee. Lesley was awarded the University Medal for Town Planning and received the Planning Institute's award for 'Young Planner of the Year' in 1998.

Lesley has extensive experience in the preparation of development applications, due diligence advice and approvals strategy advice for a range of complex residential, retail, commercial, industrial and special use projects. She has also prepared Part 5 assessments, rezoning applications, draft local environmental plans and development control plans, and is experienced in providing expert evidence in the NSW Land and Environment Court.