Director of Lucas Associates, based in central Christchurch, Di has worked in landscape planning, design and management for projects of all scales around New Zealand for several decades. She works from an understanding of a site’s natural, cultural and social context, past and present. Long involved in urban design within Christchurch, Di facilitated public charrettes (also called "Inquiry By Design" workshops) to develop landscape plans for Sumner, Merivale, Edgeware and the Central City; developed native plant guides; led waterway restoration and management and provided design analyses services. She was a supreme-award-winning team member in the 2011 48-Hour Design Challenge and is a certified Resource Management Act hearings commissioner and judge for the Canterbury Heritage Awards.
Former President of the New Zealand Institute of Landscape Architects (NZILA) and Fellow member since 1987, Di has been winner of several premier NZILA awards, including awards for innovative ecological and community-based planning approaches in Christchurch. She was recognised as winner of the Resene Lifetime Achievement Award in 2012.