Sim is the Director of We Care Plan Management, a registered NDIS Provider that supports transparent, efficient and reliable plan management and plan education services. - She works with NDIS participants to increase their NDIS plan budget literacy so that every person is empowered with choice and control to optimise your supports and services. - She runs a highly professional team that efficiently processes funding so that support coordinators and service providers are paid on time, and participants are on track with their plan budget.​

Managed day-to-day operations of Health Quotient, including client relationships, program management and bookkeeping

Opened one of the first and most beloved Malaysian restaurants in Melbourne, and expanded Malaya to three restaurants across Greater Melbourne.

Owned the Australian distribution rights for Sanrio Inc Products