The WiseTech founder and chief executive is alleged to have used the nom de plume “Rick Leblanc” during an online auction to buy a Vaucluse mansion in September 2022. The WiseTech founder and chief executive is alleged to have used the nom de plume “Rick Leblanc” during an online auction to buy a Vaucluse mansion in September 2022. Business / Companies Sydney Morning Herald – Latest News