Jack Ma not 'missing'; makes first public appearance since October in online meet Ma, on Wednesday, addressed hundreds of teachers at an online conference. The conference is part of an annual event Ma hosts to recognise the efforts of rural educators BusinessToday.In | January 20, 2021 | Updated 10:56 IST Jack Ma makes reappearance China's most well-known billionaire Jack Ma who made headlines for 'missing' for a couple of months has resurfaced. His absence from public view spurred speculations about his whereabouts following intense scrutiny of his empire. Ma, on Wednesday, addressed hundreds of teachers at an online conference. The conference is part of an annual event Ma hosts to recognise the efforts of rural educators.