US president Donald Trump: Many business leaders remain on his advisory panels and councils. These include Dell’s Michael Dell, Apple’s Tim Cook, IBM’s Ginny Rometty, Corning’s Wendell Weeks and GE’s Jeff Immelt. Photograph: Jim Watson/AFP/Getty

Since its arrival a decade ago, I’d wager Twitter has proven overall to be more of a thorn than a rose for most companies.  As a public-facing p(...)

Donald Trump, pictured with US treasury secretary Steven Mnuchin, announced the move on Twitter. Photograph: Getty Images

US president Donald Trump disbanded two high-profile business advisory councils on Wednesday after corporate CEOs quit in protest at his remarks blami(...)

 US President Donald  Trump (C) arrives beside Senior Advisor to President Trump, Jared Kushner (L) and CEO of Merck Kenneth Frazier (R), for a meeting with CEOs of manufacturing companies in the State Dining Room of the White House in Washington, in February . Photogrpah: Michael Reynolds/EPA

The chief executives of Intel, Merck and Under Armour have resigned from US president Donald Trump’s American Manufacturing Council, following Mr Trum(...)

Merck chief executive Ken Frazier on Monday resigned from a White House advisory body in protest over Donald Trump’s failure to denounce white nationalists for provoking clashes over the weekend in which one protester died.

Merck’s chief executive Ken Frazier on Monday resigned from a White House advisory body in protest over Donald Trump’s failure to denounce white natio(...)