Kenneth Fraizer, the chief executive of drugmaker Merck and an African-American, said he left the advisory council because of the president's reaction after the violence between white supremacists and counter protesters.
Plank, who issued his resignation Monday evening, came under fire earlier this year from Under Armour brand ambassadors, including Golden State Warriors point guard Stephen Curry, for comments the CEO made about Trump being a pro-business asset in the White House. He lashed out nearly immediately at Frazier, saying on Twitter that he will now "have more time to LOWER RIPOFF DRUG PRICES!"
- Donald J. Trump (@realDonaldTrump) August 14, 2017.@Merck Pharma is a leader in higher & higher drug prices while at the same time taking jobs out of the U.S. Bring jobs back & LOWER PRICES!
With the barb, Trump appeared to attack an industry executive who has tried to make drug pricing somewhat more transparent by revealing his company's overall drug price changes. That's about half as large as the increase in its retail prices.
"In today's day and age ... you're not allowed to give a basic answer where you can try and say, 'I'm going to try to hit this one right down the middle, and everybody will be happy, '" Plank said.
Meanwhile, other executives stated their support for Frazier. The demonstration in Charlottesville by hundreds of white nationalists took a deadly turn on Saturday when a auto plowed into a group of counter protesters and killed one person.
Trump may have been slow to condemn white supremacists, but he was quick to react to Frazier's departure.
Frazer decision to leave puts more heat on hit on Trump who has been heavily criticized for his response to the incident and there are rumours that more corporate leaders will also leave his cabinet.
Nucor's current CEO, John Ferriola, was listed as one of the 28 initial business leaders assisting with the White House's Manufacturing Jobs Initiative.
In January Mr Trump anointed Darwin-born Mr Liveris, chairman and chief executive of the Michigan-headquartered Dow Chemical Company, to head the council.
"Usually, certain niceties are observed to smooth over a rupture", said Galston, who served as a domestic policy aide in the Clinton administration.
"To the CEOs who have remained on Trump's advisory councils, even after he has shown himself time and again as a racist, sexist warmonger who refuses to adequately condemn neo-nazis: Your complicity is noted".