Incoming Dem lawmaker fires back at Trump's former economic adviser: ‘No Gary, YOU don't know what's coming’

Rep.-elect Rashida TlaibRashida Harbi TlaibHouse Dems unveil measure to reject anti-Israel boycotts Dems concerned impeachment will make Trump 'appear like a victim,' says pollster Officials dismiss criticism that Trump rhetoric to blame for New Zealand attack MORE (D-Mich.) on Thursday shot back at former Goldman Sachs CEO Gary CohnGary David CohnTrump mocks wind power: 'When the wind doesn't blow, just turn off the television' On The Money: Senate rejects border declaration in rebuke to Trump | Dems press Mnuchin on Trump tax returns | Waters says Wells Fargo should fire its CEO Gary Cohn says Trump trade adviser the only economist in world who believes in tariffs MORE for comments he made while addressing new members of Congress at Harvard Kennedy School's Institute of Politics.

Cohn, who resigned as President TrumpDonald John TrumpSenate GOP budget ignores Trump, cuts defense Trump says he'll nominate Stephen Moore to Fed White House: ISIS territory in Syria has been 100 percent eliminated MORE's top economic adviser in March, was among several speakers during a bipartisan orientation program this week at Harvard.

Tlaib said on Twitter that Cohn told incoming lawmakers: “You guys are way over your head, you don't know how the game is played.”

“No Gary, YOU don't know what's coming - a revolutionary Congress that puts people over profits,” Tlaib tweeted.

The orientation at Harvard has been dubbed by the university as an event where newly elected lawmakers can “learn practical skills of lawmaking just one month prior to taking the oath of office.”

In addition to Cohn, speakers included Mary Barra, the chairman and CEO of General Motors, and Arthur Brooks, president of the right-leaning American Enterprise Institute.

Rep.-elect Alexandria Ocasio-CortezAlexandria Ocasio-CortezDemocratic Socialists of America endorses Sanders for president Ocasio-Cortez: Green New Deal 'narratives are manipulated' by critics Trump: Green New Deal 'the most preposterous thing' and 'easy to beat' MORE (D-N.Y.) voiced criticism of the event on Thursday, saying their were several corporate CEOs but no labor leaders in attendance.

Tlaib, a former Michigan state representative, defeated five other candidates in Michigan's Democratic primary earlier this year and ran unopposed in November. She has championed policy efforts such as "Medicare for all" and a $15 minimum wage.