Harris economic policy draws on Biden White House alums Brian Deese, Mike Pyle

• Former National Economic Council director Brian Deese is advising Vice President Kamala Harris on economic policy.
• Deese is among a small group of advisors helping Harris and her team.
• Deese previously worked as President Joe Biden's National Economic Council director.

Economist Brian Deese has begun advising Vice President Kamala Harris as she develops her economic policy plan, according to three people familiar with the matter.

Deese is a former director of President Joe Biden's National Economic Council and a fellow at MIT's Center for Energy and Environmental Policy Research.

Harris has said she plans to release her brand new presidential campaign's first formal platform — focused on lifting up the middle class — in the coming days.

As Harris and her team have been putting together the policy plan, Deese has been a key advisor and sounding board for Harris, said the people, who were granted anonymity in order to discuss internal campaign operations.

Harris is also working with Mike Pyle, a former deputy National Security Advisor for International Economics in the Biden White House, these people said.

Both Deese and Pyle are alums of asset management giant BlackRock, key Wall Street experience that they bring to the Harris team. Pyle was global chief investment strategist at BlackRock. Deese did three year stint as the company's head of sustainable investing.

Another key figure back who is back in the fold is Deanne Millison, Harris' chief economic adviser until 2023, a person with direct knowledge told CNBC. Millison currently works as a lobbyist for Ford Motor Co.

Deese did not return requests for comment. Pyle did not reply to a request for comment sent through Macro Advisory Partners, where he is a senior