With all the turmoil surrounding the White House these days, you may have not heard that the guy who put together President Trump’s infrastructure guru David James “D.J.” Gribbin is leaving and returning to the private business world from which he sprang.

Gribbin, a former banker working under National Economic Council Director Gary Cohn (also a banker who has left government, emerged as the planner/key negotiator on infrastructure when he came to the White House in February 2017.

The move made sense, as the 55-year-old former senior Macquarie Group banker had deep expertise in fostering public-private partnerships and is no stranger to the federal government.

For more than six years, he led the government advisory for Macquarie Capital, leading teams structuring public-private partnership transactions for governmental clients. According to his online bio, he left the investment bank three years ago to work as a national director of consulting for Omaha, Neb.-based HDR, a consulting and engineering firm that fosters public-private partnerships (PPP) on infrastructure projects.

Public-private partnerships are a key element of the new federal infrastructure plan which hopes to leverage $200 billion in new government spending with PPPs and state and local funding to create a well of $1.5 trillion for new and improved highways, bridges and a host of other projects to bring U.S. surface transportation back to world-leading standards.

Gribbin also served in the George W. Bush administration as general counsel for the Department of Transportation from 2007 to 2009 and as chief counsel for the Federal Highway Administration from 2003 to 2005.

The announcement of his departure did not stir the media like other perhaps higher level partings from the administration.

Part of the reason for that is that Congress has gone into do nothing mode before the November 6th mid-term election which may change the balance of power in either the House or the Senate or both.