In an effort to describe Trump's picks, we created a Venn diagram showing each and the position he or she holds in terms of wealth, experience — and, because it has been raised, relationships to Russia. In many cases, a person's net worth was difficult to ascertain.

Donald Trump, president-elect. Trump is a billionaire and, in a month, he will be an elected official.

The four big Cabinet positions

James Mattis, Defense. Mattis is a retired Marine Corps general.

Steven Mnuchin, Treasury. Mnuchin is a Wall Street billionaire.

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Jeff Sessions, Justice. Sessions is a senator from Alabama and served in the Army Reserve. In 2010, his net worth was $15.8 million.

Rex Tillerson, State. Tillerson is chairman and chief executive of ExxonMobil. Before taking over the company, he ran its operations in Russia, including securing a landmark agreement to drill in the Russian Arctic.

Other Cabinet positions

Ben Carson, Housing and Urban Development. Carson is one of two picks who doesn't fall squarely into one of these circles. His estimated net worth is in the low millions.

Elaine Chao, Transportation. Chao is the other one. Senate Majority Leader Mitch McConnell (R-Ky.), her husband, reported a net worth of $27 million in 2010.

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Betsy DeVos, Education. DeVos married into the DeVos family, which made its fortune through Amway. She was formerly chairman of the Republican Party in Michigan.

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John Kelly, Homeland Security. Kelly is a retired Marine Corps general.

Rick Perry, Energy. Perry is a former governor of Texas and a veteran of the Air Force.

Tom Price, Health and Human Services. Price is a member of the House from Georgia.

Scott Pruitt, Environmental Protection Agency. Pruitt is the attorney general of Oklahoma.

Andrew Puzder, Labor. Puzder is chairman of the parent company to Hardee's and Carl's Jr.

Wilbur Ross, Commerce. Ross is another Wall Street billionaire who, in the administration of Bill Clinton, was on the board of the federal U.S.-Russia Investment Fund.

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Ryan Zinke, Interior. Zinke is a former Navy SEAL who also serves as Montana's at-large representative to the House.

Other appointments

Michael T. Flynn, national security adviser. Flynn is a former general who, in 2015, was hired by Russia Today to give a speech and attend a banquet with Russian President Vladimir Putin.

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Nikki Haley, ambassador to the United Nations. Haley is the governor of South Carolina.

Linda McMahon, Small Business Administration. McMahon is chief executive and co-founder of World Wrestling Entertainment, which made her and her husband, Vince McMahon, enormously wealthy.

Mike Pompeo, CIA. Pompeo is a member of the House from Kansas and a veteran of the Army.

Vincent Viola, secretary of the Army. A U.S. Military Academy graduate, Viola also made his fortune on Wall Street.