House Energy and Commerce Committee chairman Fred Upton, right, has hired several former lobbyists to his staff. (AP Photo/J. Scott Applewhite.)

In January shortly after being sworn into office, Congressman Rodney Davis, a freshman Republican who eked out a win with a margin of less than a thousand votes in Illinois last year, announced that he had received several plum committee assignments. His legislative portfolio includes subcommittees that oversee commodity regulations, nutritional programs, biotechnology, and, most importantly, the 2013 Farm Bill, which sets agriculture policy for the next five years.

One of his first steps in office? Davis hired Jen Daulby, the director of federal affairs for Land O’Lakes, one of the largest producers of milk and cheese in the country, to be his chief of staff. Disclosures show that just months ago, Daulby led a Land O’Lakes lobbying team that worked on the Farm Bill, genetically modified foods labeling, rules concerning pesticides and hazardous dust, and the new commodity regulations enacted by President Obama’s financial reform law, Dodd-Frank.

What a match.

In other words, Daulby’s past lobbying portfolio perfectly reflects the new responsibilities for Davis’ committee assignments, where he will have wide sway over policy. A former Monsanto lobbyist with previous experience on Capitol Hill for several other lawmakers, Daulby is one of many staffers who rotate back and forth between public service and influence peddling.

On Monday, The Nation posted an investigation of the “reverse revolving door” in Congress, by which lobbyists hired as senior-level congressional staffers receive substantial exit bonuses or other financial rewards from their employers shortly before they assume their new Congressional positions.

In Daulby’s case, Land O’Lakes provided a parting gift of a $35,772 bonus (in addition to her 2012 bonus) in the first few weeks of January. The Davis-Daulby story isn’t all that unusual.

The members of Congress who hire former lobbyists are often outspoken supporters of legislation also heartily endorsed by their new staffers’ previous employers.

Representative Michael McCaul (R-TX), chair of the Homeland Security Committee, hired IBM lobbyist Alex Manning as his cybersecurity subcommittee staff director this year. On behalf of IBM last year, Manning worked to pass the Cybersecurity and Information Sharing Effectiveness Act (CISPA), legislation that provides broad powers to the government and to private corporations to gather private Internet user data. The ACLU—which has rallied against CISPA along with EFF, and many other civil liberties groups—called the bill a “flagrant violation of every American’s right to privacy.”

IBM, which sent nearly 200 executives to Washington to advocate on behalf of stronger cyber security laws like CISPA, has been one of the bill’s strongest supporters. CISPA passed the House in April. Representative Randy Hultgren (R-IL) recently hired Katherine McGuire, a CISPA-supporting lobbyist for the Business Software Alliance, as his chief of staff. Hultgren voted for the bill that passed last month.

Representative Fred Upton (R-MI), who is in his second term as chair of the Energy and Commerce Committee, has a long history of employing lobbyists to staff his committee. When he gained the gavel after the midterm elections, Upton hired Gary Andres, a lobbyist for UnitedHealth Group and other corporate interests, as his staff director. In 2012, Upton announced that America’s Natural Gas Alliance lobbyist Tom Hassenboehler would be his new chief counsel to a subcommittee that oversees environmental regulations. As DeSmogBlog’s Steve Horn noted, Hassenboehler is a climate change denier who worked in previous years to block cap and trade legislation. Disclosures show Hassenboehler was paid by his former employer, a trade group for fracking and natural gas companies, to lobby on a number of environmental regulations, including EPA rules concerning fracking.

This phenomenon isn’t new. In the beginning of the last Congress, at least thirteen freshman lawmakers hired lobbyists as their chiefs of staff. The chiefs of staff for Senators Ron Johnson and Marco Rubio even came from the same lobbying firm.

How, exactly, are these lobbyists-turned-staffers influencing policy? While it is difficult to discern what goes on behind closed doors on Capitol Hill, it is part of the job description of lobbyists-turned-staffers to help lawmakers draft legislation, and the bills they produce reliably include big giveaways to corporate interests. Representative Davis’ office did not respond to a request for comment about his new chief, former Land O’Lakes lobbyist Jen Daulby. But in March, Davis signed onto a bill currently pushed by Land O’Lakes to roll back federal oversight of pesticide use.

Read Lee Fang on the reverse revolving door of bonuses for executives headed to congressional positions.