Rep. Pat Tiberi (R-Ohio) on Thursday became just the latest in a string of long-serving, influential moderate Republicans who’ve announced they are quitting Congress, a sign of growing frustration with gridlock in Washington despite full GOP control of government.

Tiberi had just been named chairman of the newly created Republican Main Street Caucus, a group of business-friendly moderate Republicans; it’s unclear who will succeed him in that role. Another centrist leader, Tuesday Group Chairman Charlie Dent Charles (Charlie) Wieder DentRepublican former Michigan governor says he's voting for Biden Biden picks up endorsements from nearly 100 Republicans Bush endorsing Biden? Don't hold your breath MORE (R-Pa.), announced earlier that this will be his last term.

“Tiberi’s retirement is bad for Congress and bad for the country,” Dent told The Hill on Thursday. “I certainly understand his reasons. Our retirements speak to a frustration among the governing wing of the party.”

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Rep. Ileana Ros-Lehtinen (R-Fla.), a former chairwoman of the House Foreign Affairs Committee, and Rep. Dave Reichert David (Dave) George ReichertWashington Rep. Kim Schrier wins primary Mail ballot surge places Postal Service under spotlight Bottom Line MORE (R-Wash.), both Tuesday Group members, are retiring as well. And Rep. Dave Trott (R-Mich.), a top Democratic target in 2018, said last month he would not seek a third term.

The Senate is also seeing the retirement of a pragmatic, dealmaking GOP lawmaker: Foreign Relations Committee Chairman Bob Corker Robert (Bob) Phillips CorkerHas Congress captured Russia policy? Tennessee primary battle turns nasty for Republicans Cheney clashes with Trump MORE (R-Tenn.), who’s been engaged in a war or words with President Trump, calling the White House an “adult day care center.”

“Frustration applies to all members,” said Rep. Tom Reed (R-N.Y.), a co-chairman of the bipartisan Problem Solvers Caucus who serves with Tiberi on the tax-writing Ways and Means Committee.

“But obviously there is a danger of extremism replacing governing members on both sides,” he said. “I do believe the pendulum will swing back toward the rise of the governing because gridlock places a pox on all sides.”

In a statement, Tiberi said he is leaving a 17-year career in Congress to become president of the Ohio Business Roundtable, a consortium of business executives.

“Leaving Congress is not a decision I take lightly but after a lot of consideration, it is the best one for me, my wife, Denice, and our four wonderful daughters,” he said in a statement.

Tiberi’s new position is a job that will likely pay the 54-year-old congressman more money than his $174,000 per year salary and allow him to spend more time with his family.

The retiring president of the Ohio Business Roundtable, Richard Stoff, earned nearly $700,000 in total compensation in 2015, according to the group’s tax filing.

Stoff said Tiberi has a keen understanding of public policy and a “deep appreciation” for the relationship between the public and private sectors. “Pat Tiberi is as fine an individual as we’ve known,” he said. “We couldn’t be prouder.”

Tiberi said he plans to resign no later than Jan. 31, putting additional pressure on Trump and congressional GOP leaders to pass tax reform quickly.

He had been a key member of the inner circle of John Boehner John Andrew BoehnerLongtime House parliamentarian to step down Five things we learned from this year's primaries Bad blood between Pelosi, Meadows complicates coronavirus talks MORE, a fellow Ohio Republican, before he was ousted as Speaker in 2015. Tiberi is also close to Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.), the former Ways and Means chairman, and is a reliable vote for the party’s tax-reform package given that he’s helping to draft the legislation.

“Pat Tiberi has brought great decency and relentless passion to this House,” Ryan said in a statement.

Tiberi’s departure from Congress is notable for another reason: He becomes the seventh Republican on the Ways and Means Committee to announce retirement or a run for governor. There are 24 Republicans on the panel, which has jurisdiction over tax, trade and health issues.

In 2015, Tiberi ran to be chairman of the Ways and Means panel but lost to Rep. Kevin Brady Kevin Patrick BradyBusinesses, states pass on Trump payroll tax deferral Trump order on drug prices faces long road to finish line On The Money: US deficit hits trillion amid pandemic | McConnell: Chance for relief deal 'doesn't look that good' | House employees won't have payroll taxes deferred MORE (R-Texas). As a consolation prize, Tiberi was awarded the gavel of Ways and Means’ health subcommittee, and he also is chairman of the Joint Economic Committee.

The Ways and Means Committee has been in the spotlight this year because of its role in congressional Republicans’ major priorities. Earlier this year, the panel was involved in the efforts to repeal ObamaCare, which ultimately failed in the Senate.

Now, Ways and Means Republicans are working on legislation to overhaul the tax code that may be released within the next several weeks. But there are no guarantees that Hill Republicans will be able to unify and push a tax bill through both the House and Senate.

“I am more concerned about the Senate, although I don’t underestimate the challenge in the House,” said Rep. Tom Cole Thomas (Tom) Jeffrey ColeBottom line House approves .3 trillion spending package for 2021 Multiple lawmakers self-quarantine after exposure to Gohmert MORE (R-Okla.). He argued that “probably as much as anything, the failure of repeal and replace [of ObamaCare] in the Senate raises the stakes on tax reform.”

One Ways and Means colleague said Tiberi’s resignation had less to do with congressional gridlock and more to do with personal reasons. Tiberi’s mother, Caterina Tiberi, died last month at age 80 after a short battle with leukemia.

“I have been concerned about Tiberi given the quick passing of his mother. He was very close to her, and he just hasn’t been the same,” the GOP colleague said. “I’m going to miss him terribly.”

Sage Eastman, a former Ways and Means Committee aide who now works at Mehlman Castagnetti Rosen & Thomas, called Tiberi is a talented member of the panel whose loss will be felt.

“When you lose a member who is as skilled a legislator as he is, it makes your job harder no matter what the issue is,” Eastman said.

Former Ways and Means Committee member Phil English (R-Pa.), who now serves as a senior government relations adviser at Arent Fox, was optimistic that planned retirement would allow lawmakers on the panel to devote more of their attention to a tax-code rewrite — since they won’t be focused on their reelection campaigns.

“I think it actually helps the process. It frees up the members of the Ways and Means Committee to focus on tax reform,” English said.

He added that the three Ways and Means GOP members running for governor — Reps. Diane Black Diane Lynn BlackBottom line Overnight Health Care: Anti-abortion Democrats take heat from party | More states sue Purdue over opioid epidemic | 1 in 4 in poll say high costs led them to skip medical care Lamar Alexander's exit marks end of an era in evolving Tennessee MORE (Tenn.), Kristi Noem (S.D.) and Jim Renacci (Ohio) — could use their efforts on taxes in Congress to their advantage in their races for higher office.

“All three of them have profiles that permit them to spin the issue,” he said. “They have the skill sets to communicate tax reform to their states in a very positive way.”