Capitol Hill veteran George Callas joins Steptoe & Johnson

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Capitol Hill veteran George Callas joins Steptoe & Johnson

People Thumbnail

George Callas has joined Steptoe & Johnson as managing director in the firm’s Washington DC office.



Callas will serve in the firm’s government affairs and public policy and tax groups. Callas is a Capitol Hill veteran who spent 15 years working on tax issues at the committee level and for the Republican leadership.

Prior to joining Steptoe & Johnson, he was a senior tax counsel to Speaker of the House Paul Ryan and among the chief architects of the Tax Cuts and Jobs Act (TCJA) legislated in December 2017. In this role, Callas was one of the leading negotiators in getting the tax bill through Congress.

Speaker Ryan has said about Callas: "He laid the groundwork for our eventual success with his early work on draft reform legislation while at the Ways and Means Committee, and he drove us over the finish line as my senior tax counsel in the Speaker’s Office."

Steptoe & Johnson expects Callas to provide great value to clients, from large multinational corporations to trade associations, in navigating the new US tax laws, which are still being analysed by tax professionals.



more across site & shared bottom lb ros

More from across our site

Despite the increased yield, the time taken to resolve enquiries was at a six-year high, new HMRC statistics have revealed
The High Court’s dismissal of barrister Setu Kamal’s legal challenge represents the first successful strike-out under a new law on SLAPPs
IP lawyers, who say they are encouraging clients to build up ‘tariff resilience’, should treat the risks posed by recent orders as a core consideration in cross-border licensing
As Coca-Cola awaits a crucial 11th Circuit Court of Appeals decision this year, its multibillion-dollar tax dispute could have profound implications for investors, cash flow, and corporate transparency
However, women in tax face greater career obstacles than their male counterparts, an exclusive ITR survey of more than 100 women tax leaders revealed
Under Jeff Soar’s leadership, WTS UK aims to scale to 100 partners within five years and challenge the big four
As the firm embarks on a major shakeup of its EMEA partnerships, some staff will be watching nervously
The buyout of Hucke and Associates continues Ryan’s streak of firm acquisitions; in other news, a UK appeal against VAT on private school fees was dismissed
Tax teams are responding to usual client demand in the region, albeit with increased working from home flexibility, local sources indicate
A 120-plus-day delay to refunds would cost taxpayers almost $3bn in additional interest, the Cato Institute warned; plus indirect tax updates from February
Gift this article