The news agency reports that Williams, who will be based in San Francisco, will work closely with Chairman for the Investment Bank in the Americas Steve Cummings to bolster the bank's efforts on the West Coast.
Reuters also reports that Barclays said last week that it added 16 new investment representatives to its wealth and investment management division as the British bank expands its presence in the United States.
The new hires, spread across seven different offices in the United States, managed a combined $15bn in client assets at their previous jobs, bringing in $35m in total revenue in the last year.
The news agency also reports that Credit Suisse's top investment banker for Qatar has resigned, three banking sources said, in a move that comes as the Swiss bank tries to bolster operations in the Gulf state, home to its second-largest shareholder.
And Bloomberg reports that Goldman Sachs has named Gregg Lemkau co-head of global M&A alongside Gene Sykes.
In the meantime, Bloomberg also reports that RBC Capital Markets hired Matt Maggio to trade loans as the bank builds its credit business in the U.S.
Maggio, who is based in New York, joins from Macquarie Capital and reports to Jeff Resnick, head of high-yield loan and distressed trading for the investment-banking arm of Royal Bank of Canada, said Sanam Heidary, an RBC spokeswoman.
Bloomberg also reports that Bank of Nova Scotia hired Michael Schoen as head of debt capital markets origination for Latin America after he worked for more than a decade in a similar role at Credit Suisse.
Finally, Reuters reports that Commerzbank's chairman has fired a shot across the bow of the lender's chief executive, saying there would be consequences if the bank's leadership failed to meet its self-imposed goals by 2016 as planned.
'One thing is clear: if the board misses its targets without a convincing reason and fails to deliver the performance expected of it, then the supervisory board must act. That is just normal procedure', supervisory board chairman Klaus-Peter Mueller told Wirtschaftswoche in an interview.