Tim Traudt replaces Jay Welker at the start of next month.
List of top advisers at the firm comes after Social Security numbers were put at risk.
A judge denied Mr. Block's motion for a new trial, but he wants another day in court.
Firm is dealing with the fallout from a rogue broker it fired a year ago.
Speculation is mounting that the bank is dumping some lines of business to focus on just a few areas, including financial advice.
Blucora is paying $180 million in stock for 1st Global, with 850 advisers.
The independent broker-dealer had $233.3 million in recruiting loans on its books, a 46% increase over 2017.
Firm's advisers will soon have access to lending products such as mortgages.
Michael S. Lee will run the New York territory for First Republic's wealth management business.
Wirehouse says it would not be able to work there under state's current proposal.