Mr. Jennings replaces Lauren Hughes, who left the directory in April 2015 to join Ropes & Gray.
Since then he has done freelance writing, and most recently worked as head of training at Chambers & Partners.
The latest edition of the Legal 500 USA was published in June 2015
Looking ahead, guidelines for the 2016 edition are released in August 2015, with the submission deadline in November 2015.
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