The ABS Group of Cos. board has elected David Weinstein to president and chief executive officer. Weinstein, currently ABS vice president of strategic development, replaces Tony Nassif, who was recently elected executive vice president and chief operating officer of ABS. He joined the classification society in October 2010 after more than 25 years as a strategy consultant in the transportation, energy and manufacturing sectors. Prior to joining ABS, he was a partner i...