David Barron was named senior portfolio manager at Legal & General Investment Management Americas, a spokesman said.
It is a new position. Mr. Barron is part of an expansion of LGIMA's $59 billion index fund business. He reports to Shaun Murphy, director of index funds.
Mr. Barron was previously vice president and portfolio manager, quantitative management, at Northern Trust Asset Management, said Doug Holt, Northern Trust spokesman, in an e-mail. Mr. Holt did not say whether Mr. Barron would be replaced.