Nigel Down was named client service director at SEI Investments in...

Nigel Down was named client service director at SEI Investments in London, effective in January, said Patrick Disney, U.K. managing director. It is a new position. Mr. Down was senior account director for U.K. institutional clients at Gartmore. He will be replaced there by Jim Tennant, who was a U.K. equity fSchroderser at Schroders, said Jeanette Perry, Gartmore spokeswoman.