Raymond Tierney was named global head of equity trading at Morgan...

Raymond Tierney was named global head of equity trading at Morgan Stanley Investment Management, confirmed spokeswoman Andrea Slattery. It is a new position. Mr. Tierney will be responsible for managing equity trading teams and building out the existing trading platform. He will join MSIM in September, reporting to Dennis Shea, managing director, CIO and head of the global equity group. Mr. Tierney was a managing director and head of Morgan Stanley's North American cash sales trading.

William Thielen was named COO for the $14 billion Kentucky Retirement Systems, Frankfort, confirmed Marlane Robinson, human resources director. He reports to Executive Director William Hanes. Mr. Thielen replaced Gordon "Don" Mullis, who resigned in April. Mr. Thielen had been policy development specialist for the Kentucky League of Cities.

Thomas Toy was named manager-benefit plan investments, accounting and analytics for Chevron Corp., San Ramon, Calif., succeeding Bill Clutter, who was named accounting manger for Chevron International Exploration and Production. Mr. Toy had been manager of Chevron's forecast and reporting group. The company had $26.7 billion in retirement plan assets as of Sept. 30.