London-based PSigma Asset Management has appointed Lachlan Yearsley as operations manager.

Reporting to managing director Ian Chimes, Mr Yearsley will join PSigma’s senior management and UK equities fund management teams. He joins from Credit Suisse where he worked as head of pooled pension administration and pricing and valuations.

“As sub-investment advisor to Premier on four of the Credit Suisse funds it purchased from Aberdeen, Lachlan is completely familiar with these funds as they transition to us at PSigma…We are delighted to be reunited with Lachlan having worked with him for many years,” said Mr Chimes.

PSigma runs five funds and manages £1 billion ($1.66 billion) of assets.