Ailman to retire from CalSTRS, country's second-largest pension system

• CalPERS CIO Nicole Musicco quit her post last September after just two years on the job.

Details: CalSTRS will immediately launch a search to replace Ailman.

• He will step down from the CIO post on June 30, but remain a senior adviser through the end of the year.
• The system manages about $305 billion, roughly three times its size when Ailman joined in 2000.
• He's been particularly vocal about the importance of climate change and how institutional investors can help in the energy transition.