MLC Asset Management has appointed a new co-head of private equity, to work alongside New York based Marek Herchel. : MLC Asset Management has appointed a new co-head of private equity, to work alongside New York based Marek Herchel. Kristian Zimmermann was most recently a senior director and head of investment review team at Temasek in Singapore. Prior to this, he held senior roles at Commonwealth Bank of Australia, Macquarie, Deutsche and Merrill Lynch. Herchel will continue to drive the investment agenda globally, while Zimmermann will focus on growing the Australian business, MLC Asset Management said.