Reda Daher has taken on the BDM role with Ibbotson Associates after working at Midwinter's software sales and support division for the past seven years.
Ibbotson's head of distribution, Matthew Esler, said Mr Daher's appointment comes at a time when the company is looking to expand its distribution team.
"[Mr Daher] will be based in Sydney, working with a team of six and myself," Mr Esler said.
"Within that team we will [also] be looking to bring on at least three or four members in the next few months."
Commenting on Mr Daher's departure from Midwinter, managing director Julian Plummer said the company is now "actively recruiting" to fill his position.
"Reda has been an ongoing asset to Midwinter and we wish him well as he pursues new opportunities within the finance sector," Mr Plummer said.