According to a statement by OneVue, Mr Lawler will be responsible for overseeing the company's distribution strategy.
Mr Lawler resigned from his role as chief executive of Yellow Brick Road on 30 September 2016 after five years with the wealth management company.
Commenting on the appointment, OneVue group managing director Connie Mckeage said Mr Lawler's "experience and reputation" are important for OneVue's strategy.
"Matt’s role will deliver additional value to current partnerships with planners and secure new relationships," Ms Mckeage said.
"Matt’s appointment follows the appointments of Richard Harris-Smith, executive general manager, fund services, in February 2016 and Vince Parrott, executive general manager, trustee and governance services last month after the merger with Diversa," she said.
"This rounds out the executive to create an exceptional team with the best skills, breadth of experience and personality to drive the next phase of OneVue’s business growth."
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