Financial services firm Raymond James announced several new appointments to its senior leadership team ahead of the expected departure of Dick Averitt from his current role as Raymond James Financial Services chairman and chief executive in the coming year.

With Averitt expected to leave that post, the firm has promoted Dennis Zank, currently the president of unit Raymond James & Associates, to serve as its parent company’s chief operating officer. Zank has served in his current position for nine years, and was previously the executive vice president of operations and administration.

Chet Helck will continue to lead Raymond James’s Global Private Client Group.

Scott Curtis will now serve as president of Raymond James Financial Services and managing director of the firm’s independent contractor division. Curtis has served as senior vice president of Raymond James & Associates private client group for the past six years, and previously served as president of the firm’s insurance business, which is now named Raymond James Insurance Group.

Tash Elwyn will succeed Zank as president of Raymond James & Associates’ private client business. Elwyn has served as Atlantic divisional director for the past five years, after having also served as divisional sales manager and branch manager at the firm. He joined Raymond James in 1993.

Elwyn will report to Helck in his new role.

Averitt has led Raymond James Financial Services since 2002, served on its management team since 1984. He first joined the firm in 1978 as a financial planner and registered representative.

The appointments will become effective on Jan. 3, 2012.