The Winter, Wyman Companies, a staffing firm serving the northeast, promoted Melissa Cappas Masse to partner and general manager of its human resources contracts division, promoted Sean Dowling to partner and manager of recruiting of its technology contracting division and promoted John-Paul Giugliano to principal of its New York financial contracting division.

Diversified Search, a Philadelphia-based executive search firm, named David Lundgren a managing director for the company’s San Francisco office. Lundgren previously served a principal for HLT Partners, a Wisconsin-based company that focuses on the valuation and acquisition of property casualty and life insurance companies.