Wennik & Motta has hired Hannah Holden as a senior recruiter and Paula Pinheiro has come aboard as a senior account executive. Holden is responsible for staff hiring and placement as well as overseeing the relationships between clients and new hires. Holden has served as a vp at Havas’ Arnold, Boston. Pinheiro takes charge of new business development. She had been marketing director at the Bennett Group. Wennick & Motta in Boston places marketing and creative professionals.