Impellam Group PLC, a global staffing provider, appointed Eileen Kelliher as a non-executive director. Kelliher has more than 20 years of merger and acquisitions and corporate experience. Kelliher previously served as an associate and equity partner at Allen & Overy LLP from 2001 until 2012.

EmploymentGroup, a Battle Creek, Mich.-based staffing provider, appointed Robert O’Hare as executive vice president, sales and marketing. O’Hare has more than 25 years of sales management experience, including previous experience as senior vice president of business development for a training solutions company.