CIPD Charted Institute of Personnel and Development (Based in UK) - http://www.cipd.co.uk/
Hiatt Career Center by Brandeis University - http://www.brandeis.edu/hiatt/
Institute of Recruiters IOR - Recruitment Professional Association, offering members education, support and training.
WorldatWork - Focus on 'Total Rewards' e.g. compensation, benefits, work life, performance, recognition, career development, Certifications and training programmes