by
Hassan S Al Jabri , Consultant Business Development - Human Capital , Various Multi-national, Private - Semi-Government Organizations
Please have a look below website might help to get answers:
http://www.hrci.org/HRCertification/
http://www.shrm.org/Certification/Pages/default.aspx
http://www.cipd.co.uk/qualifications/choose/default.htm
Goodluck
Hassan