ISTA member for life In January 1, 2013, Dr Mahmoud Hafez has been selected to become an honorary, Lifetime full Member of ISTA(International Society for Technology in Arthroplasty) in honour of his contribution to technology in arthroplasty and to ISTA. Dr Hafez was an ISTA HAP Paul Award Recipient in 2010. http://www.istaonline.org/?page_id=842