i am computer system validation specialist (pharma),i done all clinical related validations, very good experience in validating analyst ,masslynx,SAS,vms,empower software's and all pharma, clinical related software's.., very much experience in preparing VMP,IQ,OQ,PQ,RA,TM,VSR documents, very much experience and understanding on 21 cfr part 11 and gamp 5.