Robert VirgileRobert Virgile is an independent SAS trainer and consultant, with 30 years of experience developing and teaching SAS classes. He has published numerous papers and written problem-solving contests for the Northeast SAS Users Group (NESUG) and SAS Globl Forum. Due to his wealth of SAS knowledge, Robert was barred from participating in the NESUG SAS Bowl. His newest title SAS Macro Language Magic allows you to discover and develop powerful programming techniques which will demystify MACROS. All the tricks and secrets are revealed, enabling you to write SAS macros that work like MAGIC. Read More Read Less