gMaThacks.com
About gMaThacks.com
Jeff Sackmann, the author of GMAT HACKS, Total GMAT Math, Total GMAT Verbal, Total GRE Math, and a variety of other resources, has been helping students prepare for the GMAT and apply to business school since 2000. Until July, 2005, he worked for one of the large test-prep companies, teaching classroom courses, running workshops, and tutoring. He has also taught the LSAT, GRE, SAT, and countless other specialized admissions and certification exams.
