History
Mark Wahl is the owner and director of Mark Wahl Learning Services in Langley, WA and offers classes in Seattle. He has been both a mathematics learning specialist since the 1980's and a test preparation specialist since 1986. He is an author of 4 books and has been a professional development trainer of many hundreds of teachers. He taught a GRE Prep course at the University of Washington fo rover 20 years.
Specialties
GRE Prep Classes for the whole test. Local in Seattle near Greenwood. Next class series of three megaseminars is July 6, 13, 20, Wed Evenings, 5:30 - 9:45 pm. and a Math Skill Reboot On Saturday July 9 at 12:30 - 4:45 pm. Info go to GREPrepSeattle dot com. Experience confidence, clarity and common sense as you tackle the new GRE. Mark Wahl's widely acclaimed GRE Prep Course is taught in the Greenwood area of Seattle (525 N 85th). (This is the instructor thousands appreciated when it was offered at the University Of Washington through the UW Women's Center for years.)