He remained a consultant until 1997 , when he partnered with California Learning Annex and acquired New York Learning Annex .
In 1980 Zanker founded The Learning Annex , which he later sold in 1991 .
Zanker remained a consultant until 1997 , when Zanker partnered with California Learning Annex and acquired New York Learning Annex .
In 1980 Zanker founded The Learning Annex , which he later sold in 1991 .