Together , they are working on improving the fundamentals of Wei 's game .
Wei works with two coaches : Waldemar Holowetzki of the Multnomah Atheletic Club ( Portland , OR ) , and Ken Chauffer of the Clackamas River Racquet Club ( Gladstone , OR ) .
Together , coaches are working on improving the fundamentals of Wei 's game .
Wei works with two coaches : Waldemar Holowetzki of the Multnomah Atheletic Club ( Portland , OR ) , and Ken Chauffer of the Clackamas River Racquet Club ( Gladstone , OR ) .