Katrin Waelz (born 1978) started to practice traditional Yang Family Tai Chi Chuan in 2009 with Frank Grothstueck in Cologne, Germany.

Since 2010 she also practises the Tai Chi weapons and Tuishou.
She is a certified student of Master Teng Jian, from whom she learned the Daoyin-Form ‘The Five Animals’.

She teaches beginners of Tai Chi as well as advanced students.
Her classes all take place in the Yang Family Tai Chi Chuan Center in Cologne, Germany.