Petrus Jacobus Groot - born in Heemskerk, Holland. Started to play the flute at the age of 10. Later decided to learn the skills of instrument making and repairing. He absolved the silversmith college in Schoonhoven and continued to work for various famous musical instrument companies such as Trevor James in London or Werner Fischer in Bremen which he still cooperates with. In 1998 he founded his own company in the Czech Republic. Since then the amount of customers has steadily grown. Now the scale of customers consists of pupils from basic musical schools and students of conservatories to the orchestras in the whole Czech Republic, Slovakia and Poland.