Max Thein was born in 1956 in Bremen, Germany. Together with his twelve siblings, he grew up in a family of piano makers. Together with his brother Heinrich Thein he founded in 1972 the company „Max & Heinrich Thein Blechblasinstrumente". In 1982 he obtained the title master of brassinstrument- and percussion making.
As his profession, Max Thein understands to develop individual instruments in productive and joyful cooperation with the musician. Max Thein has been managing the company Thein Brass oHG together with his business partner Olav Brandt since 2015.