Marco Bignami took the degree of "GEMMOLOGO IGI" in 1987 at the "Istituto Gemmologico Italiano" in Sesto San Giovanni. He worked as laboratory assistant from 1988 to 2003.

1997-1998: Gemmology teacher, at "Padri Somaschi" in Como.

Marco Bignami has partecipated to many jewels exhibitions, like:
- Italian Spouse, at Golf Club Carimate, fall 1994
- Summer Fashion Exibition, at Palazetto Parini, Cantù, June 1995
- Antiquites fair, in Villa Erba Cernobbio, June 1997
- Showroom at Riva Center, Cantù, November 2002

Marco Bignami has obtained the acknowledgment in "Excellence handicraft Lombardia 2007" in the field of precius materials and artistics traditional jewelries, in 2007.