Ursula Muller was born in Lucerne where she went to school and then worked as an interior decorator. Once she completed her studies at the College of Art and Design in Lucerne. After a stay of study in Paris, she started her own business. In the nineties, she started to concentrate exclusively on jewelry design. Having found her fulfillment, she and her husband established Step by Step in 1994.
In 2012, long-standing employee Heidi Brandenberger took over the company and became managing director. She replaces Fredy Müller, who has retired. Ursula Müller can now focus entirely on her calling as a designer.