Söllscher was born in Växjö, on the south-east Swedish mainland, and grew up in Kalmar.

Söllscher has regularly played with most Scandinavian orchestras, and has toured North America, Europe, Japan and China.

[2] In 1991 Söllscher participated in an international guitar festival honoring Joaquin Rodrigo, and later joined the Malmö Conservatory faculty.

He is also a professor of guitar at Lund University,[5] and his students include Georg Gulyás and Mattias Schulstad.

He has a wife, Kerstin Söllscher, and two children, Anna, who is a flautist and singer, and Johan, who is a guitarist.