Photo of Benny Siljenberg, P.E.

Benny Siljenberg, P.E.

Founder and Vice President of Lithos Engineering

Benny is a founder and Vice President of Lithos Engineering. Benny’s career has focused on underground design and construction projects, primarily in involving new trenchless installation, affording him an in-depth understanding of the current state of practice. Benny’s involvement with NASTT includes volunteering with the Rocky Mountain Chapter of NASTT, including the Vice Chair position, serving on the NASTT No-Dig Show Program Committee and authoring and presenting various papers for the No-Dig conference.

Lithos Engineering