Colliers Engineering & Design*Home > Colliers Engineering & Design* Back to Search Colliers Engineering & Design* Send Email Contacts Primary Lisa Dolphin National Market Lead Fiorella Aliaga Engineer Jim Guistina Regional Discipline Leader Greg Johnson Water Discipline Leader Todd Mueller PM and Lead for Dams and Waterway Structures Diego Rivera Project Manager - Waterway Structures Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone