Justin graduated from Lincoln Technical Institute with a Diploma in Architectural Drafting and CAD Technology in 1995. After working as a general contractor for several years, he became an owner of Petersen & Son General Contractors, responsible for designing, building, and managing residential and commercial construction projects. He also has experience serving as a project manager for McGuinness Excavation, where he was responsible for supervising the construction of many new homes and small commercial buildings. He has been responsible for designing a wide range of commercial, residential and institutional projects at Amara Associates. With extensive construction experience and a high level of expertise utilizing architectural drafting software, he produces documents of exceptional quality. He is a LEED Accredited Professional and he directs all  sustainability matters on projects that desire certification.