Our Team

  • Bernie Knaack

    Owner / General Manager – Sales / Estimating
    Bernie started in the construction business as a residential carpenter in 1980. In 1989 he began commercial construction as an apprentice lather and completed his apprenticeship in 1991. Experienced in all areas of construction from excavation to finish carpentry, he started Knaack Construction in 1994. Construction Specialties, Inc. (CSI), was created in the summer of 2004. Outside interests include camping, kayaking, and golf.

  • Boyd Bruin

    Sales / Estimating
    Boyd began working in the construction industry in 1977, and has experience in several construction disciplines including, concrete, electrical, electrical sales, and as a licensed residential builder. He started installing trusses for CSI as a subcontractor in 2008; later becoming a direct hire in 2011. In June of 2013, Boyd moved from the field to the office, taking on bidding and sales responsibilities. When he’s not selling truss installs, his interests include his family, church, camping, golf, and rooting for Michigan State.

  • Phil Koert

    Project Management – Light Gauge Truss / Panel Projects
    Phil has a Bachelors Degree in Business Management with a Project Management specialty from Davenport University. He has been a member of the CSI team since 2005; working part time in the field during summer breaks, and on local jobs throughout the year. Since completing his degree he has transitioned to a full time member of the team.

  • Seth Jadin

    Project Management – Structural / Pre-engineered Steel Projects
    Seth started working for our team in 2009. He quickly went from working in the field to performing take offs and managing jobs from the office. When he is not working, you can find him fishing on the river or in the woods hunting.

  • Justin Koert


  • Joe Novack


  • Sal Koert