Your Preferred Showroom

  • Pella Windows & Doors of Gaithersburg202 Perry Parkway Suite 6Gaithersburg, MD 20877Showroom Details

Other Showrooms Near You

John Oostema

John Oostema is an Account Specialist in the Architect & Builder Division for Pella Windows and Doors in Grand Rapids. He’s been working for Pella since 2017. John grew up in Grand Rapids, and he attended school at both Grace Bible College and Aquinas College. Prior to Pella, John worked for West Side Beer Distribution. He enjoys hanging out with his family (his wife and their son), playing sports and spending a day at the beach when he’s not in the office.


  • Energy Star Partner logo
  • fgia
  • Pella Limited Lifetime Warranty logo
  • Property Brothers Buying + Selling logo