Dean Thiery

AVP, Mortgage Loan Officer

Office: 701-751-8507

Mobile: 701-650-6131

Email: dthiery@firstintlbank.com

Fax: 701-751-8510

NMLS: #631942

Dean has worked in the banking industry since 1992. His extensive knowledge and passion for the mortgage industry allows him to help his customers with any of their home financing needs, whether it’s a first time home buyer, a construction loan, purchasing a new home or refinancing a current home.

Dean attended Valley City State University, with a concentration in business management and earned a degree in accounting and business management from Interstate Business College. He is a member of the Bismarck Mandan Realtors Association, the Bismarck Mandan Home Builders Association, and he also serves on the credit approval committee for Community Works ND. In his free time, Dean participates in and coaches youth basketball in the Bismarck area.


"I want to thank Dean for all that he did for my husband and I. He was amazing to work with and never gave up on us. He helped in any way he could to get us where we needed to be in order to call our home ours. When we first started with him we were far from being home owners, but not even 6 months later here we are! It was his guidance, knowledge, and compassion for what he does that got us here! So again, thank you Dean for never giving up on us!" -Nicole T.

  • "Dean was absolutely wonderful! He was always available and answered all of our questions. I highly recommend him to everyone!‚Äč" -Brandon B.
  • "Dean Thiery is your rock star.  I have and will keep referring friends and family to Dean." -Chad S.
  • "Dean is never less than awesome to work with. I cannot thank him enough. He is always a professional, very respectful and kind to work with!" -Ryan F.