Jack W. Henrich, Bergerson-Caswell Inc. Jack has a Bachelor of Science in Mechanical Engineering. He has been with Bergerson-Caswell, Inc. since 1968 and is currently its President. His certifications include: NGWA – Master Ground Water Contractor, IGSHPA – Accredited Installer, and IGSHPA/GHPC/AEE – Certified GeoExchange Designer. Mr. Henrich is a member of the Interational Ground Source Heat Pump Association Advisory Council, Secretary of the National Ground Water Association, and Past President of the Minnesota Water Well Association.