Our Staff

Our Staff

Engineering Staff:

Lindsay C. Erdman, P.E. & P.L.S., President

John Hjelle, P.E., a member of the firm since 1995

Jake Hildebrand, E.I. & L.S.I., a member of the firm since 2005

Jesse Kuennen, a member of the firm since 1999
    CADD Specialist Certification
    Certified PCC and Aggregate Technician

Surveying Staff:

John Iverson, Survey Crew Chief.  A member of the firm since 1984.
    Primary Responsibility: Land Surveying Project Manager.
    Certified PCC & Aggregate Plant Technician

Tony Meyer, Retired in 2014 after 42 years.

Joseph Dietzenbach, Survey Technician. Joined the firm in 2011.

Support Staff:

Karla Erdman, Administrative Assistant.  A member of the firm since 1995.
    Responsible for accounting and financial reporting.

Jessica Sloan, Office Assistant.  Joined the firm in 2008. 
    Responsible for Project Records and Documentation