—Jim Grubbs – Owner

Prior to joining the wireless industry Jim worked in the construction industry and Facility Services Group on contract at Tennessee Valley Authority (TVA).  Jim started in the wireless industry in 1997 as an Implementation Manager for Sprint PCS.  His experience in the construction industry and managing field crews provided a great base for managing the Sprint PCS build-out in East Tennessee.  In July of 1999 Sprint PCS closed their engineering offices in Knoxville, TN and he started Integrity Management.  His experience in project management has helped to take the company to where it is today.


Master of Building Construction, August 1991

School of Building Construction, University of Florida

Bachelor of Science in Industrial Engineering, August 1986

College of Engineering, University of Florida

Certificate in Project Management, May 1987

Graduate School of Business Administration, Michigan State University



Bill Von Ohlen – Director of Operations

Bill started in the wireless industry in 1997 as an Implementation Engineer for Sprint PCS.  He then worked as a Territory Manager for SBA Towers, Inc. and Construction Project Manager for Cricket Communications before joining Integrity Management in 2001.  Bill has helped to develop processes and train employees throughout the years.  His desire to understand all the industry in all aspects has made him one of the main forces in Integrity Management’s success.


Bachelor of Science Degree, April 1986

Florida International University, Miami, Florida

Majored in Advertising with a Minor in Business Management