Johann (John) L. Willers, P.E., R.R.C.

Employment History
1996 to date President, Rooftop Systems Engineers, P.C., Raleigh, NC
1995 - 1996 Senior Project Engineer, Robert M. Stafford, Inc., Raleigh, NC
1983 - 1995 Director, Roof Engineering Services, S&ME, Inc., Raleigh, NC
1969 - 1982 Civil Engineer, Shive-Hattery & Associates, Iowa City, Iowa
1967 - 1969 Structural Designer, Peterson and Appell Engineers, Des Moines, Iowa
1965 - 1967 Construction Engineer Officer, U. S. Army Corps of Engineers, Korea

Education
B.S., Civil Engineering, Iowa State University, 1965

Professional Registrations and Honors
Registered Professional Engineer:
  Iowa, #6379
  New Jersey, #35009
  North Carolina, #11102
  South Carolina, #9892
  Tennessee, #103612
  Virginia, #14717

Registered Roof Consultant: RRC #8

Roof Consultants Institute:
   Fellow of the Institute - 1995
   President's Award - 1994 & 1995

Professional Memberships/Affiliations
American Society of Civil Engineers
Carolinas Roofing & Sheet Metal Contractors Association
Construction Professionals Network of North Carolina, Inc.
National Society of Professional Engineers
National Roofing Contractors Association
Roof Consultants Institute

Fields of Competence
Roof evaluations
Nondestructive moisture surveys (infrared, nuclear, and capacitance)
Design
- reroofing, new construction, and repairs
- wind
- drainage
- problem identification and resolution
Construction contract administration and construction monitoring
Expert testimony
Forensic engineering