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About IID

Meet John Sinkevicius

Founder / Level II Certified Infrared Thermographer®

John Sinkevicius founded Independent Infrared Diagnostics to provide independent commercial electrical thermography for Chicago-area facilities. His background is in commercial and institutional building operations, and he currently serves as an Assistant Chief Engineer at the University of Illinois Chicago.

Portrait of John Sinkevicius wearing a blue suit jacket

01 / Experience

Building operations experience.

John's background, since entering the industry in 2003, helps him understand the practical demands of an inspection: equipment access, maintenance planning, and coordination with facility staff and trades.

  • Commercial building operations
  • Preventive maintenance
  • Electrical distribution systems
  • Utilities
  • Troubleshooting
  • Trade and contractor coordination
  • Shutdown and project coordination
  • Facility reliability

02 / Certification and training

Certification and training.

Level II Certified Infrared Thermographer®

Infraspection Institute

  • Electrical I & II — Triton College
  • HVAC I & II — Triton College
  • Operating Engineer / Building Systems Training — IUOE Local 399
  • OSHA 10-Hour General Industry Safety Training

03 / Owner-led inspection

The person who scopes the work is the person who performs the inspection.

You work directly with the same specialist from inspection through reporting. IID does not sell electrical repairs, keeping the assessment independent of the corrective work.

04 / Contact

Talk with John about your electrical systems.

Have an inspection in mind or a question about the report? Contact John directly, or send a short inquiry.