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The Principal of Lighting Certified Practice, Alex P. Cheng has been affiliated with the following professional organizations:

  • Illuminating Engineering Society of North America (IESNA) - Member Emeritus since 2012
  • American Society of Highway Engineers (ASHE) - Senior Member 1996-2003
  • Institute of Electrical and Electronics Engineer (IEEE) - Elected Member of IEEE 1973
  • Toastmaster International - District 29 Toastmasters; Area 25 Director (2018-2019); Area 24 Director (2019-2020); DTM (June 14, 2020)
  • District 29 Toastmasters Club Coach for Talk It Up NG since January 2019 and Humor Mill since April 2021.
  • National Council on Qualifications of the Lighting Profession (NCQLP) Lighting Certified 1998-2021

Alex P. Cheng, has participated actively in the IESNA Roadway Lighting Committee and Computer Committee. He has been a member of the Sub-Committees "Tunnels and Underpasses", "Standard Practice" and "Fundamental & Education" and "Residential Lighting". He has served as Education Program Director and Instructor (1995-2003) for the IES Susquehanna Section (currently known as Harrisburg Section), the local chapter of IESNA at the Greater Harrisburg, York and Lancaster Areas.

Since April 2013, Alex P. Cheng has been an active member of District 29 Toastmasters serving as Club Officer, Area Director, Club Coach & Speechcraft Coordinator.

© Alex P. Cheng, DTM. Member Emeritus (IESNA).May 2021. All rights reserved.