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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 - DTM (June 14,2020);District 29 Toastmasters: Select Distinguished Area 25 Director (2018-2019) & President Distinguished Area 24 Director (2019-2020)
  • Virginia County of Fairfax DPWES Streetlights Hall of Fame - Inducted June 15, 2015
  • 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.

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