Bob Beranek


First Year In Auto Glass Industry: 1973

  • Dean, founder and developer of Auto Glass University
  • Editor of the Auto Glass Journal
  • Recipient of the Len Stolk Outstanding Achievement Award 2006
  • Judge – AGRR Magazine's, Auto Glass Technician Olympics - Current
  • Author
    • The Complete Guide to Auto Glass Installation - A Textbook
    • Glassbytes' "Technically" Speaking Blog
  • Member of Auto Glass Safety Council (AGSC)
    • Board Member
    • Chairman of Standard Development Committee
    • Education Committee Member
  • Developed and instructed auto glass installation training schools
    • NGA's Auto Glass Technical Institute
    • Vitro America
    • Vitro Mexico
    • Ford Motor Company Canada


Alfredo Calva


First Year In Auto Glass Industry: 2001

  • Owner – Alfredo’s Auto Glass in Corona, CA
  • AGSC Master Certified Technician
  • Graduate of Auto Glass University
  • Auto Glass Technician Olympics Competitor
    • Two time finalist
    • Ingenuity Award winner two times in a row
  • Video Producer
    • Developed a YouTube Channel
    • Produces videos to promote safe installations
  • Certified Auto Glass University Instructor
  • Bi-lingual in English and Spanish
Zuhair Madanat

Zuhair Madanat

  • Owner Auto Glass Experts North Carolina
  • AGSC Certified Technician
  • DuPont Adhesives Trained 
  • Sika Adhesives Trained 
  • AGU Graduate with Honors 2020
  • ADAS training through ADAS USA 
  • AGSC certified shop
  • Family started in glass in 1992 so it's been 25 years now.  
  • We have 8 separate auto glass shops in the family across the southeast that are individually owned and operated.
  • B.S. in Marketing from Bradley University in Peoria, IL 
  • M.A. in Philosophy from Mount St. Mary's University in Emmitsburg, MD
  • 3 years of teaching in Peoria, IL as the Director of Religious Education.
  • My role was junior high social studies and religion as well as adult education
  • I have officially been in the AG industry since AGU in 2019, but I have been helping family members for years when I would visit them.  

James Chapman, MAGT

  • First year in Autoglass: 2003
  • Technician Richardson Glass Service
  • AGSC Master Certified
  • Graduate w/Honors of Auto Glass University
  • Autoglass Technician Olympics - 2021 Bronze Medalist
  • Tesla Certified Technician
  • Dupont Certification

Aaron Bradford, MAGT


  • AGSC Master Technician
  • DuPont Adhesives Trained 
  • SRP Adhesives Trained 
  • Sika Adhesives Trained 
  • AGU Graduate
  • 2021 AGTO Finalist (4th place)
  • Driftwood Auto Glass- owner



Windshields Etc, LLC

Edwin (Eddie) Posselt

  • Owner/General Manager at Windshields Etc, LLC
  • Founded Windshields Etc in 2013
  • Manages three shops in three cities.
  • Second generation auto glass installer
  • Became an installer in 1991.
  • Graduated from AGU Oct 2019
  • AGSC certified
  • Fluent in Spanish (spoken and written)
  • Managed an auto glass business in Juarez Mexico from 2000 to 2008
  • PEC and H2S certified (safety training required to enter Oil and Gas facilities)
  • Attended Park University in Fort Bliss 2010 to 2013

Eddie Posselt was born to a mom-and-pop auto glass shop family. He entered the field professionally in 1991 with Safelite and has continued in the auto glass business until present day. Today he owns and manages three shops in three Texas cities, servicing to the Oilfield as well as personal vehicles.