Nortel was a multinational telecommunications and data networking equipment manufacturer headquartered in Canada. At its height, Nortel accounted for more than a third of the total valuation of all the companies listed on the Toronto Stock Exchange (TSX), employing 94,500 worldwide. In the 1990s, Nortel absorbed Bell-Northern Research (BNR) into its R&D organization. Founded in 1895, the company ceased operations in 2009.

Between 1988 – 2002, David Pierre Leibovitz worked at BNR/Nortel.


Work Experience


  • Ottawa
  • Harlow


  • DPN-100
  • Passport

External links

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