Sidney Horn

Director/Board Member at HAIVISION SYSTEMS INC.

Net worth: - $ as of 30/07/2026

75 year

80 connections

Consumer Services

Finance

Process Industries

Profile

Sidney Mortimer Horn is currently Director at Prime Restaurants of Canada, Inc., Matra Plast Industries, Inc., PRC Trademarks, Inc., and Sagen Mortgage Insurance Company Canada.
Mr. Horn is Independent Director at Haivision Systems, Inc. since 2021.
Mr. Horn is Senior Counsel at Stikeman Elliott LLP since 2000.
Mr. Horn is a Member of the Québec Bar Association and the Alberta Bar Association.
Former positions include Independent Director at Seal123, Inc. from 2011 to 2012, Independent Director at Astral Media, Inc. from 2003 to 2013, Lead Director at Sagen MI Canada, Inc. from 2009 to 2012, Director at Prime Restaurant Group, Inc., Landauer Metropolitan, Inc., Prime Restaurants, Inc., and Prime Restaurant Holdings, Inc. Director at Loop Industries, Inc. from 2018 to 2020, Secretary at Richmont Mines, Inc. in 2009, and Partner at Phillips & Vineberg from 1984 to 2000.
Education includes an MBA from The Trustees of Columbia University in The City of New York in 1973, an undergraduate degree from McGill University in 1971, and a graduate degree from McGill University in 1978.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
HAIVISION SYSTEMS, INC. -.--%	15/01/2026	0 ( -.--% )	- $	30/07/2026

Sidney Horn active positions

Companies	Position	Start
HAIVISION SYSTEMS INC.	Director/Board Member	11/03/2021
Alberta Bar Association	Corporate Officer/Principal	08/09/2009
Matra Plast Industries, Inc. Matra Plast Industries, Inc. Chemicals: SpecialtyProcess Industries Manufactures extruded corrugated plastic sheets	Director/Board Member	-
Québec Bar Assoication Québec Bar Assoication Financial ConglomeratesFinance Provides fund management services	Corporate Officer/Principal	17/11/2010
PRC Trademarks, Inc.	Director/Board Member	-
Prime Restaurants of Canada, Inc. Prime Restaurants of Canada, Inc. Hotels/Resorts/Cruise linesConsumer Services Operates restaurant	Director/Board Member	-
Sagen Mortgage Insurance Company Canada Sagen Mortgage Insurance Company Canada Property/Casualty InsuranceFinance Provides residential mortgage insurance services	Director/Board Member	31/12/1994
Stikeman Elliott LLP Stikeman Elliott LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services	General Counsel	-

All active positions of Sidney Horn

Former positions of Sidney Horn

Companies	Position	End
LOOP INDUSTRIES, INC.	Director/Board Member	27/06/2020
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See the detail of Sidney Horn's experience

Training of Sidney Horn

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Sidney Horn's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	20
Seal123, Inc. Seal123, Inc. Apparel/Footwear RetailRetail Trade Operates womens retail apparel stores	Retail Trade
Richmont Mines, Inc. Richmont Mines, Inc. Precious MetalsNon-Energy Minerals Engages in the exploration, operation, financing and development of mineral properties	Non-Energy Minerals
Astral Media, Inc. Astral Media, Inc. BroadcastingConsumer Services Operates and broadcasts television and radio stations	Consumer Services
Sagen MI Canada, Inc. Sagen MI Canada, Inc. Property/Casualty InsuranceFinance Operates as a holding company whose subsidiary provides mortgage insurance services	Finance
The Trustees of Columbia University in The City of New York The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Prime Restaurants of Canada, Inc. Prime Restaurants of Canada, Inc. Hotels/Resorts/Cruise linesConsumer Services Operates restaurant	Consumer Services
Matra Plast Industries, Inc. Matra Plast Industries, Inc. Chemicals: SpecialtyProcess Industries Manufactures extruded corrugated plastic sheets	Process Industries
Stikeman Elliott LLP Stikeman Elliott LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services	Commercial Services
Phillips & Vineberg Phillips & Vineberg Miscellaneous Commercial ServicesCommercial Services Provides legal services	Commercial Services
McGill University McGill University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Prime Restaurant Group, Inc. Prime Restaurant Group, Inc. RestaurantsConsumer Services Mid-priced restaurant franchisor	Consumer Services
Landauer Metropolitan, Inc. Landauer Metropolitan, Inc. Medical SpecialtiesHealth Technology Manufactures and markets medical equipment	Health Technology
Québec Bar Assoication Québec Bar Assoication Financial ConglomeratesFinance Provides fund management services	Finance
Alberta Bar Association
PRC Trademarks, Inc.
Haivision Systems, Inc. Haivision Systems, Inc. Computer PeripheralsElectronic Technology Manufactures and sells video streaming products	Electronic Technology
Sagen Mortgage Insurance Company Canada Sagen Mortgage Insurance Company Canada Property/Casualty InsuranceFinance Provides residential mortgage insurance services	Finance
Prime Restaurants, Inc. Prime Restaurants, Inc. RestaurantsConsumer Services Franchises, owns and operates restaurants and pubs	Consumer Services
Prime Restaurant Holdings, Inc. Prime Restaurant Holdings, Inc. RestaurantsConsumer Services Operates as a holding company whose subsidiaries operates casual dining restaurants	Consumer Services
Loop Industries, Inc. Loop Industries, Inc. Chemicals: SpecialtyProcess Industries Manufactures purified terephthalic acid and ethylene glycol, the fundamental chemical components used in the manufacturing of polyethylene terephthalate plastic	Process Industries