Cynthia Johnston

Cynthia Johnston

Director/Board Member at ALTAGAS LTD.

Net worth: 337 125 $ as of 2026-05-30

64 year
Utilities
Consumer Services
Distribution Services

Profile

Cynthia Johnston is currently an Independent Director at Russel Metals, Inc. since 2021.
Ms. Johnston is a Director at CORIX Infrastructure, Inc. and Corix Group of Cos.
since 2019.
Ms. Johnston is an Independent Director at AltaGas Ltd. since 2018.
Ms. Johnston is a Member of the Institute of Corporate Directors.
Ms. Johnston is a Member of the Governors Board at Lethbridge College.
Formerly, Ms. Johnston was a Director at TransAlta Cogeneration LP.
Ms. Johnston was Chief Operating Officer & Non-Independent Director at TransAlta Renewables, Inc. from 2013 to 2017.
Ms. Johnston was a Director at Big Bros.
& Big Sisters Society of Calgary & Area.
Ms. Johnston was a Director at Alberta Mentor Foundation For Youth.
Ms. Johnston was EVP-Gas, Renewables & Operations Services at TransAlta Corp.
from 2015 to 2017.
Ms. Johnston was President at Tama Transmission LP from 2013 to 2015.
Ms. Johnston completed graduate studies at the University of Victoria in 1986.
Ms. Johnston completed undergraduate studies at the University of Calgary in 1984.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
2026-06-21 7,500 ( 0% ) 291 825 $ 2026-05-30
2026-06-14 1,000 ( 0% ) 45 300 $ 2026-05-30

Cynthia Johnston active positions

CompaniesPositionStart
ALTAGAS LTD. Director/Board Member 2018-07-24
RUSSEL METALS INC. Director/Board Member 2021-04-30
Director/Board Member -
Corporate Officer/Principal -
Director/Board Member 2019-11-30
Director/Board Member 2019-11-30

Former positions of Cynthia Johnston

CompaniesPositionEnd
TRANSALTA CORPORATION Corporate Officer/Principal 2016-12-31
President 2014-12-31
Director/Board Member -
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See the detail of Cynthia Johnston's experience

Training of Cynthia Johnston

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

58

1st degree connections

14

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies14

Distribution Services

Utilities

Utilities

Utilities

Consumer Services

Consumer Services

Utilities

Commercial Services

Utilities

Consumer Services

Utilities

Industrial Services

Big Bros. & Big Sisters Society of Calgary & Area

Alberta Mentor Foundation For Youth

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