Marius Sima - Email & Phone Number

Senior Manager, Cyber Security and Infrastructure at Oec

Marius Sima is based out of Greater Toronto Area, Canada and works at Oec as Senior Manager, Cyber Security and Infrastructure.

Marius Sima's Contact Information

Marius Sima's Work email

m*****@oeco***.ca

Valid

Latest update

October 25, 2025

Location

Greater Toronto Area, Canada

Marius's current employer

Oec

Description

Website

oecorp.ca

HQ Location

Oakville, Ontario, Canada

Number of employees

1001-5000

Industry

Professional Organizations

Latest update

April 30, 2024

Read about Oec

Frequent questions about Marius Sima

What company is Marius Sima working for?

Marius Sima works for Oec.

What is Marius Sima's function at Oec?

Marius Sima is Senior Manager, Cyber Security and Infrastructure at Oec.

Where is Marius Sima based?

Marius Sima is based out of Greater Toronto Area, Canada.

What is Marius Sima's work email address?

Marius Sima's professional email address is m*****@oeco***.ca

Who are Marius Sima's co-workers?

Marius Sima's colleagues are Marna Irani, Rob Lister, Olalla RB, Cordell Randell, Mary Caputi, Scott Plugers, Kerry Penner, Jad Elsohemy, Scott Mudie, Patrick Gillette, Doug Walton, Brad Gowan, Mike Bell, Douglas Culbert, John MacFarlane, Bill Begley, Radmila Rosic, Maryann McKenna-Losier, David Brennan, Ambalavanan Meenakshisundaram, Laura Wilson, Jeff Mocha, Brian Morris, Nesta Gravesandy-Young, Michael Wang, Sean McCaughan, Eisha Zaveri, Ajenthan Ramanathan, Kimberly Neal, Belinda Parkes, Aarti Deshmukh, Paul Muller, Annie Pétrin, Zorine Fernandes, Lorena CHRP.

Marius's co-workers

Marna Irani

Executive Assistant to the President/CEO and the Chief Growth and Strategy Officer

Vice President - Construction Operations

Mary Caputi

EVP, Chief of Staff and Corporate Development

Scott Plugers

Vice President, Financial Performance

Kerry Penner

Vice President, Enterprise Advancement

Jad Elsohemy

Vice President Technology and Innovation

Scott Mudie

EVP and Chief Energy Transformation Officer

Patrick Gillette

VP Generation

Doug Walton

Vice President Business Development

Brad Gowan

Director, Business Development Asset Management

Mike Bell

Director, Business Development Western Canada

Douglas Culbert

Director Innovation and Digital Solutions

John MacFarlane

Director, Enterprise Treasury and Tax Performance

Bill Begley

Director Of Business Development

Radmila Rosic

DIRECTOR, DIGITAL SOLUTIONS

Maryann McKenna-Losier

Director, People Excellence and Employee Experience

David Brennan

Board Chair and Director

Ambalavanan Meenakshisundaram

Manager - Digital Applications

Laura Wilson

Chief Financial Officer

Jeff Mocha

Chief Engineering and Innovation Officer

Brian Morris

National Account Manager

Nesta Gravesandy-Young

Senior Enterprise Accountant

Michael Wang

Manager, ERM and Internal Audit

Sean McCaughan

Chief Strategy & Growth Officer

Eisha Zaveri

Corporate Controller, Financial Performance

Ajenthan Ramanathan

Senior Analyst, Financial Performance

Kimberly Neal

Environment, Health and Safety Manager

Belinda Parkes

Executive Assistant

Aarti Deshmukh

Manager - Financial Performance & Accounting at OEC

Paul Muller

Manager, IT Service Desk

Annie Pétrin

Manager, Creative Content & Brand

Zorine Fernandes

Chief People and Culture Officer

Lorena CHRP

Business Partner, People Excellence

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