Mark Sebastian Email & Phone Number
Cyber Security Consultant @ HOOPP (Healthcare of Ontario Pension Plan)
5 free lookup(s). No credit card required.
If you need more lookups,
subscriptions start at $34 USD/month.
Mark Sebastian Location
- Toronto, ON, CA
Mark Sebastian Work
- Cyber Security Consultant @ (July 2026 - Present)
- Manager, Cyber Resilience and Offensive Security @ (July 2025 - May 2026)
- Director, Information Security Operations @ (June 2024 - July 2025)
- Interim Director of Security Risk and Access Management @ (September 2023 - June 2024)
- Senior Cyber Security Consultant @ (January 2022 - September 2023)
- Critical Infrastructure Protection Specialist @ (August 2021 - November 2021)
- Senior Consultant - Vulnerability Management @ (January 2019 - June 2021)
- Instructor - Ethical Hacking and Network Defense @ (September 2018 - August 2020)
- Instructor - Windows Operating System Security @ (September 2019 - January 2020)
- Senior Consultant - Security Risk Advisory @ Scalar Decisions (September 2018 - December 2018)
- Senior Cyber Security Consultant @ (January 2017 - June 2018)
- Senior Cyber Security Advisor @ (May 2016 - December 2016)
- Senior Information Security Analyst @ (December 2014 - April 2016)
- Security Compliance Manager @ (April 2014 - December 2014)
- Softchoice @ (April 2011 - April 2014)
- IT Manager @ HMV (April 1999 - April 2001)
- Network Administrator @ MGV Computer Consulting (April 1998 - April 1999)
- POS Administrator @ Timothy's World Coffee (January 1996 - January 1998)
Mark Sebastian Education
- Seneca Polytechnic
Diploma (Computer Programming and Operations)
1994-1996
Mark Sebastian Summary
- Mark Sebastian, based in Toronto, ON, CA, is currently a Cyber Security Consultant at HOOPP (Healthcare of Ontario Pension Plan). Mark Sebastian brings experience from previous roles at EQ Bank | Equitable Bank and HOOPP (Healthcare of Ontario Pension Plan). Mark Sebastian holds a 1994 - 1996 Diploma in Computer Programming and Operations @ Seneca Polytechnic. Mark Sebastian has 1 emails and 1 mobile phone numbers on RocketReach.
Looking for a different Mark Sebastian?
Find contact details for 700 million professionals.
Others Named Mark Sebastian
Mark Sebastian
Chief Investment Officer
Chicago, IL, US
Mark Sebastian
Co-Founder and Director of Digital Media
Sacramento, CA, US
Mark Sebastian
Sr Electrical Embedded Design Engineer
Ellicott City, MD, US
Mark Sebastian
Director of Financial Planning and Analysis
Milton, FL, US
Mark Sebastian
Senior Complex Operations Manager
Selangor, Malaysia
Mark Sebastian
Key opinion leader KOL
Munich, BY, DE
Mark Sebastian
Founder and CEO
Philippines
Mark Sebastian
Finance Manager
Sydney, NSW, AU
Mark Sebastian
Director, Responsible AI Technology and Tools
Moosic, PA, US
Top HOOPP (Healthcare of Ontario Pension Plan) Employees
Carlos Felipe Lopez Suarez
VP Risk Governance
Toronto, ON, CA
Michael Wissell
Chief Investment Officer
Toronto, ON, CA
Andrew Weston
VP, Investment Product Strategy and Transformation
Toronto, ON, CA
Helen Rattee
SVP, Investment Risk
Toronto, ON, CA
Jordan Ostapchuk
Vice President, Strategy and Enterprise Risk
Toronto, ON, CA
Trevor McIntyre
Managing Director, Real Estate
Toronto, ON, CA
Igor Bekker
Managing Director, Public Equities
Toronto, ON, CA
Damien Steel
Chief Technology, Data and AI Officer
Toronto, ON, CA
Jeff Wendling
President and Chief Executive Officer
Toronto, ON, CA
Reena C.
Chief Financial Officer
Toronto, ON, CA
G2 Crowd Trusted
300K+ Plugin Users
© 2026 RocketReach.co