David Lemstra: Email & Phone Number

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ARS Specialist at ENMAX|Calgary, Alberta, Canada

Position:

ARS Specialist at ENMAX

Location:

Calgary, Alberta, Canada

View David Lemstra's Email

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Last updated: 2026-07-09

Updated: 2026-07-09

Found email addresses for David Lemstra:

Business emails:

l***********d@enmax.com

Personal emails:

d***@aesi-inc.com,

l***@opg.com,

d***@aol.com

Found phones for David Lemstra:

+1-778-***-**56,

+1-778-***-**32,

+1-902-***-**53,

+1-778-***-**16

A different David Lemstra?

Work Experience 26 years

ARS Specialist at ENMAX

Aug 2025 - Current

Senior Compliance Specialist at Alberta Electric System Operator (AESO)

Oct 2020 - Sep 2025

Regulatory Analyst, Senior Information System Specialist at Ontario Power Generation

Jan 2016 - Jan 2020

System Analyst at Acumen

Jan 2012 - Jan 2016

Co-founder, Designer, Developer at Help Your Cell Inc./Cell Plan Expert Ltd.

Jan 2006 - Jan 2012

Research And Teaching Assistant at McMaster University

Jan 2002 - Jan 2006

Software Test Analysis and Development at Legato Systems Canada Inc.

May 2001 - Aug 2001

Engineering and Maintenance Control Systems at ArcelorMittal Dofasco

May 2000 - Aug 2000

David Lemstra started working in 2000, then the employee has changed 7 companies and 7 jobs. On average, David Lemstra works for one company for 3 years 1 month.

Their professional focus is Auditing, CIP, and Cybersecurity across 3 core areas.

Education

Master of Applied Science in Computer Engineering at Faculty of Engineering - McMaster University

Bachelor of Computer Engineering & Management at Faculty of Engineering - McMaster University

Frequently Asked Questions

What is David Lemstra's email address?

SignalHire found verified email addresses for David Lemstra, both business and personal. Their business email is l***********d@enmax.com, and personal emails include d***@aesi-inc.com, l***@opg.com, and d***@aol.com.

What is David Lemstra's phone number?

SignalHire found multiple verified phone numbers for David Lemstra: +1-778-***-**56, +1-778-***-**32, and +1-902-***-**53.

How do I contact David Lemstra at ENMAX?

You can reach David Lemstra through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is David Lemstra's professional background?

David Lemstra has 26 years of professional experience. They have held roles including Senior Compliance Specialist, Regulatory Analyst, Senior Information System Specialist, and System Analyst at companies such as Alberta Electric System Operator (AESO), Ontario Power Generation, and Acumen. Their education includes Master of Applied Science in Computer Engineering from Faculty of Engineering - McMaster University, and Bachelor of Computer Engineering & Management from Faculty of Engineering - McMaster University.

Is David Lemstra's contact information up to date?

Yes. David Lemstra's SignalHire profile was last updated on 9 July 2026, reflecting their current position as ARS Specialist at ENMAX in Calgary, Alberta, Canada.

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