Client Executive
1997 - 2020
~23 yrs
AeroLeads people directory · profile
David Duff Email & Phone Number
Management Consulting & Project Management
1 work email found
@sierrasystems.com
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 86%
Role
Management Consulting & Project Management
Location
Canada
Who is David Duff? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
David Duff is listed as Management Consulting & Project Management based in Canada. AeroLeads shows a work email signal at sierrasystems.com and a matched LinkedIn profile for David Duff.
David Duff previously worked as Client Executive at Ntt Data Services (Formerly Sierra Systems Inc./Ris) and Market Lead--Toronto at Sierra Systems Inc. David Duff holds Mcpm, Project Management from Schulich School Of Business - York University.
Company email context
Email format at sierrasystems.com
This section adds company-level context without repeating David Duff's masked contact details.
{first}{last}@sierrasystems.com
86% confidence
AeroLeads found 1 current-domain work email signal for David Duff. Compare company email patterns before reaching out.
Profile bio
About David Duff
David Duff is a Management Consulting & Project Management.
Listed skills include Pmp, Sdlc, Business Process Improvement, Project Portfolio Management, and 36 others.
6 roles · 30 years
David Duff work experience
A career timeline built from the work history available for this profile.
Market Lead--Toronto
2010 - 2011
~1 yr
Director Managed Services, Toronto
2003 - 2010
~7 yrs
Vp Ams Services Eastern Region
Sierra Systems Group
Client Executive & Delivery Manager (2014 - 2018)
2011 - 2019
~8 yrs
Sr. Project Manager
Air Canada
2000 - 2003
~3 yrs
Director, Sales & Marketing / Sr. Project Manager
Ris
Program Manager - CIBC Mellon (1999 - 2000)
1997 - 2000
~3 yrs
1 education record
David Duff education
FAQ
Frequently asked questions about David Duff
Quick answers generated from the profile data available on this page.
What is David Duff's role at their current company?
David Duff is listed as Management Consulting & Project Management.
What is David Duff's email address?
AeroLeads has found 1 work email signal at @sierrasystems.com for David Duff.
Where is David Duff based?
David Duff is based in Canada.
What companies has David Duff worked for?
David Duff has worked for Ntt Data Services (Formerly Sierra Systems Inc./Ris), Sierra Systems Inc, Sierra Systems, Sierra Systems Group, and Air Canada.
How can I contact David Duff?
You can use AeroLeads to view verified contact signals for David Duff, including work email, phone, and LinkedIn data when available.
What schools did David Duff attend?
David Duff holds Mcpm, Project Management from Schulich School Of Business - York University.
What skills is David Duff known for?
David Duff is listed with skills including Pmp, Sdlc, Business Process Improvement, Project Portfolio Management, Business Analysis, Pmo, Change Management, and Business Process.
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