Senior Programmer
Current
Jun 2014 - Present
AeroLeads people directory · profile
John Harrison Email & Phone Number
Senior Programmer at BlackLine Systems
at
BlackLine Systems
1 work email found
@blackline.com
2 phones found area 818 and 131
LinkedIn matched
✓ Verified Jul 2026
4 data sources
Profile completeness 86%
Current company
Role
Senior Programmer at BlackLine Systems
Location
Simi Valley, California, United States
Company size
Who is John Harrison? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Harrison is listed as Senior Programmer at BlackLine Systems at BlackLine Systems, a with 1189 employees, based in Simi Valley, California, United States. AeroLeads shows a work email signal at blackline.com, phone signal with area code 818, 131, and a matched LinkedIn profile for John Harrison.
John Harrison previously worked as Senior Programmer at Blackline Systems and Senior Applications Developer at Capgemini. John Harrison studied at California State University, Northridge.
Company email context
Email format at BlackLine Systems
This section adds company-level context without repeating John Harrison's masked contact details.
{first}.{last}@blackline.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Harrison. Compare company email patterns before reaching out.
Profile bio
About John Harrison
John Harrison is a Senior Programmer at BlackLine Systems at BlackLine Systems.
Current workplace
John Harrison's current company
Company context helps verify the profile and gives searchers a useful next step.
Blackline Systems
3 roles
John Harrison work experience
A career timeline built from the work history available for this profile.
Senior Applications Developer
Apr 2009 - Jun 2014
Senior Applications Developer
Warner Bros. Consumer Products
May 2000 - Apr 2009
Team & coworkers
Colleagues at BlackLine Systems
Other employees you can reach at blacklineblog.com. View company contacts for 1189 employees →
TD
Tina Delgado
Colleague at Blackline SystemsLos Angeles, California, United States
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JA
Juan Angel Muñoz Olvera
Colleague at Blackline SystemsSan Nicolás De Los Garza, Nuevo León, Mexico
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CP
Cristina Paraschiv
Colleague at Blackline SystemsBucharest, Romania
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AM
Aarti Mishra
Colleague at Blackline SystemsBengaluru, Karnataka, India
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SL
Sean Lewandowski
Colleague at Blackline SystemsUnited States
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MB
Mark Bell
Colleague at Blackline SystemsLos Angeles County, California, United States
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LP
Lacey Phillips, Cpa
Colleague at Blackline SystemsGreater Palm Bay-Melbourne-Titusville Area, United States
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RB
Raluca Boric
Colleague at Blackline SystemsRomania
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LS
Luis Silva
Colleague at Blackline SystemsMonterrey Metropolitan Area, Mexico
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JH
Joe Hasson
Colleague at Blackline SystemsTorrance, California, United States
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Tina Delgado
Colleague at Blackline SystemsLos Angeles, California, United States
View →
JA
Juan Angel Muñoz Olvera
Colleague at Blackline SystemsSan Nicolás De Los Garza, Nuevo León, Mexico
View →
CP
Cristina Paraschiv
Colleague at Blackline SystemsBucharest, Romania
View →
AM
Aarti Mishra
Colleague at Blackline SystemsBengaluru, Karnataka, India
View →
SL
Sean Lewandowski
Colleague at Blackline SystemsUnited States
View →
MB
Mark Bell
Colleague at Blackline SystemsLos Angeles County, California, United States
View →
LP
Lacey Phillips, Cpa
Colleague at Blackline SystemsGreater Palm Bay-Melbourne-Titusville Area, United States
View →
RB
Raluca Boric
Colleague at Blackline SystemsRomania
View →
LS
Luis Silva
Colleague at Blackline SystemsMonterrey Metropolitan Area, Mexico
View →
JH
Joe Hasson
Colleague at Blackline SystemsTorrance, California, United States
View →
1 education record
John Harrison education
FAQ
Frequently asked questions about John Harrison
Quick answers generated from the profile data available on this page.
What company does John Harrison work for?
John Harrison works for BlackLine Systems.
What is John Harrison's role at BlackLine Systems?
John Harrison is listed as Senior Programmer at BlackLine Systems at BlackLine Systems.
What is John Harrison's email address?
AeroLeads has found 1 work email signal at @blackline.com for John Harrison at BlackLine Systems.
What is John Harrison's phone number?
AeroLeads has found 2 phone signal(s) with area code 818, 131 for John Harrison at BlackLine Systems.
Where is John Harrison based?
John Harrison is based in Simi Valley, California, United States while working with BlackLine Systems.
What companies has John Harrison worked for?
John Harrison has worked for Blackline Systems, Capgemini, and Warner Bros. Consumer Products.
Who are John Harrison's colleagues at BlackLine Systems?
John Harrison's colleagues at BlackLine Systems include Tina Delgado, Juan Angel Muñoz Olvera, Cristina Paraschiv, Aarti Mishra, and Sean Lewandowski.
How can I contact John Harrison?
You can use AeroLeads to view verified contact signals for John Harrison at BlackLine Systems, including work email, phone, and LinkedIn data when available.
What schools did John Harrison attend?
John Harrison studied at California State University, Northridge.
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