AeroLeads people directory · profile
David Graser Email & Phone Number
Supt., Waste and Wastewater
at
Tesoro
1 work email found
@tsocorp.com
3 phones found area 925
LinkedIn matched
✓ Verified August 2026
4 data sources
Profile completeness 100%
Current company
Role
Supt., Waste and Wastewater
Location
Clayton, California, United States
Company size
Who is David Graser? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
David Graser is listed as Supt., Waste and Wastewater at Tesoro, a with 1971 employees, based in Clayton, California, United States. AeroLeads shows a work email signal at tsocorp.com, phone signal with area code 925, and a matched LinkedIn profile for David Graser.
David Graser previously worked as Supt., Waste & Wastewater at Tesoro. David Graser holds Bachelor Of Science (B.S.), Mechanical Engineering from Uc Santa Barbara.
Company email context
Email format at Tesoro
This section adds company-level context without repeating David Graser's masked contact details.
{first_initial}{last}@tsocorp.com
89% confidence
AeroLeads found 1 current-domain work email signal for David Graser. Compare company email patterns before reaching out.
Profile bio
About David Graser
David Graser is a Supt., Waste and Wastewater at Tesoro. He possess expertise in petroleum, refinery, energy, environmental compliance, gas and 15 more skills.
Listed skills include Petroleum, Refinery, Energy, Environmental Compliance, and 16 others.
Current workplace
David Graser's current company
Company context helps verify the profile and gives searchers a useful next step.
Tesoro
2 roles
David Graser work experience
A career timeline built from the work history available for this profile.
Supt., Waste & Wastewater
Team & coworkers
Colleagues at Tesoro
Other employees you can reach at tsocorp.com. View company contacts for 1971 employees →
SK
Steve Keller
Colleague at TesoroMission Viejo, California, United States
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TJ
Ted Jenkins
Colleague at TesoroRock Springs, Wyoming, United States
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TA
Tim Arias
Colleague at TesoroWest Sacramento, California, United States
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JH
Justin Henry
Colleague at TesoroDenver, Colorado, United States
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RW
Robert Walker
Colleague at TesoroHonolulu County, Hawaii, United States
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AG
Axel Gallon
Colleague at TesoroDuarte, California, United States
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AC
Adam Cluff
Colleague at TesoroLayton, Utah, United States
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RR
Ron Rogers
Colleague at TesoroLa Palma, California, United States
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CR
Chavez R
Colleague at TesoroCarson, California, United States
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CP
Carlos P. De Almeida
Colleague at TesoroKapolei, Hawaii, United States
View →
Steve Keller
Colleague at TesoroMission Viejo, California, United States
View →
TJ
Ted Jenkins
Colleague at TesoroRock Springs, Wyoming, United States
View →
TA
Tim Arias
Colleague at TesoroWest Sacramento, California, United States
View →
JH
Justin Henry
Colleague at TesoroDenver, Colorado, United States
View →
RW
Robert Walker
Colleague at TesoroHonolulu County, Hawaii, United States
View →
AG
Axel Gallon
Colleague at TesoroDuarte, California, United States
View →
AC
Adam Cluff
Colleague at TesoroLayton, Utah, United States
View →
RR
Ron Rogers
Colleague at TesoroLa Palma, California, United States
View →
CR
Chavez R
Colleague at TesoroCarson, California, United States
View →
CP
Carlos P. De Almeida
Colleague at TesoroKapolei, Hawaii, United States
View →
1 education record
David Graser education
FAQ
Frequently asked questions about David Graser
Quick answers generated from the profile data available on this page.
What company does David Graser work for?
David Graser works for Tesoro.
What is David Graser's role at Tesoro?
David Graser is listed as Supt., Waste and Wastewater at Tesoro.
What is David Graser's email address?
AeroLeads has found 1 work email signal at @tsocorp.com for David Graser at Tesoro.
What is David Graser's phone number?
AeroLeads has found 3 phone signal(s) with area code 925 for David Graser at Tesoro.
Where is David Graser based?
David Graser is based in Clayton, California, United States while working with Tesoro.
What companies has David Graser worked for?
David Graser has worked for Tesoro.
Who are David Graser's colleagues at Tesoro?
David Graser's colleagues at Tesoro include Steve Keller, Ted Jenkins, Tim Arias, Justin Henry, and Robert Walker.
How can I contact David Graser?
You can use AeroLeads to view verified contact signals for David Graser at Tesoro, including work email, phone, and LinkedIn data when available.
What schools did David Graser attend?
David Graser holds Bachelor Of Science (B.S.), Mechanical Engineering from Uc Santa Barbara.
What skills is David Graser known for?
David Graser is listed with skills including Petroleum, Refinery, Energy, Environmental Compliance, Gas, Project Management, Pipelines, and Engineering.
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