William Sim
2 email domains
AeroLeads people directory · profile
William Sim Email & Phone Number
Quality Director at Cal Tech Precision Inc
at
Cal Tech Precision Inc
1 work email found
@caltechprecision.com
LinkedIn matched
✓ Verified May 2026
3 data sources
Profile completeness 86%
Current company
Role
Quality Director at Cal Tech Precision Inc
Location
Rowland Heights, California, United States
Company size
Who is William Sim? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
William Sim is listed as Quality Director at Cal Tech Precision Inc at Cal Tech Precision Inc, a company with 31 employees, based in Rowland Heights, California, United States. AeroLeads shows a work email signal at caltechprecision.com and a matched LinkedIn profile for William Sim.
William Sim previously worked as Quality Director at Cal Tech Precision Inc.
Company email context
Email format at Cal Tech Precision Inc
This section adds company-level context without repeating William Sim's masked contact details.
{first_initial}{last}@caltechprecision.com
89% confidence
AeroLeads found 1 current-domain work email signal for William Sim. Compare company email patterns before reaching out.
Profile bio
About William Sim
William Sim is a Quality Director at Cal Tech Precision Inc at Cal Tech Precision Inc. He possess expertise in quality system, as9100, supplier quality, manufacturing, spc and 9 more skills.
Listed skills include Quality System, As9100, Supplier Quality, Manufacturing, and 10 others.
Current workplace
William Sim's current company
Company context helps verify the profile and gives searchers a useful next step.
Cal Tech Precision Inc
1 role
William Sim work experience
A career timeline built from the work history available for this profile.
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Quality Director
Team & coworkers
Colleagues at Cal Tech Precision Inc
Other employees you can reach at caltechprecision.com. View company contacts for 31 employees →
JH
Jasmin Herrera, Phrca
Colleague at Cal Tech Precision IncAnaheim, California, United States, United States
View →
WS
William Sim
Colleague at Cal Tech Precision IncRowland Heights, California, United States, United States
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RY
Robert Young
Colleague at Cal Tech Precision IncLos Angeles Metropolitan Area, United States
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SC
Sheldon Cooper
Colleague at Cal Tech Precision IncBeverly Hills, California, United States, United States
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UB
Urban Bianchi
Colleague at Cal Tech Precision IncLa Habra, California, United States, United States
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DR
Dallas Ross
Colleague at Cal Tech Precision IncLong Beach, California, United States, United States
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RL
Richard Luna
Colleague at Cal Tech Precision IncRialto, California, United States, United States
View →
BS
Branden Scruggs
Colleague at Cal Tech Precision IncLake Elsinore, California, United States, United States
View →
BS
Ben Sexton
Colleague at Cal Tech Precision IncAnaheim, California, United States, United States
View →
JS
Jay Simms
Colleague at Cal Tech Precision IncAnaheim, California, United States, United States
View →
Jasmin Herrera, Phrca
Colleague at Cal Tech Precision IncAnaheim, California, United States, United States
View →
WS
William Sim
Colleague at Cal Tech Precision IncRowland Heights, California, United States, United States
View →
RY
Robert Young
Colleague at Cal Tech Precision IncLos Angeles Metropolitan Area, United States
View →
SC
Sheldon Cooper
Colleague at Cal Tech Precision IncBeverly Hills, California, United States, United States
View →
UB
Urban Bianchi
Colleague at Cal Tech Precision IncLa Habra, California, United States, United States
View →
DR
Dallas Ross
Colleague at Cal Tech Precision IncLong Beach, California, United States, United States
View →
RL
Richard Luna
Colleague at Cal Tech Precision IncRialto, California, United States, United States
View →
BS
Branden Scruggs
Colleague at Cal Tech Precision IncLake Elsinore, California, United States, United States
View →
BS
Ben Sexton
Colleague at Cal Tech Precision IncAnaheim, California, United States, United States
View →
JS
Jay Simms
Colleague at Cal Tech Precision IncAnaheim, California, United States, United States
View →
FAQ
Frequently asked questions about William Sim
Quick answers generated from the profile data available on this page.
What company does William Sim work for?
William Sim works for Cal Tech Precision Inc.
What is William Sim's role at Cal Tech Precision Inc?
William Sim is listed as Quality Director at Cal Tech Precision Inc at Cal Tech Precision Inc.
What is William Sim's email address?
AeroLeads has found 1 work email signal at @caltechprecision.com for William Sim at Cal Tech Precision Inc.
Where is William Sim based?
William Sim is based in Rowland Heights, California, United States while working with Cal Tech Precision Inc.
What companies has William Sim worked for?
William Sim has worked for Cal Tech Precision Inc.
Who are William Sim's colleagues at Cal Tech Precision Inc?
William Sim's colleagues at Cal Tech Precision Inc include Jasmin Herrera, Phrca, William Sim, Robert Young, Sheldon Cooper, and Urban Bianchi.
How can I contact William Sim?
You can use AeroLeads to view verified contact signals for William Sim at Cal Tech Precision Inc, including work email, phone, and LinkedIn data when available.
What skills is William Sim known for?
William Sim is listed with skills including Quality System, As9100, Supplier Quality, Manufacturing, Spc, Aerospace, Value Stream Mapping, and Quality Auditing.
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