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John Serna Email & Phone Number
Global Sourcing Manager
at
Warner Bros. Discovery
1 work email found
@warnerbros.com
6 phones found area 909 and 951
LinkedIn matched
✓ Verified July 2026
4 data sources
Profile completeness 86%
Current company
Role
Global Sourcing Manager
Location
Burbank, California, United States
Company size
Who is John Serna? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
John Serna is listed as Global Sourcing Manager at Warner Bros. Discovery, a with 1087 employees, based in Burbank, California, United States. AeroLeads shows a work email signal at warnerbros.com, phone signal with area code 909, 951, and a matched LinkedIn profile for John Serna.
John Serna previously worked as Senior Buyer at Warner Bros. Studios and Sourcing Manager at Warnermedia.
Company email context
Email format at Warner Bros. Discovery
This section adds company-level context without repeating John Serna's masked contact details.
{first}.{last}@warnerbros.com
86% confidence
AeroLeads found 1 current-domain work email signal for John Serna. Compare company email patterns before reaching out.
Profile bio
About John Serna
John Serna is a Global Sourcing Manager at Warner Bros. Discovery. They possess expertise in procurement, contract negotiation, negotiation, management, purchasing and 21 more skills.
Listed skills include Procurement, Contract Negotiation, Negotiation, Management, and 22 others.
Current workplace
John Serna's current company
Company context helps verify the profile and gives searchers a useful next step.
Warner Bros. Discovery
Employees
1087
AeroLeads page
5 roles
John Serna work experience
A career timeline built from the work history available for this profile.
Senior Buyer
Sourcing Manager
Senior Strategic Sourcing Specialist
Warner Bros. Global Sourcing
Strategic Sourcing Specialist
Warner Bros. Entertainment, Inc.
FAQ
Frequently asked questions about John Serna
Quick answers generated from the profile data available on this page.
What company does John Serna work for?
John Serna works for Warner Bros. Discovery.
What is John Serna's role at Warner Bros. Discovery?
John Serna is listed as Global Sourcing Manager at Warner Bros. Discovery.
What is John Serna's email address?
AeroLeads has found 1 work email signal at @warnerbros.com for John Serna at Warner Bros. Discovery.
What is John Serna's phone number?
AeroLeads has found 6 phone signal(s) with area code 909, 951 for John Serna at Warner Bros. Discovery.
Where is John Serna based?
John Serna is based in Burbank, California, United States while working with Warner Bros. Discovery.
What companies has John Serna worked for?
John Serna has worked for Warner Bros. Discovery, Warner Bros. Studios, Warnermedia, Warner Bros. Global Sourcing, and Warner Bros. Entertainment, Inc..
How can I contact John Serna?
You can use AeroLeads to view verified contact signals for John Serna at Warner Bros. Discovery, including work email, phone, and LinkedIn data when available.
What skills is John Serna known for?
John Serna is listed with skills including Procurement, Contract Negotiation, Negotiation, Management, Purchasing, Supply Chain, Sales, and Forecasting.
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