What departments does Zefr have?

Zefr has employees across 9 departments including Analytics, Finance, Customer Success, Sales, Engineering.

What is the largest department at Zefr?

The largest department at Zefr is Sales with 11 employees.

Where are Zefr employees located globally?

Zefr has employees across 6 continents and 16 countries including Algeria, Israel, Japan, Viet Nam, Singapore.

How has Zefr's team size changed over time?

Zefr's team has decreased from approximately 315 to 235 employees based on available data.

Learn more at LeadIQ.com

Zefr Employee Directory

Q: Who are Zefr's key employees and leadership?

Zefr's key employees include: Chief Executive: Z. Y., Vice President Central Sales: M. S., President: R. D., Head Of Apac: C. P., Head Of Finance: G. L.

Advertising ServicesCalifornia, United States201-500 Employees

Zefr is a mid-sized technology company based in Los Angeles, operating in the advertising services industry. Its focus is brand safety and suitability for social platforms, helping advertisers navigate the constraints of social walled gardens and verify ad adjacencies on major networks such as YouTube and Snapchat. 

Its clients are brands and advertisers seeking responsible, compliant placements across social channels, with capabilities for third-party verification and measurement to assess campaign safety. In May 2026, Zefr announced an integration with YouTube that uses the Advertising Context Protocol to enable automated, agent-driven campaign activation within Google's buying ecosystem.

Zefr Global Highlights

North America
293

United States Of America
277
Canada
10
Mexico
6

Asia
13

Israel
5
Singapore
3
Japan
1
Viet Nam
1
Pakistan
1
Philippines
1
China
1

Europe
12

United Kingdom Of Great Britain And Northern Ireland
10
France
1
Poland
1

South America
3

Brazil
3

Africa
1

Algeria
1

Oceania
1

Australia
1

Zefr's Leadership

Z. Y.
Chief Executive
Mobile Phone
Email
M. S.
Vice President Central Sales
Mobile Phone
Email
R. D.
President
Mobile Phone
Email
C. P.
Head Of Apac
Mobile Phone
Email
G. L.
Head Of Finance
Mobile Phone
Email
O. L.
Senior Vice President, Data Science
Mobile Phone
Email
R. W.
Global Head Of Agency
Mobile Phone
Email
J. P.
Vice President, Global Customer Success
Mobile Phone
Email

Zefr Employee Metrics

100%

50%

2026

2025

Engineering
Customer Success
Sales
Analytics
Arts & Design
Other
Operations
Administrative
Research

Contact profiles from Zefr

Name

Title

Contact

Location

Last Update

W. T.
Vice President, Engineering
Mobile Phone
Email
May 08, 2026
C. M.
Senior Sales Director
Mobile Phone
Email
Canada
Aug 27, 2026
M. R.
Senior Sales Director
Mobile Phone
Email
Canada, Ontario
Sep 02, 2026
C. R.
Director Of Sales
Mobile Phone
Email
Canada, Ontario
Apr 15, 2026
H. C.
Senior Director, Global Customer Success
Mobile Phone
Email
United Kingdom, England
Apr 13, 2026
O. S.
Emea Sales Director
Mobile Phone
Email
United Kingdom, England
Jun 28, 2026
H. S.
Senior Director Sales Operations
Mobile Phone
Email
Jul 15, 2026
L. T.
Senior Director
Mobile Phone
Email
Oct 22, 2024
E. S.
Regional General Manager, Latin America | Revenue Growth & Market Expansion
Mobile Phone
Email
Brazil, Piauí
Jul 14, 2026
A. J. V.
Customer Success Lead Latam
Mobile Phone
Email
Brazil, São Paulo
Jun 29, 2026

Frequently Asked Questions

What is Zefr known for?

Zefr was founded in 2009 and operates in the Advertising Services industry. You can contact Zefr's main corporate office by phone at

+1-310-392-****

. Explore Zefr's company overview page for more information.

What is Zefr's most common email format?

Zefr employees' email format typically follows the pattern of First.Last@zefr.com. Trying to find reliable and up-to-date employee contact data? Find more Zefr email formats with LeadIQ.

How many employees does Zefr have currently?

Zefr has approximately 264 employees as of August 2026. These team members are located across 6 continents, including North America, Asia and Europe.

Who are Zefr's key employees and leadership?

As of August 2026, Zefr's key employees include:

Chief Executive: Z. Y.
Vice President Central Sales: M. S.
President: R. D.
Head Of Apac: C. P.
Head Of Finance: G. L.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

Zefr Employee Directory

Find Zefr employees' phone numbers or email addresses

Name search is limited — try advanced search instead