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Jan Sizer Email & Phone Number

HR Professional in the Staffing Industry at All-in-1

Location: Glendale, California, United States 1 work role

2 work emails found @all-in-1.com 1 phone found area 800 LinkedIn matched

✓ Verified Jun 2026 4 data sources Profile completeness 86%

Current company

All-in-1

Role

HR Professional in the Staffing Industry

Location

Glendale, California, United States

Company size

121 employees

Who is Jan Sizer? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Jan Sizer is listed as HR Professional in the Staffing Industry at All-in-1, a company with 121 employees, based in Glendale, California, United States. AeroLeads shows a work email signal at all-in-1.com, phone signal with area code 800, and a matched LinkedIn profile for Jan Sizer.

Jan Sizer previously worked as Senior Manager, Human Resources at All-In-1.

Company email context

Email format at All-in-1

This section adds company-level context without repeating Jan Sizer's masked contact details.

{first}.{last}@all-in-1.com

92% confidence

AeroLeads found 2 current-domain work email signals for Jan Sizer. Compare company email patterns before reaching out.

View email format View company profile Management contacts

Profile bio

About Jan Sizer

Jan Sizer is a HR Professional in the Staffing Industry at All-in-1. They possess expertise in employee relations, human resources, applicant tracking systems, staffing services, talent acquisition and 39 more skills. Colleagues describe them as "Jan is very detail oriented and very helpful" and "I have worked with Jan on some issues that we have had to deal with on the branch level and Jan is fantastic at her job. Jan is one that knows her job very well and does all she can to get a positive result out of the situation. I find her to be very professional and knowledgeable. I know I can turn to her for results and she is there with all of the information that is needed. Jan is a great part of our company and am glad to have her as a go to person."

Listed skills include Employee Relations, Human Resources, Applicant Tracking Systems, Staffing Services, and 40 others.

Current workplace

Jan Sizer's current company

Company context helps verify the profile and gives searchers a useful next step.

All-In-1

HR Professional in the Staffing Industry

glendale, california, united states

Website

all-in-1.com

Employees

121

AeroLeads page

Company profile

View company profile Email format

1 role

Jan Sizer work experience

A career timeline built from the work history available for this profile.

Senior Manager, Human Resources

All-In-1

May 2000 - Present - Los Angeles Metropolitan Area

Team & coworkers

Colleagues at All-in-1

Other employees you can reach at all-in-1.com. View company contacts for 121 employees →

SM

Stephanie Mangum Colleague at All-In-1Huntington Beach, California, United States, United States View → JS

Jim Sanchez Colleague at All-In-1Los Angeles County, California, United States, United States View → MB

Maria Breweer Colleague at All-In-1Ohio, United States, United States View → MG

Mba Graduates From Anna University Colleague at All-In-1Thiruvananthapuram Taluk, India, India View → MS

Munaf Shaikh Colleague at All-In-1Arcadia, California, United States, United States View → LD

Lari Dominguez Colleague at All-In-1United States, United States View → RD

Raymond Dibyantoro Colleague at All-In-1Glendale, California, United States, United States View → MA

Michael Aceves Colleague at All-In-1Los Angeles, California, United States, United States View → AK

Azhar Khan Colleague at All-In-1Arcadia, California, United States, United States View → CT

Carol Tercero Colleague at All-In-1Long Beach, California, United States, United States View →

FAQ

Frequently asked questions about Jan Sizer

Quick answers generated from the profile data available on this page.

What company does Jan Sizer work for?

Jan Sizer works for All-in-1.

What is Jan Sizer's role at All-in-1?

Jan Sizer is listed as HR Professional in the Staffing Industry at All-in-1.

What is Jan Sizer's email address?

AeroLeads has found 2 work email signals at @all-in-1.com for Jan Sizer at All-in-1.

What is Jan Sizer's phone number?

AeroLeads has found 1 phone signal(s) with area code 800 for Jan Sizer at All-in-1.

Where is Jan Sizer based?

Jan Sizer is based in Glendale, California, United States while working with All-in-1.

What companies has Jan Sizer worked for?

Jan Sizer has worked for All-In-1.

Who are Jan Sizer's colleagues at All-in-1?

Jan Sizer's colleagues at All-in-1 include Stephanie Mangum, Jim Sanchez, Maria Breweer, Mba Graduates From Anna University, and Munaf Shaikh.

How can I contact Jan Sizer?

You can use AeroLeads to view verified contact signals for Jan Sizer at All-in-1, including work email, phone, and LinkedIn data when available.

What skills is Jan Sizer known for?

Jan Sizer is listed with skills including Employee Relations, Human Resources, Applicant Tracking Systems, Staffing Services, Talent Acquisition, Onboarding, Temporary Staffing, and Sourcing.

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