AeroLeads people directory · profile

John Hassler Email & Phone Number

General Manager at Cal Building Systems Inc. at Cal Building Systems Inc.
Location: Brea, California, United States 7 work roles 1 school
2 work emails found @calbuildingsystems.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails

Work email j****@calbuildingsystems.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Cal Building Systems Inc.
Role
General Manager at Cal Building Systems Inc.
Location
Brea, California, United States
Company size
16 employees

Who is John Hassler? Overview

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

Quick answer

John Hassler is listed as General Manager at Cal Building Systems Inc. at Cal Building Systems Inc., a with 16 employees, based in Brea, California, United States. AeroLeads shows a work email signal at calbuildingsystems.com and a matched LinkedIn profile for John Hassler.

John Hassler previously worked as General Manager at Cal Building Systems Inc. and General Manager at Carter Brothers, Inc.. John Hassler holds Aa, Business from Western International University (Uop Affiliate).

Company email context

Email format at Cal Building Systems Inc.

This section adds company-level context without repeating John Hassler's masked contact details.

{first}.{last}@calbuildingsystems.com
92% confidence

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

View email format View company profile Management contacts
Profile bio

About John Hassler

Employed with Cal Building Systems Inc. and happy to be a part of a successful and inspirational team committed to growth and industry leadership.Specialties: Sales Management, Team Leadership, P&L Responsibility, Sales Training, Direct Sales, Operations, Presentations, Budgeting, Finance, Contract Negotiations, Proficient Writing, Fire/Life Safety System Design and Application Awareness

Listed skills include Contract Negotiation, Fire Alarm, Sales Operations, Team Building, and 46 others.

Current workplace

John Hassler's current company

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

Cal Building Systems Inc.
Cal Building Systems Inc.
General Manager at Cal Building Systems Inc.
3900 Prospect Ave,
Website
calbuildingsystems.com
Employees
16
AeroLeads page
Company profile
View company profile Email format
7 roles

John Hassler work experience

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

General Manager

Carter Brothers, Inc.

Atlanta, Ga, Us

General Manager for all California branch locations. Responsible for full P & L / Financials management of Carter Brothers Fire & Life Safety's $10+ Million Low Voltage Division for the Southern and Northern California Marketplaces. Direct all management efforts for Solutions Sales, Service Sales, Engineering, Operations, Service, Installation, Inspections and Administration.Excellent relationships with Owners Direct/End Users, GC/EC's and Architects, Engineers and Industry Consultants.Increased company revenue from $1.3M to over $4M+ in annual sales revenue without sacrificing gross margins. Became certified in all available classes and NICET II certified within first 18 months of hireExceeded quota every year in sales taking number 1 in the company As Branch Manager, managed multiple beginners to become President's Club winners (over 100% to quota)

Jan 1999 - Oct 2012

System Sales Representative

Est Service

Selling Fire and Life Safety Systems in SoCal.

Jan 2002 - Oct 2004

Service Technician

Edwards Service

In demand technician performing an array of service for fire alarm systems including: installation, trouble-shooting, programming, and routine inspections.System Testing/Repair

Oct 1999 - Jan 2002

Public Speaker

Southlands Church International

Prepared and delivered regular public oratory and presentations

Jan 1990 - Jan 1999

Associate Administrator / Associate Minister

Southlands Church International

Responsible for administrative functions of the Private School and Church. Elective Teacher: Developed curriculum, taught class, graded papers, etc. for High School and Jr. High school courses in private school.Audio/Visual: Headed extensive sound program. Coordinated all audio/visual tapings, maintained sound equipment, and provided regular oversight of volunteer staff.

Jan 1990 - Jan 1999
Team & coworkers

Colleagues at Cal Building Systems Inc.

Other employees you can reach at calbuildingsystems.com. View company contacts for 16 employees →

CA Casey Alvarez Casey Alvarez Colleague at Cal Building Systems Inc.Pittsburg, California, United States View → GE Gabriel Escobar Gabriel Escobar Colleague at Cal Building Systems Inc.Whittier, California, United States View → DH Diane Hyland Diane Hyland Colleague at Cal Building Systems Inc.Alhambra, California, United States View → AR Anahi Rodriguez Anahi Rodriguez Colleague at Cal Building Systems Inc.Tustin, California, United States View → TM Trent Morris Trent Morris Colleague at Cal Building Systems Inc.Yorba Linda, California, United States View → JH John Hassler John Hassler Colleague at Cal Building Systems Inc.Yorba Linda, California, United States View →
1 education record

John Hassler education

  • Western International University (Uop Affiliate)
    Western International University (Uop Affiliate)
    Business
FAQ

Frequently asked questions about John Hassler

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

What company does John Hassler work for?

John Hassler works for Cal Building Systems Inc..

What is John Hassler's role at Cal Building Systems Inc.?

John Hassler is listed as General Manager at Cal Building Systems Inc. at Cal Building Systems Inc..

What is John Hassler's email address?

AeroLeads has found 2 work email signals at @calbuildingsystems.com for John Hassler at Cal Building Systems Inc..

Where is John Hassler based?

John Hassler is based in Brea, California, United States while working with Cal Building Systems Inc..

What companies has John Hassler worked for?

John Hassler has worked for Cal Building Systems Inc., Carter Brothers, Inc., Est Service, Edwards Service, and Southlands Church International.

Who are John Hassler's colleagues at Cal Building Systems Inc.?

John Hassler's colleagues at Cal Building Systems Inc. include Casey Alvarez, Gabriel Escobar, Diane Hyland, Anahi Rodriguez, and Trent Morris.

How can I contact John Hassler?

You can use AeroLeads to view verified contact signals for John Hassler at Cal Building Systems Inc., including work email, phone, and LinkedIn data when available.

What schools did John Hassler attend?

John Hassler holds Aa, Business from Western International University (Uop Affiliate).

What skills is John Hassler known for?

John Hassler is listed with skills including Contract Negotiation, Fire Alarm, Sales Operations, Team Building, Fire Safety, Direct Sales, Management, and Sales Management.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.