Zac Callis
AeroLeads people directory · profile

Zac Callis Email & Phone Number

Continuous Improvement I Lean Culture I Operational Excellence at SPAR SOLUTIONS UNLIMITED
Location: Greenville-Spartanburg-Anderson, South Carolina Area, United States 5 work roles 1 school
LinkedIn matched
✓ Verified July 2026 3 data sources Profile completeness 86%

Contact Signals

LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Continuous Improvement I Lean Culture I Operational Excellence
Location
Greenville-Spartanburg-Anderson, South Carolina Area, United States
Company size

Who is Zac Callis? Overview

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

Quick answer

Zac Callis is listed as Continuous Improvement I Lean Culture I Operational Excellence at SPAR SOLUTIONS UNLIMITED, a with 1 employees, based in Greenville-Spartanburg-Anderson, South Carolina Area, United States. AeroLeads shows a matched LinkedIn profile for Zac Callis.

Zac Callis previously worked as Senior Program Manager at Spar Solutions Unlimited and Project Manager at Advanced Technology Services (Ats). Zac Callis holds Bs, Business Administration/Management from University Of Tennessee At Martin.

Company email context

Email format at SPAR SOLUTIONS UNLIMITED

This section adds company-level context without repeating Zac Callis's masked contact details.

SPAR SOLUTIONS UNLIMITED

Review company-level records connected to Zac Callis before choosing the right outreach path.

Profile bio

About Zac Callis

As an FMS Operating System Manager at Advanced Technology Services (ATS), a leading supplier of outsourced factory maintenance solutions, I worked collaboratively with cross-functional teams to lead projects that improved asset performance, productivity, employee development, and safety. I have a Safety Trained Supervisor (STS) certification and a strong background in lean culture and facilitation.With over seven years of experience at ATS, I successfully managed the development and implementation of an internal business process improvement system across 70+ sites, built and coached on best practice tools and templates, and implemented a quality assessment process to validate site maturity levels. I am passionate about driving operational excellence, empowering others, and delivering value to our clients.

Current workplace

Zac Callis's current company

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

SPAR SOLUTIONS UNLIMITED
Spar Solutions Unlimited
Continuous Improvement I Lean Culture I Operational Excellence
bellevue, ohio, united states
Employees
1
AeroLeads page
5 roles

Zac Callis work experience

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

Project Manager

Greenville, South Carolina, United States

Advanced Technology Services (ATS) is a leading supplier of outsourced factory maintenance/MRO solutions and industrial component repair for top Fortune 500 companies. The Project Manager role works collaboratively with the reliability engineering team to lead projects focused on driving forward the reliability strategy for factory maintenance operations. • Aligned internal business process improvement system (FMS Operating System) to reliability strategy• Supported the development and rollout of enterprise-wide solution focused on improving asset performance during seasonal changes

Jul 2023 - Dec 2023

Fms Operating System Manager

Greenville, South Carolina, United States

Managed the development and implementation of internal business process improvement system across 70+ sites to increase productivity, streamline workflows, and adapt to changing business needs. • Built 100+ best practice tools and templates aligned to lean methodologies as well as 50+ training and development short videos• Coached site operational leaders on use of tools and interpretation of criteria• Implemented a quality assessment process to validate three levels of site maturity (bronze, silver, and gold) on the four key management systems (Safety, People, Process, and Reliability)• Partnered with functional SMEs to ensure engagement and alignment to embed operating system best practices• Traveled to multiple sites to provide onsite guidance and facilitate maturity assessments

Oct 2020 - Jul 2023

Regional Planner/Scheduler

Greenville, South Carolina

Multi-site responsibility in implementing a standardized and disciplined approach in how the organization executes work through Work Execution Management (WEM). Through leadership combined with developing standardized work processes, accountability measures, and reconfiguration of CMMS, successfully influenced organizational change.• Attained organization wide increase in Planned Work and PM/PdM%o 11.5% increase in Planned Work o 7.4% increase in PM/PdM% • Successfully completed a two-month assignment at an underperforming site to focus on improving their preventative maintenance which resulted in the highest PM Completion (98.2%) and Equipment Availability (99.3%) within the prior 12 months• Designed WEM and CMMS learning materials then facilitated usage with end users to ensure seamless change management • Successfully planned and coordinated, both internal personnel and outside contractors, on multiple capital expenditures completed during production shutdowns that had total costs exceeding $750,000

Nov 2016 - Oct 2020

Manager, Operations Services

Servicesource

Greater Nashville Area

As an Operations Manager, I managed a team of 20-25 Operations Specialists that directly oversaw updates in the asset and maintenance contract database for all of Johnson Controls HVAC and Building System operations in North America. I helped develop and implement new operational process and procedures to increase data integrity within the client’s system. In addition to managing day-to-day operations, I promoted an environment of continuous professional and personal development to my team by actively communicating through an open door policy and regularly scheduled team/1:1 meetings to gauge morale and performance.• Managed the implementation of an Enterprise Resource Planning (ERP) system to my team to boost an error-free operation that decreased our daily transaction error rate from 10-20% to less than 5%• Chosen by upper management to be a member of the team that conducted company-wide training sessions on operational best practices

Aug 2012 - Dec 2015
1 education record

Zac Callis education

FAQ

Frequently asked questions about Zac Callis

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

What company does Zac Callis work for?

Zac Callis works for SPAR SOLUTIONS UNLIMITED.

What is Zac Callis's role at SPAR SOLUTIONS UNLIMITED?

Zac Callis is listed as Continuous Improvement I Lean Culture I Operational Excellence at SPAR SOLUTIONS UNLIMITED.

Where is Zac Callis based?

Zac Callis is based in Greenville-Spartanburg-Anderson, South Carolina Area, United States while working with SPAR SOLUTIONS UNLIMITED.

What companies has Zac Callis worked for?

Zac Callis has worked for Spar Solutions Unlimited, Advanced Technology Services (Ats), and Servicesource.

How can I contact Zac Callis?

You can use AeroLeads to view verified contact signals for Zac Callis at SPAR SOLUTIONS UNLIMITED, including work email, phone, and LinkedIn data when available.

What schools did Zac Callis attend?

Zac Callis holds Bs, Business Administration/Management from University Of Tennessee At Martin.

Find 750M verified contacts

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