Meet the Management Team

With hundreds of years of combined experience, our management team is made up of leading experts in the field.

Joel Weisheit


In addition to overseeing all aspects of the business, Joel is involved with refrigeration design, project estimation and execution for large industrial clients, as well as commercial projects for churches and schools. Joel and his wife, Mary, founded the company in 1997.

Erik Rasmussen

Vice President/General Manager

As Vice President/General Manager, Erik oversees all operational functions, including finance, marketing, legal/contracts, strategic planning, licensing, human resources, safety and more. Erik received his degree from Arizona State University. He joined Apex in 2007 after starting his career with Honeywell.

Joseph Weisheit

Director of Projects & Engineering

Joseph is responsible for refrigeration design and engineering as well as project execution in our industrial and commercial facilities. He executes 2D/3D designs based on customer requirements and provides project management from start to finish on Apex projects. Joseph received his Mechanical Engineering degree from Arizona State University and just completed his Engineer-in-Training. Joe worked for Apex from 1997-2006 and rejoined the company in 2014.

Shawn Costello

Director of Service

Shawn joined Apex in 2006 and now oversees Apex’s service department. He has a strong mechanical background and specializes in maintaining compressors, condensers, evaporators, chillers, cooling towers, boilers and traditional HVAC equipment. He is responsible for estimation, safety, compliance and customer service within the department.

Valerie Rasmussen

Office Manager

Valerie oversees all office functions, including accounts receivable, accounts payable, payroll, job tracking, taxes and more. She has been with company since it opened in 1997. Valerie received her degree from Northern Arizona University.

Jeremy Rasmussen

Project Manager

Jeremy is responsible for project management, design, scheduling and execution. He has experience working with 2D/3D AutoCAD and Revit designs, as well as 3D scanning of facilities. He joined Apex in 2019 and received his Bachelor’s and Master’s degrees from Arizona State University.

Cody Delafuente

Construction Superintendent

Cody is responsible for project execution in the field and oversees a construction crew of multiple welding teams. His primary focuses are large-scale industrial and commercial refrigeration projects. Cody joined Apex in 2021. In addition to his welding skills, Cody has also had a career in law enforcement and served his country in the Marines.

Donna Weisheit

Commercial Service Accounts Receivable

Donna joined Apex in 2015 and is responsible for invoicing, collections and scheduling for Apex’s Commercial Customers. She received her degree from Northern Arizona University.

Daniel Lopez

Assistant Service Manager

Daniel joined Apex back in 2016 working in the shop. He progressed into the field as a service technician and is now the Assistant Service Manager for Apex’s clients. Daniel is responsible for scheduling/dispatching technicians, executing estimates/quotes for customers, training employees in the field and ensuring high-levels of customer service in the department.

Catherine Weisheit

Administrative Assistant

Catherine “Cadie” Weisheit joined the Apex team in 2022. Cadie is responsible for many administrative tasks at Apex including assisting customers with getting service scheduled, scheduling fleet service, payroll coordination, HR functions, etc. Cadie previously worked as a banker for Rocket Mortgage, with an NMLS license in 11 different states.

Tom Worthy

Construction Consultant

Tom is responsible for consulting on large-scale construction projects, specifically for industrial clients. He has decades of experience in estimating, project management, refrigeration system design, purchasing and scheduling. Tom joined the Apex team in 2004 after many years of management in the industry. He is also a proud veteran of the Navy.

Join Our Team

We’re always looking for motivated people who have experience in commercial and industrial refrigeration. And as an equal opportunity employer, we are committed to recruiting, hiring and employing without discrimination.