Meet Our Team
Our team members are certified by the North American Technician Excellence (NATE), the nation’s largest non-profit organization for heating, ventilation, air conditioning and refrigeration technicians. It is the only technician certification organization governed, owned, operated, developed and supported by the HVACR industry.
Our NATE certified technicians include: Steve Pannell, Brent Hiles, Walter Bran Ortega, John White, and Kevin Kreutzer.

John White
CEO – White Mechanical, Inc. Since Inception 2003
- 35 + years of HVAC Trade experience
- (Commercial and Residential)
- C-20 HVAC License since 2003
- HIC – Home Improvement Certification
- ACCA and Ashrae Member
- NATE Certification
- Carrier Certified technical training Courses
- Mitsubishi Ductless Split System certifications
- RSES Refrigerant certification
- Indoor Air Quality – Mechanical Hygiene Certification International Building Conference of Buliding Officials Training
- Executive Management training Graduate (1999)

Mike Hollis
VP – White Mechanical, Inc. Since 2005
- 18 + years of HVAC Trade experience (Commercial and Residential)
- Mitsubishi Ductless Split System certifications
- RSES Refrigerant certification
- M.A.P. Business Training
- 25 + years of Customer Service experience

Mike DeGelia
Commercial Sales Manager – White Mechanical, Inc. Since 2008
- RSES Refrigerant Certifications
- ASHRAE Member, IHACI Member
- Trane Certificates: RTAA Chillers, Intellipak, Voyager Systems
- Universal Technical Institute Arizona HVAC Certification
- Chaffey College Business and Professional Development AA Degree
- Carrier Certified Technical Training
- Mitsubishi Ductless Split Certification
- Novar Controls Certified
- ABB Drive Certification

Mark Turner
Commercial Salesman – White Mechanical, Inc. Since Inception 2003
- C-20 HVAC License since 2003
- ACCA and Ashrae Member
- Bachelor of Science – Electronic Engineering Technology – Devry 1992
- Carrier Certified technical training Courses
- Mitsubishi Ductless Split System certifications
- RSES Refrigerant certification
- Indoor Air Quality – Mechanical Hygiene Certification
- U.S Army Veteran

Steve Pannell
Residential Division Manager
- White Mechanical, Inc. Since 2010
- 40 Years of Customer Service Experience
- 30 Years of HVAC Trade Experience (Commercial, Residential, Refrigeration)
- Practical Schools HVAC Certification
- EPA Certified
- NATE Certified
- NATE, EPA Proctor
- University of Phoenix – Bachelor of Business Degree
- C20 License
- C33 License
- HIS License
- Mitsubishi Certified

Liss Andrade
Commercial Service Manager

Brent Hiles
Residential Sales Manager

John Lopez
Commercial Installation Manager

Justine Sanchez
Commercial Project Manager
Commercial Install

Jesus Gonzalez
Commercial Installer

Adan Cruz
Commercial Installer

Jose Cruz
Commercial Installer

Raymond De La Rosa
Commercial Installer

Brandon Degelia
Commercial Installer

Mason Dover
Commercial Installer

Matthew Droog
Commercial Installer

Abraham Galvez
Commercial Installer

Hugo Huitzil
Commercial Installer

Onesimo Martinez
Commercial Installer

Michael Meza
Commercial Installer

Jonathan Rivera
Commercial Installer

Christian Quinonez
Commercial Sales

Anthony Rodriguez
Commercial Installer

Steve Rollins
Commercial Installer

Emerson Rivas
Commercial Installer

John Dion
Commercial Installer

Edgar Rodriguez
Commercial Installer

Deon Bell
Commercial Installer

Neil Sharma
Commercial Installer

Vincent DiMartino
Commercial Installer

Luis Gallegos
Commercial Installer
Commercial Service

Gabriel Guizar
Commercial Service Dispatcher

Jorge Pena
Commercial Service Dispatcher

Johann Rodriguez
Commercial Service Tech

Walter Bran (Ortega)
Commercial Service Tech

Chris Shields
Commercial Service Tech

Jordan Speck
Commercial Service Tech

Eddie Cantu
Commercial Service Tech

Scott Richards
Commercial Service Tech

Adrian Campos
Commercial Service Tech
Residential Install & Service

Travis Hill
Residential Installer

Kevin Kreutzer
Residential Install / Service Tech

Theo Stamatelos
Lead Residential Installer

Johnny Velasquez
Residential Service

David Morales
Lead Residential Installer
Residential Comfort Advisor

Gary Hopkins
Residential Comfort Advisor

Mike Castillo
Residential Comfort Advisor

Gerry Ealy
Costco Lead Generator

Dennis Kelly
Costco Lead Generator

Susan Kelly
Costco Lead Generator
Office Staff

Cathy Milovich
Accounting Manager

Amata Evenson
Residential Project Manager

Jose Godinez
Warehouse Lead

Kathleen Sauer
Safety Coordinator

Jeff Wendorf
Human Resources

Jamica Cunanan
Sr. Accountant

Andrea Espinoza
Accountant

Preston Kincaid
Warehouse Associate / Dispatcher

Alfonso Herrera
Warehouse Associate

Luis Deanda
Warehouse Associate

Aiden Peace
Commercial Install Coordinator