Our Team

Don Miller
Don Miller
Institutional Director
Don Miller is Institutional Director of Total Tech, LLC. His work in the HVAC industry for the past 39 years has included the County of Orange in Southern California, where he maintained commercial split systems and commercial chillers. He owned and operated his own air conditioning service company for eight years in Tulsa, Oklahoma where he worked on both residential and commercial equipment. He accepted a position with Carrier Mid South in Nashville, Tennessee in 2003 where he worked as Customer Assurance Manager. Don founded Total Tech, LLC in 2006. Don’s certifications include CMS in Controls Specialist from the Refrigeration Service Engineers Society (RSES), NATE Certifications in Heat Pump, Air Conditioning, Gas Furnaces and Senior Efficiency Analyst. He was also awarded the RSES Imperial Eastman Award for Controls Specialist in 1994.

Don's passion for the trade and his heart for others shows through in everything that he does at Total Tech.  His desire to change lives and make a difference in the industry is working.  There are hundreds of Total Tech graduates either working for contractors or for themselves across the United States, so his dream has come to fruition.
Shawna Miller
Shawna Miller
Administrative Director

Shawna Miller has been associated with the HVAC industry for over 20 years. She and her husband, Don Miller (founder of Total Tech), were owners of an HVAC Mechanical Contracting company in Oklahoma where she was responsible for answering and scheduling calls, Accounting, and Human Resources. Shawna has in-field experience as well, as she worked with Don on site assisting with repairs. She also has a background in banking and office administration. She attended Middle Tennessee State University for 2 years while pursuing her Financial Institution Management degree, but decided to change direction when Don was in need of an Office Administrator at Total Tech. Once there, she knew she was where she was supposed to be. Shawna is the school Registrar and handles all school inquiries and student enrollments. She also handles all Accounts Payable, Account Receivable, and financial reporting. She wears a lot of hats at Total Tech and loves every minute of it! Working with others who have a desire to better their lives or change career paths is extremely rewarding to her, so working at Total Tech is much more than a job……..it’s her calling.

Shawna and Don have been married for 24 years and have 5 children and 9 grandchildren.

David Allen
David Allen
Deputy Director

David Allen has a background in the residential plumbing field, where he has over 13 years of experience.  He began as an apprentice at a family members plumbing company and quickly realized how much he enjoyed the trade and thought that this could be more than just a job. He made the commitment to learn the trade and thereby would better himself and his family. David wanted to give back to the trade that had been so good to him over the years, so when the opportunity came along for him to be an Instructor he took it.  He enjoyed his time as Plumbing Instructor for Total Tech and making a positive impact on those he taught, but he had a desire to assist in growing the organization and also had growth goals for himself, so when the position of Deputy Director came available he decided to jump on board. He assists Don Miller with the daily operations of the facility and works closely with all Total Tech instructors.

David and his wife, Natasha, have 3 beautiful children.  He has a giving heart and is a huge part of the Total Tech team.

Steven Black
Steven Black
Electrical Instructor

Steven Black began his career in the electrical trade while in the Air Force, where he diagnosed and repaired electrical issues on base.  After four years of active duty he retired and has been serving in the Air National Guard for the past four years.  Steven enjoyed the electrical trade so much that after his active duty service he continued his career as a civilian.  He worked for two years at Hiller Plumbing Heating Cooling Electrical in both their residential and commercial divisions.  Steven has experience with high voltage distribution, commercial and residential construction and service, and fire alarm systems.

Steven is happily married and has 1 child.  He enjoys helping and giving back to others, so he is a perfect fit for the Total Tech team, and the team is lucky to have him.

Bryan Witzel
Bryan Witzel
Strategic Operations Manager

Bryan Witzel is a 30-year Veteran of the United States Army.  During his tenure in the Army he spent 2 ½ years acting as Repair and Utilization NCO/Maintenance technician for his organization.  His duties required him to maintain the dormitories that housed the units single soldiers. Bryan was responsible for up to three buildings.  He conducted general maintenance tasks for the various interior and exterior areas repairing any HVAC, Plumbing, or Electrical issues. He also worked in the training and teaching of soldiers.  He conducted large group, small group, and individual training sessions. He planned, created, and designed training programs for the soldiers under his charge.

Bryan had been a Total Tech Plumbing Instructor for a year when an opening came up for someone with logistical capabilities and who could assist in taking Total Tech to the next level………Bryan was the perfect man for the job.

Michael Spaulding
Michael Spaulding
Electrical Instructor

Michael Spaulding is a 20-year Veteran of the United States Army.  During his tenure in the Army he had 4-years combined experience of working on Electrical Installation, Service and Repair in stateside and overseas locations.  Michael’s responsibilities at the various locations included the installation, maintenance, and troubleshooting of Electrical, Plumbing, and HVAC services for soldiers living in residential areas.  He has been a leader and instructor of soldiers most of his career and has a heart for teaching and helping others. 
 
Michael’s experience in the Electrical field, his instructional talents, and his ability to solve problems allows him to have a unique ability and role as an instructor at Total Tech.  He puts others above himself and gives everything he has to the students, which makes him invaluable to the Total Tech team.

Kathy Witzel
Kathy Witzel
Senior Support Specialist

Kathy Witzel has had a career in the Information Technology field for over 20 years. During that time she obtained Microsoft Certification, as well as training in Network Administration and Wireless Technology. She is an active duty veteran spouse and has held Managerial positions in Digital Training Facilities for active duty service members while stationed in Europe. She has provided technical support and customer service during her professional career as well as mentoring Army spouses and soldiers as a Senior Spouse. She is passionate about assisting service members and their families in their transition into civilian life. She has attended Kaplan University (now known as Purdue Global University) where she was on the President’s list during her time there. Kathy has been very happily married to her husband, Bryan for nearly 30 years. They have 7 children, 3 grand children.

David Hunte
David Hunte
Plumbing Instructor
David spent 4 years in the U.S. Navy and then went on to spend 18 years in the U.S. Army as an M1 Abrams Mechanic, Maintenance Supervisor, and Military Occupation Specialty Instructor. He spent 4 years in the field as a Plumbing Service Technician where he gained invaluable knowledge in the trade. David has a passion to teach others and puts himself 100% into his students every day. The Total Tech team is fortunate to have him.
Kevin Ballard
Kevin Ballard
Plumbing Instructor
Kevin Ballard began his Plumbing career at the age of 22.  He knew the trades were a way to make a good living, so decided to go to work for a Residential Plumbing company in Vermont where he worked for 14 ½ years.  After this length of time putting in very long days on most occasions, Kevin desired to get into more regular work hours, so he went to work for Middlebury College in the Maintenance Department where he was employed for 5 years.  After residing in Vermont for 41 years he was ready for a change and decided to make Tennessee his home.  Once he relocated he gained employment at East Tennessee State College where he worked Plumbing in the Maintenance Department.  He was there for 2 years and desired to move to Middle Tennessee.  He received an employment opportunity with Hiller Plumbing Heating Cooling Electrical where he has been for 16 ½ years working in Residential and Commercial Plumbing.  After working 38 years in the field he was looking to slow down and had a desire to pass his extensive knowledge on to the next generation of Plumbers coming into the trade.  When the position came open for a Plumbing Instructor, he was the perfect candidate for the position.  Total Tech is fortunate to have such a knowledgeable Plumber on staff to educate students in the Plumbing trade.
 
In his spare time, Kevin enjoys working on automobiles and completing carpentry projects.
 
Joshua Maxwell
Joshua Maxwell
HVAC Instructor

Joshua Maxwell has an extensive background in Communications. He obtained his Bachelor of Science degree in Mass Communications in 2003 from Murray State University and then went on to pursue and obtain his Master’s degree in the same in 2009. He served as Adjunct Faculty at Murray State University from 2010 - 2013 teaching Advanced Editing. He began his career at Hopkinsville Community College where he was a Television Production Manager, along with serving as

Adjunct Faculty from 2010 - 2011 teaching Audio Visual Basics. During his tenure at the College he also served as CEO/Owner of West Kentucky Video/Mid America Visions where he produced television and radio commercials for local and regional companies. In 2012, Joshua became the Senior Creative Services Producer/Show Editor for WSMV News Channel 4. He was the Editor and Segment Producer for News and More at Midday. He also handled Commercial Production which included writing, shooting, and editing for clients in the market. Joshua also served as Adjunct Faculty at Austin Peay University from 2015 - 2017 teaching Public Speaking. He is a published co-author of The Kitty League: Images of Baseball.

Joshua had always had a fascination with HVAC and decided to pursue those “inner voices” in 2016. He obtained a position with The Comfort Group Nashville as an HVAC Service Technician where he worked with Residential and Commercial equipment. He performed routine main- tenance, worked with automation control systems, chillers, boilers, and cooling towers. He attended technical trade school in HVAC and received his Certificate in Electrical-HVAC.

Joshua has a drive to continually learn and grow, and has a heart for people, which makes him a perfect fit for the Total Tech team. Total Tech is fortunate to have such a knowledgeable and caring instructor on their staff.