About Us
Automatic Door Doctors is a Colorado commercial door company specializing in automatic door repair,
automatic door installation, and commercial manual door service.
Rated by the Denver BBB
Years of Industry Experience
Certified Door Expertise
Serving Businesses Across Colorado
Automatic and Manual Door Service for Colorado Businesses
Automatic Door Doctors is a commercial door company serving Colorado. We specialize in the repair and
installation of automatic and manual doors for businesses, medical offices, retail properties, public
buildings, and commercial facilities.
Our AAADM-certified technicians have over twenty years of experience in the industry. We are small enough
to know our customers by name and large enough to take care of your door service needs with extensive
inventory, technical expertise, and practical field experience.
Experienced, Responsive, and Built Around Service
Automatic Door Expertise
We service and install commercial automatic door systems, including sliding doors, swing doors,
ADA door openers, activation devices, sensors, and related hardware.
Manual Door Service
In addition to automatic doors, we also help businesses with commercial manual doors, door hardware,
storefront doors, pivots, closers, locks, and related repair needs.
Technical Inventory
Our inventory and experience help us solve many common commercial door problems efficiently and
recommend practical repair or replacement options.
A Values-Based Commercial Door Company
We are a values-based company. Our core values are integrity, quality, innovation, and communication.
We strive to uphold these values in every service call, installation, estimate, and customer interaction.
Integrity and Quality
- Honest recommendations
- Professional workmanship
- Clear communication with customers
- Service focused on long-term door performance
Innovation and Communication
- Practical solutions for modern commercial entrances
- Technical knowledge for automatic door systems
- Responsive communication before, during, and after service
- Helpful guidance when comparing repair and installation options
A+ Rated by the Better Business Bureau
Automatic Door Doctors is rated A+ by the BBB. We work hard to provide a professional customer experience,
from the first phone call through the completed repair or installation.
Installing an Automatic Door Has Never Been Easier
Whether you need a new automatic door system, an ADA door opener, a storefront entrance upgrade, or help
repairing an existing commercial door, Automatic Door Doctors can help you understand your options and choose
a practical solution.
Repair
We troubleshoot and repair automatic and manual commercial doors to help restore safe, reliable operation.
Installation
We install commercial door systems and accessibility solutions designed for business use.
Need Commercial Door Service?
Call Automatic Door Doctors for automatic door repair, commercial door installation, ADA opener installation,
manual door service, or help choosing the right entrance solution for your business.
Integrity
Always do the right thing no matter what it costs our company. Treating customers how we would want to be treated is our number one priority.
Quality
Ensure our technicians are well trained and equipped to complete all jobs. Use attractive materials made to last.
Innovation
Strive to find cost-effective solutions that a typical door company would miss. Offer creative and appealing solutions to every customer.
Communication
Keeping our customers, vendors, and technicians on the same page, so jobs can be completed quickly and in accord with our customers’ expectations. From start to finish you will be informed and guided through the process.
Our Commitment to Customers
Clear communication, dependable service, and practical solutions for commercial automatic and manual door customers throughout Colorado.
Helpful Details About Working With Us
You can find information about our hours, billing procedures, warranties, emergency service, deposits, payment terms,
and other service policies on our policy page.
We want customers to understand how we work before, during, and after a service call or installation. Our goal is to make the process as clear and straightforward as possible.
Questions, Scheduling, and Solutions
Office Support
Someone from our office is available to answer questions, help with scheduling, and point you in the right direction.
Clear Communication
We do our best to explain service options, billing procedures, warranty details, and next steps in plain language.
Practical Solutions
Whether you need repair, installation, troubleshooting, or guidance, we work to find a practical solution for your door system.
We Appreciate the Opportunity to Serve You
We are extremely grateful to every customer who has given Automatic Door Doctors the opportunity to serve them.
Your trust has helped us continue growing, improving, and providing commercial door service throughout Colorado.
We look forward to many more successful years ahead and appreciate the businesses, property managers,
contractors, and organizations that continue to rely on our team.
Thank You for Choosing Automatic Door Doctors
We appreciate your business and are here whenever you need help with commercial automatic doors, manual doors,
ADA openers, storefront doors, or related door service.
Mike Sajdak
Operations Manager
Our Team
We look for employees who are conscientious and competent. Meet our team members.
ADMINISTRATION
Mike Sajdak / Operations Manager
Under Mike’s leadership, Automatic Door Doctors has thrived, driven by his commitment to recruiting the right talent and fostering a customer service ethos that mirrors the care he expects as a consumer. Away from the office, Mike dedicates his time to his family, stays active with running and biking, and gives back to his community.
Ruth McDevitt / Office Manager
Ruth brings over two decades of experience as a legal secretary to her role at ADD, where she has been a valued team member since April 2014. Her career includes 13 years of full-time work prior to becoming a mother and an additional 7 years in a part-time capacity, thoughtfully arranged so she could be present when her daughters returned from school each day. Family is at the center of Ruth’s life; she cherishes every moment spent with her loved ones and integrates family time into her daily routine.
Wendy Fry / Office Assistant
In September 2020, Wendy re-entered the workforce, joining Automatic Door Doctors as an office assistant. She thrives in her role, enjoying every interaction with customers. Wendy excels at connecting callers with the most suitable technician to meet their door-related needs, ensuring that each customer receives timely and effective solutions. Her background in nursing has endowed her with exceptional interpersonal and problem-solving skills, making her an invaluable asset to both our team and our clients.
Sarah Shires / Customer Relationship Manager
Sarah is committed to crafting innovative solutions and driving meaningful results. Her dedication shines through in her ability to develop and nurture client relationships, ensuring a smooth and engaging journey from start to finish. Sarah’s expertise in seamlessly integrating client needs with effective strategies makes every interaction not just a transaction, but a building block for a lasting partnership. Her proactive approach and meticulous attention to detail guarantee that each client receives a tailored experience that exceeds their expectations.
DOOR TECHNICIANS
Lance Fisher – Lead Door Technician

Lance Fisher is a Lead Door Technician with Automatic Door Doctors, bringing a strong background in electronics, problem-solving, access control, and automatic door systems. His hands-on experience and calm, dependable approach make him a valuable part of our service team.
Lance’s passion for travel began in high school with memorable trips to Russia, Finland, and Denmark. Those experiences sparked a lifelong appreciation for exploring new cultures and eventually led him to join the Navy, where he traveled the world for five years. One of his most meaningful memories from that time was being baptized in the Jordan River at age 20.
After his naval service, Lance founded and operated a successful home theater business in Washington for 12 years. That experience gave him a deep understanding of electronics, wiring, troubleshooting, and customer service — skills he now applies to automatic doors, access control systems, and commercial door service.
Outside of work, Lance is devoted to his wife and two sons. He enjoys playing Nerf guns, Frisbee, and ball with his boys, along with hiking, mountain biking, dancing, music, spending time with pets, and volunteering at his church. He is known for being reliable, thoughtful, and always willing to help solve a problem.
Adam Bruce – Lead Door Technician

Born and raised in the vibrant landscapes of Colorado, I have been immersed in the world of construction from a young age, an interest that has blossomed into a 14-year professional career. My expertise spans the breadth of the construction industry, bringing a wealth of knowledge and a hands-on approach to each project.
In addition to my construction experience, I devoted a decade to law enforcement, a role that honed my discipline and commitment to community service. Known among my peers as a jack of all trades, I bring a versatile skill set and a self-motivated drive to excel in various fields.
My attention to detail is meticulous, often tipping into perfectionism, a trait that ensures excellence in every endeavor. While I am passionate about my work, my heart truly lies with my family. Balancing professional pursuits with quality time at home is paramount for me, as those moments with loved ones are what I cherish most.
Mike Smith – Door Technician

Mike Smith embarked on his entrepreneurial journey right after college, opening his own car body repair shop. After several successful years, he shifted gears to work for local body shops, honing his skills and deepening his industry knowledge. Craving a new challenge, Mike seized an opportunity with Stanley Access Control in Denver, where he gained invaluable experience in commercial door repair and installation across the Denver area.
Fueled by his acquired expertise and a vision for superior service, Mike founded Automatic Door Doctors. His commitment to providing excellent customer service at fair prices quickly set the company apart, driving its growth by leaps and bounds. Today, Automatic Door Doctors is a testament to Mike’s dedication and entrepreneurial spirit.
Outside of work, Mike enjoys the thrill of dirt biking and cherishes quality time with his beautiful wife and son, balancing his professional achievements with a fulfilling personal life.
Brad Haskell – Door Technician

Brad combines his passion for the thrill of dirt bike riding with a pragmatic understanding of life’s necessities. An enthusiast of his leisure time, Brad recognizes the importance of a stable and fulfilling career. His choice to join Automatic Door Doctors was driven by the practical need to make a living, but it has turned into a surprisingly rewarding part of his life.
At Automatic Door Doctors, Brad has discovered not only a talent for addressing commercial door needs but also a genuine enjoyment in enhancing customer satisfaction. He finds joy in the daily interactions that not only solve problems but also build lasting relationships. The unexpected pleasure he takes in his work and the friendships he has cultivated with colleagues have enriched his professional experience, making every day rewarding.
Thomas Alexander – Door Technician

Denver native Thomas Alexander has built a diverse and impressive career rooted in his hometown. An alumnus of the University of Denver, he excelled academically, earning two Bachelor’s degrees followed by a Master’s in Accounting. Not confined to one field, Thomas also excels as a commercial airline pilot and as a commercially licensed contractor.
In his contracting role, Thomas specializes in installing hollow metal doors, glass walls, and aluminum storefront assemblies throughout the Denver metro area, showcasing his precision and expertise. Outside of his professional endeavors, he is an avid outdoorsman who enjoys hiking, skiing, kayaking, and maintaining fitness through regular workouts.
Dedicated to giving back, Thomas commits at least 50 hours each year to various charitable activities, contributing positively to the community that has shaped him. His multifaceted career and commitment to service highlight his deep dedication to both his personal passions and professional pursuits.
Calvin Howard – Door Technician

From his first day on the job, Calvin Howard has exemplified exceptional dedication and a strong commitment to mastering his craft as a door technician. Known for his meticulous attention to quality, Calvin approaches every project with a keen desire to learn and improve, ensuring his work is not only done but done excellently.
Calvin is not only skilled but also deeply kind and considerate, always willing to go the extra mile to ensure that every aspect of a project is completed to the highest standards. His clients and colleagues alike appreciate his reliable, thorough approach and his unfailing courtesy.
Outside of work, Calvin cherishes the time he spends with his son, valuing every moment they get to spend together. Whether they’re exploring the outdoors or engaging in creative play, Calvin’s role as a father is central to his life, bringing him immense joy and fulfillment.
Chris Juarez – Door Technician

Chris Juarez is a highly skilled door technician renowned for his exceptional craftsmanship and attention to detail. He takes immense pride in his work, consistently delivering results that exceed expectations. Known for his dependability, Chris is deeply appreciative of the opportunities his career has afforded him, approaching each project with enthusiasm and commitment.
Personal Life
Beyond his professional life, Chris is a devoted father to four children. He treasures the time he spends with his family, engaging in activities that foster close bonds and create lasting memories. Chris’s dedication to both his professional and personal roles exemplifies his overall integrity and commitment to excellence.








