About Southeast Valley Phoenix Arizona Team

John Malko

John Malko owns and operates Mighty Dog Roofing in Phoenix’s Southeast Valley. John is a long-time resident of the Southeast Valley, where he lives with his wife and three daughters. He’s excited to bring excellent home exterior products and exceptional customer experience to the community with Mighty Dog Roofing.

As a results-driven leader, John prides himself on creating an exceptional experience for all his customers. With Mighty Dog, he and his team will always strive to first create a real connection with every customer, and then keep them up to date and included throughout the entire work process. Ultimately, his goal is to have a smooth, interactive process from beginning to end and to exceed all expectations.

Away from work with Mighty Dog, you’ll find John spending quality time with his family.

Call John and his team today to start the process of roofing and home exterior improvement with Mighty Dog Roofing.

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"Life will always throw you curves...just keep throwing them off. The right pitch will come, but when it does, be prepared to run the bases."

– Rick Maksian

Meet the Team

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Ben Gerdik
Howdy! My name is Benjamin Gerdik. I have been here in Phoenix over a decade ago and am proud to call Arizona my home! I came from Nashville, TN where my father was a general contractor. I have been in sales since I was 17 years old, from Auto to Golf Sales. I spend my time playing guitar and golf! I look forward to serving our community!

Meet the mighty dogs

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Head of Entertainment
She is a 4 year old puggle who likes to chase balls and go for walks, so be prepared when you come to the office as she will be on the look out to play!


TOP DOG COMMUNICATION - We will be in touch with you throughout the project so you know what is going on every step of the way. We also have a 24-hour customer service support team to help answer any questions you may have.

ON-TIME SERVICE - When we say we are going to be there, we will. We value you your time and resources and appreciate you choosing us to care for your home.

CLEANLINESS - MDR has the best state of the art equipment to keep your home clean and safe during the construction process. We will bring in the Mighty House Cape to protect your landscaping and air conditioners from any damage which may occur. It is our pledge to you to leave your property with no debris or damage from anything we do.

INTEGRITY - We do what we say we are going to do. We stand behind your home’s project for years to come with our Mighty Warranty Plus Watchdog Maintenance Program


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R. Ajmer1a

They have excellent customer service. Their team did exactly what they say they will and show up on time. Will definitely use again.

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B. Wood

I had my roof and gutters replaced. The crew was friendly and kept me updated throughout the install. They also did a great job with the install as well as the clean up.

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J. Pagura

Very professional from the office to the installers. Good value for great quality. I would recommend them and have already have done so. Give them a call.

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N. Palliccio

Great company, Our roof came out amazing, straight cuts, everything laid nicely and the cleanup afterwards not a single nail anywhere.

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M. Gillespie

Great job, professional crew, great experience. Highly recommend. Came on time, cleaned up, and roof looks great!


Mighty Dog Roofing is passionate about our community in Southeast Valley Phoenix Arizona. We wake up everyday and feel so immensely blessed (lucky) to live, work and play in our community that it is important for us to give back and be actively involved. "We love being in Southeast Valley Phoenix Arizona, and helping any way we can", said John Malko. "From providing roofs to veterans and supporting our local Humane Society to participating in Habitat for Humanity efforts, Mighty Dog of Southeast Valley Phoenix Arizona wants to make a difference".

Our Team on Your Roof

Whether you have a repair or a full replacement, our roofing crews have been hand selected for their integrity, cleanliness and craftsmanship. We are OSHA certified and hold regular safety training meetings for our crew foreman. Each of our formen and roofing crews take pride in excellence of craftsmanship in each project they completed. Mighty Dog takes pride in education on products and installation each of our crews bring to you home. Our crews take the Mighty Dog Pledge of being on-time, cleanliness, top dog communication and integrity. Being insured and licensed, you can feel safe and protected in your home that it is being taken care of by the right people!

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