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Meet The Team

Sustainable Design Build is committed to aiding the neighborhoods of Denver, Colorado with insightful and experienced construction services. In order to achieve this goal, we have built a team that brings insightful and experienced abilities to the table. This guarantees all of SDB’s clients a superior experience for their remodel, addition, ADU, custom home, or commercial construction project. Come meet the team and learn more about how each individual is an exemplary employee you can expect to work with.

Zach McKendry Headshot 2022 Updated General Contractor Owner Denver Colorado

Zach McKendry

Founder | General Contractor

Zach McKendry is a 4th generation contractor native to Colorado. He has worked in and owned several construction companies. Currently, Zach oversees the construction process from start to finish as Sustainable Design Build’s General Contractor who holds a license in both Denver. He truly prides himself on delivering a product he and his family can be proud of for years to come. Before founding SDB, Zach specialized in real estate investment and rehabbing single-family homes. When not at work, Zach enjoys spending time with his family, hunting, and rock climbing.

Mike McCarty Headshot Resolution Updated Sustainable Design Build Design Manager 2022 Denver Colorado

Mike McCarty

Founder | Managing Director | Realtor | ABR PSA

Mike McCarty started his real estate career in 2010 through several investment property acquisitions. While working in the construction industry, Mike’s continued interest in real estate along with his growing rental property portfolio led him to a career shift to real estate. Today, Mike oversees the marketing/advertising of Sustainable Design Build’s projects as well as land acquisition and entitlements. Mike is also the Owner/Broker of Love Colorado Real Estate. When Mike isn’t showing properties, he loves kicking back with his partner Diana and his dog Bear.

Team Members

Michael Smith - Sustainable Design Build Commercial Construction General Contractor Denver Design Build CO

Michael Smith

Commercial Project Manager

General Michael is a seasoned construction project management professional with a BS in Construction  Management and an MBA in Finance. Currently, acting as our General Contractor for the Commercial Construction Division of Sustainable Design Build, Michael brings a large swathe of experience and knowledge. His skill set and knowledge that has been hardened out in the field and honed in the classroom guarantees SDB’s commercial construction endeavors will meet their goals. Outside SDB, Michael loves to spend time with Daughter and 


Sustainable design build construction superintendent Ricardo

Ricardo Castillo

Construction Superintendent

Ricardo brings a wealth of knowledge and skills to the Sustainable Design Build’s commercial construction division. With over 17 years of construction experience, Ricardo has seen countless projects through to the end. From coordinating construction to managing entire teams, he has the highest qualifications to operate in the construction industry here in Denver. Boasting a degree from the Universidad del Valle de Mexico, Ricardo studied industrial and systems engineering. 


Josh Sustainable Design Build Project Manager

Josh Pingel

Project Manager

Josh Pingel, originally from New Hampshire, started his construction career in the hotel renovation industry which gave him a keen eye for detail and finishes on a commercial level. Afterward, he expanded his skill set and moved into a position for commercial framing and drywall which gave him the edge in overseeing larger scale projects. His work experience translated into SDB’s carpenter team as a site superintendent. When he is off-site or out of the office, Josh likes to hit the slopes and snowboard as much as possible. 

Derek Headshot 2022 Sustainable Design Build General Contractor Denver, CO 80205 Residential Construction

Derek Roth

Design Manager

Derek has been in residential construction for more than half of his life. He started working under his father fixing up dilapidated properties in Cincinnati Ohio. After graduating from Miami University he knew he wanted to get back into construction so he moved to Tennessee and began flipping homes. His goal was to always move out to Colorado and in 2018 he was finally able to make the move with his girlfriend Julia. In his free time you can catch him camping in the summers or climbing 14ers with his dog Reggie. In the winters if he is not working there is a good chance you can find him in the mountains on his snowboard. 

Luke Zygmunt Headshot 2022 Sustainable Design Build Residential Construction Project Manager

Luke Zygmunt

Site Supervisor

Born and raised in Grayslake, IL. Luke was brought up with a tool in hand learning his trade from his family who were a wealth of construction experience and knowledge. A bit of a renaissance man, Luke loves to cook, bake, paint, play music, and build things. He craves the outdoors and adventure is always calling him which is ultimately how he found his way here to Colorado. Luke plans on building his own self-sustaining homestead somewhere in this mountain paradise. But until then, he enjoys advancing his skills within the construction industry and working with SDB.


Tommy Zygmunt Headshot 2022 Sustainable Design Build Residential Construction Lead Carpenter Denver CO

Tommy Zygmunt

Carpentry Team

The reason Tommy moved from Illinois to Colorado, in his own words, is “Because of everything I love is here”.  And that seems to check out, he has an appetite for mountains, amazing food, thriving music scene, hunting, fishing, and so on. As we all know, Colorado has them all in spades. In his free time, Tommy enjoys writing and producing his own music, snowboard, hiking, and just about anything that involves adventure. Tommy hopes one day to own some land, build a home, and build a music studio in this wonderful State.


Eric Millburn Headshot 2022 Sustainable Design Build Residential Construction Denver, CO Carpenter Contactor Design Build

Eric Milburn

Carpentry Team

Eric is a carpenter originally from Wisconsin but is now living in Denver, Colorado since 2016. Before SDB, Eric ran large-scale events and worked for various nonprofits including TEDx Talks. Eventually, Eric changed careers leading him to take his thoughtful approach to task and project management into construction. Eric has always had a love for building, especially when sustainability is at the forefront of design. His growing passion for sustainable building practices fuels his goals to create more eco-friendly products that eliminate waste, such as hempcrete! When not at work, Eric can usually be found in the mountains with his wife and dog. Snowboarding, camping, backpacking and swimming are key reasons he has moved to Colorado. “I am proud to call Denver home and intend on making it a more beautiful place in the coming decade.”


Julie Headshot 2022 Sustainable Design Build Residential Construction Design Build Denver, CO Accounting Construction budget

Julie Barcelon


Julie is certified pro and head accountant for Sustainable Design Build. She brings organization to our business, going above and beyond in providing accurate numbers for clients and partners alike. Her goals with SDB is to help build up company and be a part of its growth. Outside of the office, Julie likes to clear her head by riding her motorcycles with her husband!


Sustainable Design Build Denver Remodeling Services

Thomas Greiman

Marketing Manager | Pre-Con Admin

Thomas oversees the online presence and marketing of SDB – he is responsible for ensuring SDB services are in front of those who need it. Beyond that, Thomas is also a part of the pre-construction team. He has experience in the early processes of Denver’s Developmental Services and works to coordinate with teams for better review timelines. Thomas enjoys spending time with his dog Macaroon and getting up to the mountains.


Kuma Sustainable Design Build Dogs Workplace


A high-energy fun-loving doggo with a penchant for surprise cuddles and lively conversation. She is a bit of wild one where one moment she is napping peacefully, while another she is bouncing off the walls like bottled lighting. Did you know? Kuma means bear in Japanese!

Macaroon Shiba Shiba-Roon Office Dogs of Colorado Denver


Macaroon is a fine and industrious Shibe. He is eager to learn, always wanting to meet new people and other dogs. His welcoming attitude will make any stranger into a friend in no time, fostering new business relationships each and every day.

Sustainable design build office dog


This beautiful girl here is quite possibly the fastest hound around. With a quirky attitude and cheerful personality to match. Poppy is the ideal pal but watch out, she likes to pull pranks.

Meet Love Colorado Real Estate

Sustainable Design Build is proud to be partnered with an in-house Realtor and Real Estate Brokerage, Love Colorado Real Estate. Together we can help Denver residents find the perfect property or lot for their next dream home. Love Colorado Real Estate offers services for selling, buying, and consulting in residential real estate transactions.


Connect With Us

Planning your next renovation, or maybe you are looking to do a complete remodel for your home? Whatever the task, it can’t hurt to ask. Reach out to our team through this form.

We can schedule a free consultation and discuss everything you need to get your project moving in the right direction. Did we mention, it’s absolutely free?

No time like the present to get started on turning your house into the home of your dreams.