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Today’s architecture firms, like many businesses, are facing significant disruption from the digitization of everything,  Pinnacle Design Group has a tremendous vision for adapting to change and embracing new ways of doing business. Beyond architectural design PDG brings extensive knowledge in the areas of LEED, Modular / Off-Site Construction, Sustainability, Carbon Neutral footprints and Energy. Our high energy and dedication to making a difference for our clients and the broader society defines PDG’s competitive advantages and Social Support.

DLF Pic.png
Donald L. Frick, Architect
Founder and Principal
Jeff A. Maack
Co-Founder and VP of Operations

Donald L. Frick, has a broad range of experience within the built environment, growing up in Kansas building basements and placing concrete with his father or delivering concrete from his uncle’s concrete batch plant you could always find him working. With multiple degree’s in Electronics prior to graduating high school and graduating from the University of Oklahoma with a Bachelor of Architecture.  Heading up the multi-faceted Architectural Design Firm, Pinnacle Design Group specializing in providing design/build expertise for Private and Governmental customers and clients covering all building types. Prior to founding Pinnacle Design Group Mr. Frick spent the better part of a decade as the Architect-in-charge of Tinker Air Force Base. Tinker AFB has a combined building footprint spanning over 5,000 acres with over 800 buildings ranging from industrial, educational, office and housing. As the Architect-in-Charge Mr. Frick was responsible for the $60 million dollar per year SRM program, (Maintenance and Repair) and $25 million dollar a year roofing program.  Mr. Frick managed multiple Architects, Designers and Engineers to fulfill this yearly design program and many other emergency type projects for the 800 plus buildings located on Tinker Air Force Base.  Since leaving Mr. Frick has maintained the Principle Designer role in completion of over 100 military and DOD design/build projects throughout the CONUS.  Specific project experiences range from $1 million to $40 million dollar design, design/build projects including LEED Gold Certifications.  Mr. Frick maintains FEMA Earthquake and Safe Room Certifications and continues to actively increase his management skills and communication skills to maintain clear concise communications between all relevant team members.  

This broad range of experience provides the level of experience required to manage and design the construction types and project types PDG and its Staff creates. 


Mr. Frick has been working in off-site construction solutions for over 6 years, combining the educational experience and the built environment he has branched out to create Adaptive Structures. Adaptive Structures combines technology and buildings to better utilize and manage systems within each building, Adaptive Structures has been creatively designed to be able to pivot to meet all project and customer’s needs no matter the project size and or type.  Adapting to each customer and to each project further connects the designer and owner as we work to develop and to better each project.  As a designer in the practice of Architecture Don has the honor of creating sound solutions for each building, space and outdoor environment connecting to the human element.  With the creation of Adaptive Structures and Adaptive Architecture he now combines machine learning within each environment along with off-site construction solutions to increase reliability, resiliency, quality and mobility in each project. 

Jeff Maack is responsible for the day-to-day operations of PDG.  Jeff serves as Manager for the Architectural / Engineering Services Support Contract should Mr. Frick be unavailable. 


This back-up style approach ensures that this contract will be handled personally and professionally.  Mr. Maack is responsible for the operations, business development, accounting and human resources of PDG. 


In addition to Mr. Maack's day-to-day operations duties, Mr. Maack serves as Quality Control Manager as required on in-house design/build services.  The attention PDG employs on projects having upper management with personal day to day involvement during each phase of our projects helps provide the type of quality PDG demands and demands for our clients.


Oklahoma City University Bachelor of Science in Business Marketing, 1989





1989, St. Louis Cardinals


1994, Inducted into the Oklahoma

City University Baseball Hall

Of Fame


Alumni Loyalty Fund


Cleveland Co. YMCA Board



First former OCU athlete inducted

Into the NAIA Hall of Fame, 2011

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