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Business Details
50+ Years
experience
Expert Architectural Design & Preservation Services
Miller Dunwiddie, founded in 1963, is a full-service architecture and design firm based in Minneapolis, Minnesota. Our expertise spans aviation, workplace, governmental, preservation, interior design, transportation, and building envelope systems. We prioritize understanding history, context, and technology to create functional, beautiful spaces that endure. Our comprehensive approach includes programming, predesign, master planning, construction management, and building science assessments. As an employee-owned company since 2016, we foster equity, diversity, and inclusion while delivering projects that align with client values.

Our team of licensed architects, designers, and engineers collaborates closely with clients to translate needs into lasting solutions. Recognized for excellence in design and sustainability, we integrate LEED, Passive House, and B3 guidelines into our work. Our historic preservation efforts since 1970 have revitalized hundreds of significant structures. We emphasize sustainability, resilience, and environmental stewardship in every project phase. Our commitment to innovation, community engagement, and technical excellence has earned awards from AIA, Parking Today, and Finance & Commerce.
Services
Architectural Design Historic Preservation Interior Design Building Science Sustainability & Resiliency Construction Management Transportation Design Aviation Projects Faith-Based Design Roof Consulting
Details
  • Year established: 1963
Highlights and features
  • We offer over 60 years of architectural expertise in aviation, preservation, and sustainable design.
  • Our employee-owned structure ensures accountability and client-focused innovation.
  • We specialize in historic preservation with projects recognized by AIA and local commissions.
  • Our building science team addresses complex envelope challenges with proven solutions.
  • We integrate LEED, Passive House, and B3 sustainability standards into every project.
Associations and certifications
  • AIA (American Institute of Architects)
  • LEED AP (Leadership in Energy and Environmental Design Accredited Professional)
  • NCARB (National Council of Architectural Registration Boards)
Services
Architectural Design
Miller Dunwiddie delivers holistic architectural solutions from concept to completion. Our process begins with understanding client needs, site context, and sustainability goals. We create functional, aesthetically enduring spaces for aviation, workplace, and civic sectors. Our team ensures compliance with LEED and B3 standards while prioritizing cost-effectiveness and innovation.
Historic Preservation
We specialize in preserving historic structures using National Park Service standards. Services include tax credit applications, material analysis, and adaptive reuse strategies. Our work revitalizes landmarks while maintaining historical integrity, supported by expertise in masonry, roofing, and envelope systems for long-term durability.
Building Science
Our building science experts address roofing, waterproofing, and envelope challenges. We conduct forensic investigations, moisture analysis, and repair planning. By collaborating with engineers and contractors, we ensure energy efficiency, weather resistance, and compliance with industry codes for new and existing structures.
Sustainability & Resiliency
We integrate sustainable practices through energy modeling, material selection, and passive design strategies. Our projects target LEED, WELL, and Living Future certifications, emphasizing carbon reduction, resource efficiency, and occupant wellness tailored to client budgets and environmental goals.
Interior Design
Our interior designers create functional, inspiring environments aligned with client culture. Services include material selection, furniture specification, and 3D visualization. We prioritize WELL Building standards, accessibility, and sustainability to enhance comfort, productivity, and aesthetic appeal across workplace, transportation, and faith-based spaces.
People
Monica Hartberg
President
Monica leads Miller Dunwiddie with a focus on integrated design and client collaboration. She champions sustainable solutions and community engagement, ensuring projects align with client aspirations and operational needs.
Ann Voda
Architect
Ann specializes in inclusive design processes that prioritize community input. With awards for industry leadership, she ensures projects reflect user needs while balancing technical and aesthetic requirements for public and institutional clients.
Denita Lemmon
Principal Architect
Denita focuses on historic preservation and adaptive reuse, blending preservation ethics with practical solutions. Her work revitalizes historic buildings, ensuring they meet modern standards while retaining cultural significance.
Joel Stromgren
Principal Architect
Joel brings 30+ years of aviation and complex project expertise. He specializes in high-performance building envelopes and phased construction, delivering innovative solutions for challenging architectural problems across Minnesota and beyond.
Gregory Hulne
Principal Architect
Greg leads aviation design with expertise in integrating sustainability and technical precision. He manages project marketing and growth, ensuring client needs are met through collaborative, design-driven approaches.
Questions
What services does Miller Dunwiddie offer?
We provide architectural design, historic preservation, interior design, building science assessments, sustainability consulting, and construction management for aviation, transportation, education, and civic projects.
How does Miller Dunwiddie approach sustainability?
We integrate LEED, Passive House, and B3 guidelines, focusing on energy efficiency, embodied carbon reduction, and resilient design tailored to client goals and environmental conditions.
What is Miller Dunwiddie's expertise in historic preservation?
Since 1970, we've preserved hundreds of historic structures, adhering to National Park Service standards and securing tax credits, grants, and easements for clients.
Are you an employee-owned company?
Yes, we became an employee-owned firm through an ESOP in 2016, fostering accountability, collaboration, and long-term client partnerships.
What industries do you specialize in?
We focus on aviation, transportation, education, faith-based, and civic projects, with deep expertise in complex, multi-phase developments.
How do you ensure project quality?
Our multidisciplinary team combines technical rigor with creative design, leveraging decades of experience and industry-leading tools for precision and innovation.