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is more than a motto at HDA,

it’s the philosophy we live by. In 1986,

Jack Holleran, President of HDA, envisioned a professional service firm providing 

creative and timeless design with 

exceptional customer service. Our staff 

provides architecture, interiors and 

master planning services across these diverse sectors: 

BEVERAGE

 

INTERIORS

OFFICE

MULTI-FAMILY & HOSPITALITY

RETAIL & COMMERCIAL

DISTRIBUTION & WAREHOUSING

IT STARTS WITH A VISION

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MANAGEMENT
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PRESIDENT

JACK
HOLLERAN

As President of HDA, Jack reinforces strong leadership within the company, taking an active role in programming, conceptual design, and project strategy.  Jack chairs the Executive Management Team while his 46 years of experience includes various projects ranging from Beverage, Office, Interiors, Multi-Family & Hospitality, Retail & Commercial, and Distribution & Warehousing.

636.449.2450

jholleran@hdai.com

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PATRICK HOLLERAN

Patrick oversees business development initiatives and pursuit strategies for all market sectors. He utilizes his strong interpersonal skills to establish solid client and consultant relationships. Additionally, Patrick works closely with the local and national trade publications making sure each HDA client’s project is covered and published appropriately. Patrick plays a key role in HDA’s operations and assures our image

and core values are well represented.

314.780.1204

pholleran@hdai.com

VICE PRESIDENT 

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As Director of Operations, Brice’s primary duties include overseeing day-to-day office activities, managing resources, and schedules as well as quality control. He also provides oversight of all of the construction documents completed by HDA’s project teams, reviewing the drawings throughout their development and sealing and signing the drawings for submission to jurisdictional authorities. 

BRICE
ZICKUHR

DIRECTOR OF OPERATIONS/
SENIOR PROJECT MANAGER

314.616.2826

bzickuhr@hdai.com

PRINCIPAL

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ANGELA
FEDDERSEN

With over 28 years of experience guiding clients through the architectural design process from corporate headquarters and higher education to residential projects, Angela leads HDA’s Denver, Colorado office. She brings a high design aesthetic and energetic visioning process to every project, promising a collaborative and inclusive design experience & expertise.

303.319.1274

afeddersen@hdai.com

ACHIEVEMENTS

OVER $3 BILLION IN

CONSTRUCTION

 

OVER 30 YEARS IN BUSINESS

 

DESIGNED OVER

16 AUTO DEALERSHIPS

 

OVER 100 MILLION SF

DESIGNED ACROSS THE COUNTRY

 

DESIGNED THE FIRST

SILVER LEED CERTIFIED LEXUS

DEALERSHIP IN THE COUNTRY

DESIGNED OVER 100

OFFICE BUILDINGS

 

REGISTERED IN 40 STATES

 

DESIGNED OVER 250

INDUSTRIAL PROJECTS

 

DESIGNED OVER 165 BEVERAGE

DISTRIBUTION FACILITIES

 

DESIGNED THE FIRST

LEED CERTIFIED OFFICE

BUILDING ST. LOUIS

CORE VALUES

 QUALITY 

PROFESSIONALISM 

CAN-DO-ATTITUDE 

CREATIVITY 

INTEGRITY 

INTEGRITY 

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