We Are Leaders.
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Reid Stone AIA Project Architect
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Vidya Nayak AIA Project Architect
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Rebeca Rios Architectural Designer
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Ryan Kolowich WELL AP Architectural Designer
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Emma Smith RID, WELL AP, FITWEL AMB Interior Designer
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18 Styles of Warby Parker
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Meredith Quigley AIA, RID Director of Interior Design
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Fatima Pacheco Associate AIA Architectural Designer
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Rick Query AIA Project Architect
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Project Architect Join the Team
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Ryan T. Playle Architectural Designer
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Joe Cannon AIA, LEED Green Associate Senior Project Manager
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Project Designer Join the Team
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Joanna Hampton AIA Director
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Joseph Morales Associate AIA Project Manager
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Timothy Astor WELL AP Project Designer
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Mitch Daniel AIA, LEED Green Associate Project Architect
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120 Wednesday Breakfast Tacos
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Mark Holsinger LEED AP Design Leader
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Cayce Davis AIA, WELL AP Project Architect
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Tenaj Pinder Project Designer
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Claudia (Pao) Delgado Architectural Designer
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Stephanie Enriquez Associate AIA Architectural Designer
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McKenzie Cusey Associate AIA Architectural Designer
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MartĂn Medina Associate AIA, LEED Green Associate Architectural Designer
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Ray Bennett AIA BIM Manager
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Amy C. Guenther LEED AP Executive Assistant
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Eddie Fortuna Associate AIA Design Leader
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Donglin Chen LEED Green Associate Architectural Designer
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32 Registered Architects
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Andy Fast AIA, LEED AP Design Leader
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Jeff Slajer AIA, LEED Green Associate Senior Project Manager
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Martha Schantz AIA Senior Project Architect
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Christopher Carpio Associate AIA Senior Job Captain
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Gabriel Friedstadt Architectural Designer
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Russell D. Zahradnik Marketing Coordinator
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Amanda A. Buckley Associate AIA Chief Marketing Officer | Director of Business Development
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Morgan Mitford IIDA, WELL AP, FITWEL AMB Interior Designer
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Mark A. Schantz AIA Technical Director
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Efrain Martinez Architectural Designer
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Neysha J. Rios Job Captain
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583 Books in Design Library
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Amber Slajer Executive Assistant
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Toluwalope "Tolu" Olayinka AIA, WELL AP, LEED Green Associate Project Architect
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Randall H. Stone AIA Mixed-Use
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D. Michael Hellinghausen FAIA, LEED AP COO
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Kevin T. Parker IT Mangaer
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Jennifer Craddock Associate AIA Project Manager
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Erica Sanchez Project Manager
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Selina Cinecio AIA, RID Project Architect
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Jonathan Nurko Architectural Designer
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Valeria Ormo Architectural Designer
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Carrie Flores CPSM Marketing Manager
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13 LEED Accredited Professionals
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Claudia Brewer CPA, CGMA Controller and HR Manager
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Luke Archer AIA Project Architect
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Project Manager Join the Team
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Christine Kolleade FITWEL Ambassador Executive Assistant
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John Hampton AIA, LEED AP Technical Principal
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Randy McCown AIA Senior Project Manager
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Aaron Farmer AIA, LEED AP Director
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Ramon Villalba AIA Senior Project Architect
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Jae Lee AIA, LEED AP BD+C Senior Project Designer
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J. Tipton Housewright FAIA, LEED AP CEO
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Ashley Shipman RID Interior Designer and Technical Lead
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120 Cups of Coffee Per Day
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Kristin Kolowich John AIA Project Manager
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Feras Alsafi Architectural Designer
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Steve Brookover AIA, LEED AP BD+C Technical Director
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9 Brilliant Lefties

D. Michael
Hellinghausen
FAIA, LEED AP
Principal | COO
As Principal and COO, Mike Hellinghausen is responsible for the financial and operational management of OMNIPLAN. Mike began his career in 1979 and became an architect in 1983. After joining OMNIPLAN, he initially served as a project architect and project manager. Since assuming his current role in 1999, he has managed the operational and financial aspects of the firm, while developing and implementing programs to promote sound business practices and enhance staff performance.
Over the decades, Mike has successfully completed numerous architectural projects. As a staff architect for the Texas Tech University Health Sciences Center, he managed numerous projects on the Lubbock HSC campus, as well as a new clinic on the Amarillo HSC campus. While at Centerbrook Architects, in Essex, Connecticut, he served as project architect for the Wriston Art Building at Lawrence University, and for an expansion of the Tuck School of Business at Dartmouth College. At OMNIPLAN, he has served as project manager and principal-in-charge on a number of institutional and office building projects.
Mike is often a speaker and presenter on the subjects of firm management and financial wisdom, and writes an occasional blog post on these topics at From Blueprints to Greenbacks. He was the 2019 President of the Texas Society of Architects. He and his wife Linda live in East Dallas and have three children. Mike is an avid cyclist and reader.
Project Experience
UT Southwestern C. Kern Wildenthal Research Building Dallas Midtown Bent Tree Bible Fellowship Chapel Texas A&M Health Science Center MREB 2 CityLine Liberty Mutual Insurance Regional Offices Architecture and Design Exchange (AD EX) The Offices of Cypress Waters Cambium Learning Group Texas A&M Corpus Christi, Michael & Karen O'Connor College of Business Parkland Hospital Parking GarageHeadlines/Blog Posts
TxA President's Letter: Time to Act TxA President's Letter, The Messenger Immersion TxA President’s Letter: Who Will We Be? TxA President’s Letter: Let Them In From Blueprints to Greenbacks
Education
Bachelor of ArchitectureUniversity of Notre Dame Master of Science in Architecture
Massachusetts Institute of Technology
Affiliations
Texas Society of ArchitectsPresident
2019 Texas Society of Architects
Treasurer
2016-2017 Texas Society of Architects
Finance Committee
2012-2016 AIA Dallas
TAC Trustee
2007-2010 St. Thomas Aquinas
Advisory Council
2004-2009
Community
Texas Society of Architects Convention Workshop Presenter AIA National Convention Panel Speaker and Workshop Presenter UTA School of Architecture Guest Lecturer CANstruction Participant Hearts & Hammers ParticipantStarted at Omniplan
28 years ago
Hometown
Breckenridge, TX