Patrick Ladendecker

Patrick Ladendecker

Saint Louis, MO, US



Licensed architect and LEED AP BD+C with over nine years experience in architecture, sustainable design/consulting, and urban planning. I’ve been deeply involved in the design and certification of 5 Living Building Challenge projects, including one of the first ever certified Living Buildings, the Living Learning Center at Washington University in St. Louis. I’ve also managed the certifications of over 15 LEED projects ranging from certified to platinum level. Project/Building Types include Experiential Education, Higher Education, Adaptive Reuse, Mixed-Use, Corporate Office Buildings, Commercial Buildings, Retail, Single-Family Residential, and Multi-Family Residential.

Active community member including USGBC-MO Gateway member since 2006 and Marketing Committee member since 2010. I’ve presented on architecture and sustainability, including building tours as well as in class presentations and critiques, for Rockwood’s Center for Creative Learning, Camp Earthways, and the Alberti Program at Washington University in St. Louis.

LEED AP: Accredited since August 2008.
LEED AP BD+C: Accredited since October 2013.
Missouri Registered Architect: Licensed since January 2015.
NCARB Certificate Holder: since April 2015.

Specialties: Architecture, Sustainable Design, Master Planning, Living Building Challenge, LEED.


Hellmuth + Bicknese Architects, Project Architect

Project Designer for the Tyson Living Learning Center, a research center for Washington University in St. Louis which was crowned one of the first certified Living Buildings through the International Living Futures Institute. I also have been deeply involved in four other LBC projects ranging from Petal Recognition to full Living Building certification as well as over fifteen LEED Projects from both the architectural side as well as from a LEED project manager position. Other responsibilities include managing business development proposals and opportunities.

Feb 2007 - current

MTH Architects, Inc., Intern Architect

Assisted schematic design and design development stages on several projects, visited project construction sites, and produced detailed construction document sets. Projects include single family residential, retail, and institutional.

Aug 2006 - Feb 2007

Hagerman New Urbanism, Intern

Generated drawings from design development through construction documents for a municipality in northern Missouri.

Dec 2005 - Apr 2006

SJ Hollander Architects, P.C., Intern

Generated construction documents, managed the product library and assisted the architect through the construction process. Projects include a medical facility, automotive dealership, and a financial institution.

Jun 2005 - Aug 2005


Drury University, Springfield, MO, US, BArch, Architecture, Art History

Aug 2001 - May 2006

Areas of Specialization