Jon Holler, Southeast Region Manager

A Senior Project Manager in our Nashville office, Jon has more than 23 years of experience in design and construction of maintenance and operations facilities. His experience includes planning and design on more than 50 municipal service centers, bus and rail transit facilities, and vehicle maintenance facilities throughout  the United States ranging in size from $5 to more than $100 million in construction value. Jon excels at managing some of the firm’s largest and most complex projects from initial planning and conceptual design through construction close out.  His abilities to manage multi-disciplinary design teams to meet client deliverables, are among the best in the industry.

Return to see all of our Leaders

  • LA Metro Expo Rail Operations and Maintenance Facility
  • LA Metro Gold Line Operations Campus
  • LA Metro Division 13 Bus Maintenance and Operations Facility
  • Honolulu Mass Transit Maintenance and Storage Facility
  • TRANSPO Operations and Maintenance Facility

Don Leidy, Managing Principal

Don is recognized as one of the leading...


Ken Booth, Mountain Region Manager

Leading our Denver office, Ken's 18+ years of...


Jon Holler, Southeast Region Manager

Jon has more than 20 years of experience...


Mark Ellis, Central Region Manager

A Senior Project Manager in our Houston office,...


Steve Radomski, AIA, Northwest Region Manager

Steve leads the Eastern Region from our Baltimore...

Darren Pynn

Darren Pynn, AIA, Southwest Region Manager

Darren has more than 30 years of planning...

Jeff Lohr_TEMP_web

Jeff Lohr, RA, Eastern Region Manager

Jeff Lohr, a Senior Facility Design Manager in...