son SFA Architects Inc.

E. Thomas Fernandez | RA, SARA

Emilio Fernandez | RA, NCARB, LEED AP

Kimberly Patton | RA, NCARB

Greg Otis | AIA
Senior Vice President

John Patrick Rademacher | RA, NCARB, AIA

Tony Lozier | PE, LEED AP

Ashley Barnes
BIM Manager

David Breda | CSI, CCS, CCCA, CDT
Construction Administrator

James Geers | RA, LEED AP
Sustainability Manager

Lisa Cameron Gulley
Planning & Programming Lead

David Hester | RA
Project Manager

Matthew King | RA
Project Manager

Cyndi Klein
Senior Interior Designer

Dan Montgomery | RA, RRO, RRC, RWC
Building Envelope Specialist

Yan Nasilevich
Project Manager

Matthew Puthoff | RA
Project Manager

Eryn Thamann | RA
Project Manager

Jake Thamann | RA
Project Manager

Chris Carter
Project Manager - Piping & Plumbing

Rusty Harp
Project Manager - Electrical, Technology,
Fire Alarm

Sylvia Hite
Project Manager - Lighting

Ron Johnson |
Project Manager - Electrical

Drew Linck | PE
Project Engineer - Mechanical

Dale Pettigrew | PE
Project Engineer - Electrical

Steve Zumwalde
Project Manager - Mechanical



Architectural Design Major | University of Cincinnati
Engineer Officer Candidate School | United States Army
BA , MA Theology | Temple Baptist College
ThD | Grace Baptist Bible College
Electrical Engineering | University of Alaska

44 years | 8 years with SFA Architects

Mr. Johnson is a valuable asset to SFA’s Engineering team with his exceptional discipline and attention to details. Mr. Johnson served in the US Army from as a Corps of Engineers Officer and later as Platoon leader in 559th Combat Engineer Company performing construction by building roads, bridges, quarry operations, and barrack buildings. This real-world application in combination with the experience of the Army has shaped Mr. Johnson to be a trusted, reliable engineer who can ensure that his work is done on-time, on-budget, and to the highest standards. Client satisfaction is maximized with Mr. Johnson’s valuable expertise.

Professional Engineer | OH, IN, KY
IEEE – Member Institute Of Electrical and Electronic Engineers
IAEI – Member International Association Of Electrical Inspectors
NFPA – Member National Fire Protection Association