Our Leadership Team

Kenneth K. Jones, Sr. PS
President Emeritus
kenjones@jpr1source.com

David Rafinski
Principal
drafinski@jpr1source.com

Kenneth Jones, Jr. PS
Principal
kennethjones@jpr1source.com

Andrew Cunningham, PLA
Principal
acunningham@jpr1source.com
Architecture Team

Djamel (Dj) Charmat Jr., AIA, NCARB
Director of Architecture
dcharmat@jpr1source.com

Steve Vandenburg, RA
Senior Architect
svandenburg@jpr1source.com

Ed Kowalczyk, AIA, NCARB
Senior Architect
ekowalczyk@jpr1source.com

Kirstin Baum, RID, NCIDQ, Assoc. AIA
Architectural Graduate
kbaum@jpr1source.com
Engineering Team

Jeffrey M. Gastel, PE
Director of Engineering
jgastel@jpr1source.com

Brett Konarski, PE
Senior Staff Engineer
bkonarski@jpr1source.com

Dan Byam, PE
Senior Staff Engineer
dbyam@jpr1source.com

Claire Eltzroth, PE
Professional Engineer
celtzroth@jpr1source.com

Jordan Maxson, PE
Civil Structural Engineer
jmaxson@jpr1source.com

Matt Schuster
Director of Site Development
mschuster@jpr1source.com

Mark Wilson, PE
Senior Staff Engineer
mwilson@jpr1source.com

Steve Henschen, PE
Senior Staff Engineer
shenschen@jpr1source.com

Allie Nahrwold, PE
Project Engineer
anahrwold@jpr1source.com

Mike Voll, PE
Senior Transportation Engineer
mvoll@jpr1source.com

Edgar Moreno, PE
Project Engineer
emoreno@jpr1source.com
Landscape Architecture Team

Nathan Deig, PLA, ASLA
Landscape Architect
ndeig@jpr1source.com

Austin Blomeke, PLA
Landscape Architect
ablomeke@jpr1source.com

Robert Heiden, Jr.
GIS Manager and Graduate Landscape Architect
rheiden@jpr1source.com

Josh Barkley, PLA
Landscape Architect
jbarkley@jpr1source.com
Survey Team

Jeffrey S. Barnes, PS
Survey Department Manager
jbarnes@jpr1source.com
Environmental Team

Conley Phifer, CHMM
Environmental Department Manager
cphifer@jpr1source.com

Joshua A. Klosinski, LPG
Environmental Project Manager
Business Development & Marketing

Mike Hanyzewski
Director of Marketing
mhanyzewski@jpr1source.com

Cameron Rafinski
Business Development Specialist
crafinski@jpr1source.com

Jessica Dooms
Senior Graphic Designer
jdooms@jpr1source.com