Our Leadership

SRF is a privately owned corporation that is led by 25 principals. Our principals actively participate in each project, whether it’s a traffic impact study for a new residential development or an environmental impact statement for a new river crossing. Through this work, they have established strong relationships with our clients and clearly understand your values and expectations.


Randall Geerdes, PE
President and CEO

 rgeerdes@srfconsulting.com
Tim Phenow, PE
Senior Vice President
Municipal & Site Engineering
 tphenow@srfconsulting.com
Barry Warner, FASLA, AICP
Senior Vice President
Landscape Architecture & Urban Design
 bwarner@srfconsulting.com
S. Rick Brown, PE
Vice President
Highway Engineering
 rbrown@srfconsulting.com
James Dvorak, PE
Vice President
Municipal Engineering & Construction
 jdvorak@srfconsulting.com
Denny Eyler, PE, PTOE
Vice President
Special Transportation Studies
 deyler@srfconsulting.com
David Montebello, PE
Vice President
Transportation Planning & Studies
 dmontebello@srfconsulting.com
Beth Bartz, AICP
Principal
Environmental & Community Planning
 bbartz@srfconsulting.com
Marie Cote, PE
Principal
Traffic Studies
 mcote@srfconsulting.com
Don Demers, PE
Principal
Highway Engineering
 ddemers@srfconsulting.com
Larry Erickson, PE
Principal
Bridge & Structural Engineering
 lerickson@srfconsulting.com
Peter Fausch, PE
Principal
Transportation
 pfausch@srfconsulting.com
David Filipiak, PE
Principal
Water Resources
 dfilipiak@srfconsulting.com
Charles N. Gonderinger, PE
Principal
Marketing
 cgonderinger@srfconsulting.com
Matt Hansen, PE, RLS
Principal
Municipal Engineering and Right of Way
 mhansen@srfconsulting.com
Ken Holte, PE
Principal
Highway Engineering
 kholte@srfconsulting.com
David Juliff, PE
Principal
Municipal & Site Engineering
 djuliff@srfconsulting.com
Joseph Kern
Principal
Transit
 jkern@srfconsulting.com
Rick Lane, PE
Principal
Fargo Regional Office
 rlane@srfconsulting.com
Michael Marti, PE
Principal
Marketing
 mmarti@srfconsulting.com
Michael Monahan, PE
Principal
Parking & Site Engineering
 mmonahan@srfconsulting.com
Ferrol Robinson
Principal
Transportation Planning & Studies
 frobinson@srfconsulting.com
Robert Roscoe, PE
Principal
Bridge & Structural Engineering
 rroscoe@srfconsulting.com
Brian Scott, PE
Principal
Intelligent Transportation Systems
 bscott@srfconsulting.com
Brian Shorten
Principal
Transportation Planning & Studies
 bshorten@srfconsulting.com
George Stuempfig, PE, PTOE
Principal
Traffic Engineering Design
 gstuempfig@srfconsulting.com
Steve Wilson
Principal
Traffic Forecasting & Modeling
 swilson@srfconsulting.com
Derek Hungness, PE, AICP
Senior Associate
Madison Regional Office
 dhungness@srfconsulting.com

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