Who We Are

With a diversity of backgrounds, ideas and experiences, our people bring energy, talent, imagination and creativity to their work. 

We value collaboration and celebrate bringing our whole selves to the work we do. Click through the profiles below to learn about the fabric of Cambridge Systematics: our people, their experiences and passions.

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Arin Gregory Melikian

GIS Specialist

New York, NY

Greta Ritzenthaler headshot

Greta Ritzenthaler

Travel Demand Modeler

Oakland, CA

Rachel Copperman headshot

Rachel Copperman, PhD

Team Lead (Principal)

Austin, TX

Emma Winston Chapman headshot

Emma Winston Chapman, MBA

Associate - Transportation Finance

Chicago, IL

Ali Afshar headshot

Ali Afshar, PhD

Senior Associate

New York, NY

Samuel Wilburn headshot

Samuel Wilburn, PE, PMP

Associate

Tallahassee, FL

Natalie Wilson headshot

Natalie Wilson

Transportation Analyst

Tallahassee, FL

Holly Mattera headshot

Holly Mattera

Chief Financial Officer

Medford, MA (Headquarters)

Nick Caccamo headshot

Nick Caccamo

Principal │ Director of Contracts & Corporate Counsel

Chicago, IL

Haiyun Lin

Travel Demand Modeler

Chicago, IL

Xinbo Mi headshot

Xinbo Mi

Travel Demand Modeler (Associate)

Oakland, CA

Michelle Bina headshot

Michelle Bina

Travel Demand Modeler

Denver, CO

Ryan J. Ellis headshot

Ryan J. Ellis

Southeast Market Leader

Atlanta, GA

Lauren Bennett headshot

Lauren Bennett, AICP

Associate

New York, NY

Brian Jennings headshot

Brian Jennings

Senior Project Manager

Becky Wingate headshot

Becky Wingate, MEng, PE

Associate

Chicago, IL

Marisela Cruz headshot

Marisela Cruz, CFCM

Senior Pricing Analyst & Negotiator

Chicago, IL

Adriana Aurelio

Project Accountant II

Los Angeles, CA

Krista Jeannotte

Principal

Chicago, IL

Marlene Connor headshot

Marlene Connor

Board of Directors, Member

Kaveh Shabani headshot

Kaveh Shabani, M.Sc., M.E.

Senior Project Manager

Los Angeles, CA

Claudette Mahan headshot

Claudette Mahan

Senior Project Manager

Fort Lauderdale, FL

John Vannie

Associate, Onsite Project Manager at NYSDOT

New York, NY

Hannah Santiago headshot

Hannah Santiago, AICP Volume Icon TitleHear How to Pronounce My Name

Senior Associate

Austin, TX

Daniel Patterson

Data Engineer (Associate)

New York, NY

Alan P. Amidon headshot

Alan P. Amidon, MSP

Senior Professional

Tallahassee, FL

Sarah Walker headshot

Sarah Walker, MSP

Senior Project Manager

Tallahassee, FL

Tatyana Dimitrova headshot

Tatyana Dimitrova

Contracts Specialist

Medford, MA (Headquarters)

Vanessa Torline

Internal Communications Specialist

Karla Kingsley

Senior Project Manager (Senior Associate)

Denver, CO

Dalia Leven headshot

Dalia Leven, AICP

Transit + Shared Mobility National Planning Lead

Bethesda, MD

Sarah Windmiller headshot

Sarah Windmiller

Transportation Analyst

Chicago, IL

Reagan Lynn headshot

Reagan Lynn

Senior Manager, Sales Operations & Enablement

Tallahassee, FL

Heath Lupton headshot

Heath Lupton

Travel Demand Modeler

Tallahassee, FL

Sha’Von Terrell headshot

Sha’Von Terrell, M.C.R.P

Analyst

Atlanta, GA

Lia Yakumithis headshot

Lia Yakumithis, AICP Volume Icon TitleHear How to Pronounce My Name

Associate Transportation Analyst

Chicago, IL

Alex Kone headshot

Alex Kone

Associate

New York, NY

Stacy M. Cook headshot

Stacy M. Cook, AICP

Senior Project Manager

Bethesda, MD

Mark Feldman headshot

Mark Feldman, PTP

Senior Associate

Medford, MA (Headquarters)

Ralph Pimienta headshot

Ralph Pimienta

Project Accountant III

Chicago, IL

Clay Barnes

Associate

Raleigh, NC

Chris Lamm headshot

Chris Lamm

Freight and Economics Team Lead

New York, NY

Baird Bream headshot

Baird Bream, MPP

Senior Associate, Planning & Management

Chicago, IL

Joe Zissman headshot

Joe Zissman

Planning Project Manager (Associate)

Medford, MA (Headquarters)

Sogand Karbalaieali headshot

Sogand Karbalaieali, PhD, PE Volume Icon TitleHear How to Pronounce My Name

Senior Associate

Bethesda, MD

Rebecca Brown headshot

Rebecca Brown

Senior Software Engineer

Medford, MA (Headquarters)

Lisa Medearis

Business Development Specialist

Chicago, IL

Mathew Trostle headshot

Mathew Trostle

Associate

Denver, CO

Ishraque Sk Md headshot

Ishraque Sk Md, EIT

Data Analyst

Chicago, IL

Susan J. Binder headshot

Susan J. Binder

Principal

Bethesda, MD

Marina Budimir

Senior Associate

Oakland, CA

Heide Frank headshot

Heide Frank, PMP

Project Manager / Software Developer

Medford, MA (Headquarters)

Sheldon Harrison headshot

Sheldon Harrison

Travel Demand Modeler

Tallahassee, FL

Christian Higgins

Associate

New York, NY

Navjyoth Jayashankar headshot

Navjyoth Jayashankar, Ph.D

Travel Demand Modeler

Denver, CO

Nadine Rosemon

Business Development Assistant

Chicago, IL

Nicole S. McCall headshot

Nicole S. McCall, CPM

Associate

Chicago, IL

Jennifer Whittingham

Quality Assurance Lead

Medford, MA (Headquarters)

Niloofar Ghahramani

Travel Demand Modeler

New York, NY

Leonardo (Leo) Cavalcanti headshot

Leonardo (Leo) Cavalcanti

David Jackson headshot

David Jackson, AICP

Principal

Raleigh, NC

Dan Beagan headshot

Dan Beagan, PE

Emma Stockton headshot

Emma Stockton

Senior Professional

Bethesda, MD