I love working at Quiddity because our work positively impacts the communities we live and work in. I’ve never been more excited about the direction of this company and what the future has in store.

Shawn Graham, PE, LEED AP, Manager | Site Civil

Quiddity is a success story in establishing itself as a respected engineering firm for water drew me to the corporation. I look forward to using my experience to help further the North Texas market and serve our clients and communities.

Mohammad Bayan, PE, Vice President | Water & Wastewater

Expertise of Our Team

Team Members

Quiddity is led by an executive management team whose credentials and experience have earned the company an industry-wide reputation for quality, dependability, and service. This is reinforced by the deep expertise of our leaders and the dedication and commitment of every employee.

Jennifer Franklin, PE, Project Manager
Water Conveyance and Transmission

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Justin Cadieux, Project Manager
Site Civil

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Joseph York, PE, Land Development Manager
Land Development

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Alan Moon, PE, Senior Project Manager
Water Practice

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Justin Abshire, PE, Client Manager
Water District Services

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Wesley Lay, PE, Project Engineer
Water District Services

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Jeffrey Bishop, PE, Client Manager
Water District Services

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Camila Biaggi, ENV SP, CFM, Permit Specialist
Water and Wastewater

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Pam Madrigal, PE, ENV SP, Senior Client Manager
Water District Services

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Jeff Moeller, PE, Vice President
Public Sector for Central Texas

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Dale Vehlewald, PE, Senior Project Manager
Transportation

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Ryan Schilhab, PE, Project Engineer
Water District Services

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Rebecca Watkins, Client Manager
Water District Services

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Lisa Bonham, Client Manager
Water District Services

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Ryan Alcala, PE, Project Engineer
Land Development

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Alex Pfefferkorn, PE, CFM, Manager
Land Development

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Jeff Brindle, PE, CFM, Project Engineer
Hydrology & Hydraulics

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Matt Kainer, PE, Senior Project Manager
Program Management

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Giovanni Puccini, PE, PTOE, Senior Project Manager
Traffic & Transportation

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Robert Dazey
Robert Dazey, PE, Manager
Water District Services

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Chad Walker
Chad A. Walker, PE, Client Manager
Water District Services

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Steve Berckenhoff, PE, CFM, Senior Vice President
Public Sector Operations
“It’s exciting to see a Servant Leadership model embraced at all levels and in all corners of an organization.”

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Josh Lee, PE, Vice President
Water & Water District Services
“Quiddity has allowed me to work on a wide variety of projects, challenged me to become a better engineer, allowed me to work alongside some of the smartest engineering minds in our industry, and has given me ample opportunities to advance in my career. I can truly say the amazing employees and the unique culture here at Quiddity is what has kept me committed to this great company for so many years!”

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Nathan Walton, PE, Construction Services Manager
Water

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David Cornyn, PE, CFM, Project Engineer
Hydrology & Hydraulics

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Tanya Hobson, PE, Project Manager
Transportation
“The culture here is not only collaborative and flexible, but also provides a great balance between all my life’s demands. I am called to do, and be, so many things. Here at Quiddity, I don’t have choose to be one over another. I can be both – a disciple, wife, mom, engineer, helper, trainer, and the list goes on. Quiddity welcomes every part of who I am and it feels like home.”

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Flossie Stiles, Business Development Manager
Business Development
“I feel very fortunate to be a part of a team that values customer satisfaction and long term relationships. Our employee and client communication protocol provides the best company culture and superior service to our clients.”

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Steve Barry, PE, Senior Engineer
Water Supply & Treatment

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Grady Turner, PE, Senior Project Manager
Water

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Jennifer Weaver, Senior Engagement Specialist
Recruiting

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Jeromy Chandler, RPLS, Department Manager
Surveying

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David Warner, PE, Senior Project Manager
Water

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Sherri McElwee, PE, Manager
Land Development

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Gao Lee, PE, CFM, Senior Engineer
Hydrology & Hydraulics

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Kristin Landry, PE, Senior Project Manager
Transportation

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Liz Garcia Stone, CPESC, MS4 Engineer
Water & Wastewater

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Joseph Reza, PE, Construction Manager
Hydrology & Hydraulics
“The culture here provides a work family that wants you to succeed, both personally and professionally. Your success is the company's success.”

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David Unger, PE, Senior Project Manager
Transportation

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Stephanie Kaspar, PE, Project Manager
Water & Wastewater

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Ryan Quinn, PE, Vice President
Land Development

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Mary Barton, Manager
Business Development
“When we say we’re focused on quality and service, it isn’t just lip service. I’m incredibly proud to be part of a company that truly fosters that service-minded culture and to work alongside so many individuals who strive to provide the highest levels of quality and service to our clients.”

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Rex Hackett, RPLS, LSLS, Department Manager
Surveying

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Leo Shaw, Manager
Business Development

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Odalys Johnson, PE, CFM, Client Manager
Water District Services

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Nieves Alfaro, PE, PACP, LACP, MACP, Vice President
Water
“Our commitment to helping everyone is ingrained with everyone at Quiddity. I see this everyday when working on a project or planning for our growth in new areas. Our people are our greatest asset.”

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David Peek, PE, LEED, Land Development Manager
Land Development
“Quiddity provides the structure and benefits of a large company, but the flexibility and familiarity of a smaller, privately owned company, which is a big win for both clients and employees.”

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Adam Brumbaugh, PE, Land Development Manager
Land Development
“Quiddity’s culture inspires professional growth and cultivates an opportunity rich environment for high performers who embody our core values. This makes Quiddity an exciting place to build a career!”

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Jessica Dennis, PE, Manager
Site Civil
“Quiddity makes sure everyone in the company has the opportunity to grow and can see their meaningful impact to the company and society we serve.”

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Don Durgin, PE, Manager of Transportation
Transportation
“We promise to deliver a quality product, on time, by someone who cares. Every day we work hard, do good, and have fun with it.”

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Alan Chavez, PE, Electrical Engineer
Electrical

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Carlos Cotton, PE, RPLS, Chairman of the Board
Surveying

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Scott Saenger, PE, CFM, Vice President
Business Development

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Janet Baccus, PE, Manager
Land Development

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Gemsong Ryan, PE, LEED AP, Senior Client Manager
Site Civil

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Matthew Brazzel, RPLS, Manager
Surveying

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Nicolas Garcia, PE, Project Manager
Transportation

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Toby McQueary, PE, Manager
Water & Wastewater

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Larry Weppler, PE, Senior Construction Manager
Water & Wastewater

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J. Kent O’Brien, PE, Vice President
Transportation

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Chuck Troutt, PE, Senior Project Engineer
Electrical

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David Leslie, PE, Senior Project Manager
Urban Corridors

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James Johnson, RPLS, Regional Manager
Surveying

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Christopher Curtis, RPLS, Department Manager
Surveying

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Kyle Kaspar, PE, Manager
Water & Wastewater

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Colby Wright, PE, Manager
Traffic
“Culture is one of the main reasons I chose to work at Quiddity. It is a pleasure to work with such fun and interesting people!”

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Marty Hicks, RPLS, CFM, Deputy Practice Leader
Surveying
“Quiddity people are great to work with because they exemplify the core values of the company.”

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Mikalla Hodges, Planner
Land Planning

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Mohammad Bayan, PE, Vice President
Water & Wastewater
“Quiddity is a success story in establishing itself as a respected engineering firm for water drew me to the corporation. I look forward to using my experience to help further the North Texas market and serve our clients and communities. ”

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Kristen Hennings, PE, CFM, Senior Project Manager
Municipal Engineering

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Jeff Haeber, PE, CFM, Manager
Hydrology & Hydraulics

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Kyle Blank, PE, CFM, Vice President
Hydrology & Hydraulics

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Stephen Reiter, PE, Vice President
Hydrology & Hydraulics

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Michael Gurka, PE, Senior Project Manager
Water & Wastewater

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Bethany Miller, PE, Senior Engineer
Water & Wastewater
“To sit across the table from the person who's literally going to benefit from the thing that you've designed, that's powerful, and it help showcase to those clients what we're really capable of. ”

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Brian Dobiyanski, PE, Project Manager
Urban Corridors

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Sean McMillan, PE, Vice President
Electrical

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Rod Pinheiro, PE, PMP, CFM, Vice President
Program Management
“From day one at Quiddity, I felt aligned with the company’s core values and initiatives. The passion and dedication I see from our staff, while accomplishing our goals, delivering end-to-end excellence, and overcoming challenges to meet our clients' needs is what makes Quiddity a great company.”

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Mark Holliday, PE, Vice President
Urban Corridors

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Bryan Roberts, Construction Services Manager
Water & Wastewater

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John Dreahn, PE, Manager
Land Development

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Erin Williford, PE, Client Manager
Business Development
“I’ve seen the culture grow over the last several years into one that encourages people to step into their strengths – a perspective that is rewarding for all!”

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Martin Murdock, PE, Vice President
Municipal Engineering

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Drew Crow, PE, Vice President
Water & Wastewater

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Eduardo Martinez, RPLS, Department Manager
Surveying

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Gary Bowes, RPLS, LSLS, TxDOT Division Manager
Surveying

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Steven Jares, RPLS, CFM, Division Manager
Surveying

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Christopher Jousan, PE, Senior Manager
Site Civil

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Rob Erni, PE, Manager
Site Civil

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Adam Ray, PE, CFM, Project Manager
Hydrology & Hydraulics

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Shawn Graham, PE, LEED AP, Manager
Site Civil
“I love working at Quiddity because our work positively impacts the communities we live and work in. I’ve never been more excited about the direction of this company and what the future has in store.”

Learn More about Shawn
Looking to apply for our Internship Program or a full-time EIT Position?
Visit the Build Your Career section of our site to learn more about joining our team!
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