Who We Are

Stuart Jones, PE

Stuart Jones started the company in 1988 as a sole proprietorship with a unique vision to offer clients a single source for land development consulting. Now as the managing partner in the firm, he continues to lead the business forward as the principal land planner with over twenty years of experience in maximizing a site’s fullest development potential by using existing topography and natural land features to enhance the overall master plan. He continues to manage civil design and construction management projects during the development process. Stuart has participated in many volunteer advisory committees for local municipalities including the Wake County Southwest Area Land Use Plan Advisory Committee and the Town of Apex Western Area Plan Advisory Committee. Stuart has worked in the triangle area since 1983 when he received his BS in Civil Engineering from NC State University. He earned his professional engineering license (#14099) in 1987 and is an active member of the Professional Engineers of North Carolina and The National Society of Professional Engineers.

Peter Cnossen has been with the firm since 1995 and was made partner in 2001. His responsibilities for the firm include; principal project designer in the planning, engineering and construction management process, business development and oversight of human resources. He also brings over 8 years of geotechnical engineering experience to the firm which benefits our clients construction management needs by offering creative solutions to challenging land development construction problems. Peter received his BS in Civil Engineering from Northeastern University in 1985 and his ME in Civil Engineering from Virginia Tech in 1987. He received his North Carolina Professional Engineering license (#17252) in 1991.

Peter Cnossen, PE

Kathy Jones, CFO

Kathy Jones has acted as an unofficial partner in every phase of the growth of our company. With her BA-Business Management and MBA from NC State, she brings her keen organizational skills to the financial management of the business, her knowledge of human resources and her expertise in all other business functions. She has led the way in every phase of growth where new levels of company management are needed. Kathy continues her role with the company, acting as a consultant when her skills are needed.

Patrick Kiernan is a full time Professional Engineer at Jones & Cnossen Engineering having been licensed in January 2020.  He has been with the company since 2012, when he began interning during his sophomore year at NC State.  Patrick graduated from NC State in December 2015 with a BS in Civil Engineering and a BA in Spanish Language and Literature, and transitioned to full time employment shortly after.  His favorite thing about working for a small company is being able to experience all the different sides to a project, rather than working for one department and focusing on one specialty.  Patrick is a music, animal & outdoor enthusiast, and is a big fan of the Wolfpack, Atlanta Braves & Carolina Panthers.

Patrick Kiernan, PE

Erin Marcum, Office Manager

Erin Marcum is currently the Office Manager responsible for bookkeeping, billing, payroll and Human Resources functions. She joined Jones & Cnossen Engineering in 2015 as an Administrative Assistant. Erin graduated from Capital University in Columbus, Ohio with a Bachelor of Arts in Management. Her previous experience in bank operations, credit card operations, bookkeeping, office management and customer service, gives her the ability to contribute toward the company goals of client satisfaction and excellence in everything we do.

Will Norton is a full time Engineer Intern (EI), working toward professional licensure. He is a 2017 North Carolina State University graduate where he studied Civil Engineering and Horticultural Science. Will is originally from Lumberton, NC where he graduated as Salutatorian in the Class of 2013. Will began in 2015 working as an intern focused on drafting, problem solving, and other delegated projects. Growing up in a Landscape Contracting business, Will has an appreciation for working with existing land and topography to beautify and enhance the functionality to a client’s desire. When he’s not in the office Will enjoys hunting, fishing, playing golf, and going to the beach whenever possible.

Will Norton, EI

Tim Dzwill, EI

Tim Dzwill is a full time Engineer Intern (EI) at Jones & Cnossen Engineering. He graduated from NC State in 2019 with a BS in Civil Engineering and began with the company in early 2019 as an intern, transitioning to full time after graduation. He has recently gained an interest in land development and is excited to put his 7+ years of CAD experience to use. In his free time, he loves to travel and go to amusement parks.