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Meet Our Team:


Roger Wiese has over 20 years of experience in the landscape construction and ecological restoration industries. While earning a bachelor's degree in Horticulture from Iowa State University, Roger worked in road construction as a concrete finisher, and for an irrigation contractor as a technician. He has overseen numerous landscape construction projects throughout Illinois, Wisconsin, Indiana, and Iowa.  Roger draws on his years of experience to ensure Cardinal State, LLC not only meets the project requirements, but does so with professionalism and integrity. In his free time, Roger can be found enhancing his personal landscape, caring for his chickens and garden, and enjoying the outdoors with his family and friends.

Roger Wiese

Ryan joined the Cardinal State, LLC team in January of 2022. He came to Cardinal State, LLC with a diverse career background in social work, fundraising, and facility management. Ryan’s role within Cardinal State, LLC will continue to evolve. Currently, he acts as the point person for fiscal management, professional development, advanced customer support, and various administrative tasks.  Overall Ryan’s goal at Cardinal State, LLC is to work with all employees and customers to guide the continued growth of the company. In his free time, Ryan enjoys quality family time and long distance running. 

Ryan Brant
General Manager

Jason graduated from Illinois State University with a B.S. in Biology. His focus concentrated on Plant and Conservation Biology. After college, Jason spent multiple years in the field as a crew foreman running terrestrial and aquatic ecological restoration projects across the Midwest in a wide array of ecosystem and habitat types. As the Operations Manager at Cardinal State, LLC, Jason oversees all field operations while specializing in managing the large scale plantings and ecological restorations/vegetation management projects. Jason's  extensive experience and high attention to detail and organization give him the ability to run complex, cross discipline projects in an efficient and effective manner. Our crew and fleet organization is all thanks to Jason. In his free time, Jason enjoys coaching baseball and enjoying quality time outdoors with his family and friends.  

Jason Siegler
Operations Manager

Colin Rich 2.jpg

Colin graduated with honors from Baldwin Wallace University in Berea, Ohio with a B.S. in Biology and a Minor in Geology. His academic interests included plant biology and conservation as well as molecular ecology and plant physiology. After college, Colin relocated to the Chicagoland area where he spent multiple years in the field as a crew foreman installing, restoring, and maintaining ecological restoration projects throughout the region. Colin continued his career as an NPDES/SWPPP Consultant in the residential construction industry working with homebuilders, land developers, and contractors to meet federal, state, and local regulatory agency's soil and water pollution standards. As an Assistant Project Manager and ISA Certified Arborist at Cardinal State, Colin manages a wide variety of project types, assists staff with project needs, performs tree and ecological assessments, and communicates with clients and vendors. Colin’s education and unique work background provide the knowledge and field experience to communicate sound multidisciplinary solutions to complex environmental problems with the goal of maximizing management strategies within the project’s budget and timeline. In his free time, Colin enjoys hiking with his girlfriend and two dogs, kayaking, fishing, golfing and backpacking.

Colin Rich
Assistant Project Manager
ISA Certified Arborist


Ismael has been in the landscape construction industry for over 28 years with a focus on high-end residential and commercial landscape and hardscape installation, retaining wall installation, green roof and green infrastructure installation, and City of Chicago parkway plantings and maintenance. His ground-up experience in the industry has given him the knowledge and skill to coordinate with clients, engineers, architects, and subcontractors to achieve project goals while sticking to strict timelines. Together, Ismael and Sergio train and oversee our field crews and their operations to ensure projects are completed on time while achieving the highest quality possible. When he isn't working, Ismael can be found enjoying time together with his family and friends. 

Ismael Espinoza

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