Key Personnel
Cody A. Geisendorfer, PE, ME
Principal Engineer
Cody is an engineer and founder of Chayah Consulting Group. He has worked for large and small companies in both production and leadership roles as both structural engineer and civil engineer. A designer at heart, he specializes in creative solutions to project challenges and leading teams to deliver results.
Cody has a Master’s degree in Structural Engineering from Colorado State University and a Bachelor of Science degree from the Univerity of Nevada - Las Vegas in Civil and Environmental Engineering. He also maintains contractor licenses in Colorado and Florida.
Some of his accomplishments include implementing new software and standards to a 300-plus engineering firm, starting and running a structural department for a multi-state firm, growing a previous firm from $50k to $1M in revenue while being in the top 25 growing firms Northern CO, and being the engineer of record on over 1,000 projects.
Cody enjoys travel, remodeling, spending time with family at theme parks, hiking, gaming, and boating in his free time.
Michelle D. Geisendorfer
Executive Assistant
Michelle is the executive assistant to Cody and provides office and sales support, event planning, interior decorating, and human resources. Michelle specializes in project coordination, client happiness, office culture, and keeping the administrative and marketing departments running smoothly.
Michelle’s accomplishments include leading a sales team at a large department store and beating many sales goals, completing college while raising children, working as a bank teller, being an assistant manager at an apartment complex, and preschool teacher.
In her free time she enjoys spending time with family, volunteering at church, traveling, and skiing.
Senior Project Manager/Engineer
Lisa is a senior project manager and civil engineer at Chayah. She provides engineering leadership to the Chayah team directing junior engineers while solving complex problems and managing projects for our clients. Lisa specializes in water resources, drainage, energy, and retaining wall and grading projects. She is skilled in Civil 3D and hydrology/hydraulics software as well as water supply and septic/wastewater engineering.
Lisa completed her Bachelors in Engineering at University of Wyoming with additional studies at California State University Bakersfield in Geology and Colorado State University in Civil Engineering. She is also an avid continuing education enthusiast.
Some of Lisa’s accomplishments include volunteering with elementary age children in STEM, serving as the Webmaster and Membership Chair for the Northern Colorado Branch of the American Society of Civil Engineers, and teaching energy courses across the country and around the world.
Lisa enjoys gardening, leading church music team, and studying other languages in her free time.
Lisa L. Denke, PE
Casey Wilson, P.E.
Structural Team Leader/ Project Manager
Casey is a team leader and Project Manager at Chayah Consulting Group. He provides Structural Engineering and Project Management for a variety of projects.
He is skilled in overseeing and processing multiple design projects to meet deadlines within budget by managing other engineers and CAD technicians and maintaining communication with clients to completion. He is highly skilled in AutoCAD, IES, INc. Structural software, and RetainPro. He is also familiar with relevant structural codes and regulations.
He received his B.S. degree in Civil Engineering from Colorado State University in December of 2009 and his P.E. license and NCEES S.E. license in 2015.
In his free-time he enjoys snowboarding, skateboarding and building and collecting legos with his sons.
Wael Abdalrwaf, MS
Design Engineer
Wael is a structural/civil designer at Chayah. He provides structural engineering, civil engineering and calculations for a variety of projects. Wael also provides construction observation and submittal review services. Wael is well versed in Revit, AutoCAD, Civil 3D, Matlab, and excels at construction observation.
Wael is working on his PHD in Structural Engineering at Colorado State University and completed his Master of Science in Civil and Environmental Engineering at Colorado State University and Bachelor’s of Science in Civil and Environmental Engineering at Omar Al-Mukhtar in Libya.
Some of Wael’s accomplishments include completing framing and foundation designs for large custom homes, steel structures 3d analysis, and complex grading designs, teaching engineering courses, supervising and managing the design build of a large wastewater duct and winning employee of the year award in Libya.
In his free time, Wael enjoys volunteering, computers and technology, soccer, gaming, and coffee houses.
Matthew J. Sylvester, EI
Design Engineer
Matthew is a structural designer at Chayah. He provides structural engineering and calculations for a variety of projects. Matthew excels at construction observation and submittal review services, especially for micropile and shoring. He enjoys bridge and custom home design and construction support and is very proficient with design software such as REVIT/Autocad.
Matthew completed his Bachelor of Science in Structural Engineering at the University of California San Diego and graduated with a Project Lead the Way Certified Engineering Program from Marthin Luther King Jr. High School in Riverside, CA. He was very active during his education in leadership, sports, and volunteering.
Some of Matthew’s accomplishments include field engineering for a complex remodel in Cherry Creek, framing inspections for large custom homes, numerous academic awards, being a COSMOS structural engineering Teacher’s Assistant and Leader at UCSD, and supervising a demolition team.
In his free time, Matthew enjoys watching sports, snowboarding, and the outdoors.
Brent Balik, CET
Project Manager/Designer
Brent is a Project Manager/Designer at Chayah. He provides civil engineering and project management for a variety of projects. Brent excels at project planning, civil engineering development designs and managing projects for our clients. He is skilled in Civil 3D, On-Site Wastewater Treatment System engineering as well Stormwater Management Plans. Brent also provides civil and structural construction observations and enjoys working with our clients on the sketch plan phase of projects through construction.
Brent completed his Associate of Applied Science degree, in civil engineering technology in 2001 from Front Range Community College Larimer Campus and has worked in the industry since and enjoys continuing education and completing certifications.
Some of his accomplishments include successfully completing many infrastructure projects, commercial, residential, and recreational projects in Colorado and Wyoming, and volunteering with Front Range Community College Larimer Campus civil engineering technology program advisory board.
In his free time, he enjoys spending time with family and friends, fishing, and hiking.
Engineering Technician
Nathan is an engineering technician at Chayah Consulting Group. He assists technicians and engineers with drafting, modeling, and design of projects. He also performs as-built inspections to determine dimensions of existing construction as well as construction inspections to determine projects are per plan.
He enjoys wakeboarding, hanging out with friends, watching as well as playing sports, and anything outdoors.
Nathan Roman
Cade Henderson
Engineering Technician
Cade is an engineering technician at Chayah Consulting Group. He assists technicians and engineers with drafting, modeling, and design of projects. He also performs as-built inspections to determine dimensions of existing construction as well as construction inspections to determine projects are per plan.
He has intermediate software skills in Excel and Bluebeam. Also is skilled in AutoCAD and Revit. Attending CSU with expected graduation date of December 15, 2023. His interests include biking, lifting, and staying active. Provides himself in being levelheaded and having perseverance.
Office Manager
Cindy is the office manager for Chayah Consulting. Cindy works on receivables, payables, and financial spreadsheets.
Cindy has a bachelor’s degree in Accounting from Doane College in Nebraska. She has a background in hotel management and has worked as an office manager for Shear Engineering for the past 17 years.
Cindy enjoys reading, knitting, playing video games, and playing with grandchildren whenever possible.
Cindy Zielke