Discover Our Experts

Meet Our Team

Learn more about the dedicated professionals who bring expertise, passion, and innovation to every project we undertake. Our team is comprised of industry leaders and creative thinkers who collaborate to turn visions into reality.

Our friendly and dedicated approach

educated and experienced team members

Cissell Mueller Construction Inc. has the strengths of a large organization yet remains approachably accessible, proactively nimble, and consistently delivers beautiful products with exceptional service. CMCI’s friendly, yet dedicated approach aligns educated and experienced team members, who are committed to our mission, to focus on construction excellence, to drive communities forward while delivering a superior product that is based on total transparency and effective communication.

These features allow us to focus on our bread-and-butter industries, such as Student Housing, Cannabis, Senior Living, Banks, Manufacturing, Churches, Medical Facilities, National Restaurants, and Retail Chains. We are growing as we continue to build project portfolios throughout the Midwest and nationwide.

Robert D Cissell

Robert D Cissell 

Executive Vice President

Robert D Cissell

Mr. Cissell graduated from the University of Missouri St. Louis with a bachelor's degree in Accounting. He formed Cissell Mueller Construction, Inc. and Cissell Mueller Company, L.L.C. with Duane Mueller. As a managing member of the company, Mr. Cissell has guided the brokerage business from a small bedroom office into a respectable multi-million dollar firm focusing primarily on retail, medical, and industrial brokerage developments. He oversees all of the licensed real estate brokers that work for Cissell Mueller. He reviews and negotiates all real estate contracts and tenant leases and assists clients in site selection and purchase of ground for build-to-suit developments. Mr. Cissell is a Licensed Real Estate Broker in Missouri, is CCIM certified, and sits on the board at Cardinal Glennon Development, Emmaus Homes Properties, and Boys & Girls Club.

Duane Miller

Duane A Mueller

Chief Executive Officer

Duane A Mueller

Mr. Mueller graduated from the University of Missouri at St. Louis with a Bachelor of Science in Public Administration with an emphasis in Economics. In 1992, Mr. Mueller, a former journeyman carpenter, formed Cissell Mueller Construction, Inc. with Robert Cissell. As C.E.O. of the corporation for the past 30 years, Mr. Mueller has guided the construction business from humble beginnings into a respectable national firm focusing primarily on retail, medical, industrial, and manufacturing construction projects in the 38 states where the company is licensed as a general contractor. The combined operations employ 54 full-time professionals with transaction volumes exceeding $100,000,000.00 annually.

David J Mueller

David J Mueller

President

David J Mueller

Dave Mueller is the President of CMCI. He brings twenty-five years of professional experience in commercial building. Skilled in managing people and projects from large to small, valuable experience in this industry, allowing keen insights to help our customers achieve their goals. Knowledgeable in all areas of preconstruction and construction of industrial, healthcare, as well as commercial and retail projects. Well-respected in the construction industry with an outstanding ability to help clients build their dreams and futures on budget and on time.

Gregg Sparks

Gregg L Sparks

Vice President

Gregg L Sparks

30-year design/construction career culminating with 4 years of civil design experience and 4 years of project engineer/construction field experience. As our vice president, Gregg is respected in the construction industry and has an outstanding ability to oversee preconstruction efforts and construction activities for multiple projects. Skilled in estimating and managing small to large dollar construction projects from conceptual programming to preconstruction to construction and then to facilities start-up.

Morgan Stearn

Morgan Stearn

Human Resources Officer

Morgan Stearn

Morgan Stearn, MR Manager and Project Administrator, graduated from the University of Missouri, Columbia, with a bachelor’s degree in Human Environmental Sciences. After working for almost 4 years for St. Charles County’s Parents as Teachers Program, Morgan made the move over to Cissell Mueller as a Project Administrator. Over her early years with the company, Morgan implemented strategies and technology that have allowed the company to grow through a team project management approach and is now overseeing a team of Project Administrators.

Jean Dillingham

Jean Dillingham

Controller

Jean Dillingham

Jean oversees this high-performing construction management team’s financials. She is a strong communicator and skilled financial analyst and has streamlined our payroll and financial reporting processes. Her experience in construction accounting has improved our operational efficiency and aided in our continued growth.

Mary Johnson

Mary Johnson

Accounts Payable Clerk

Mary Johnson

Mary assists the Controller in managing cash flow and paying vendors and suppliers. She will process, track, and record payments in an accurate, efficient, and timely manner. She has had a daily, ongoing impact on financial transactions, keeping us on track, on time, and on good terms with our valued subcontractors and suppliers.

Darren Hoffman

Darren Hoffman

Program Manager, NGFS

Darren Hoffman

An experienced construction leader with 30+ years in supervision, management, and project development, specializing in commercial and industrial projects. Expertise includes site development, concrete production, and CNG, LNG, and hydrogen infrastructure, with a recent focus on alternative energy projects. Demonstrated success in leading construction and expansion across various sectors, ensuring efficient project execution.

Caleb White

Caleb White

Estimator, NGFS

Caleb White

With an impressive background in the renewable energy sector, Caleb boasts three years of hands-on expertise in the construction of solar power plants, contributing to the development of approximately 55 megawatts of clean energy. His commitment to sustainable practices extends to a two-year proficiency in estimating commercial and industrial construction projects, showcasing a comprehensive understanding of the intricate details involved in executing large-scale initiatives. Caleb combines technical acumen with a passion for environmental responsibility, making significant strides in the renewable energy and construction sectors. 

Gregg Garrison

Gregg Garrison

Program Manager, Fueling Division

Gregg Garrison

My 27-year construction career has been highlighted by rapid advancement and consistent achievements in the construction industry. Skilled in managing small to large-dollar construction projects. Knowledgeable in all areas of preconstruction, engineering, and construction. Areas of strength include structural & civil systems, MEP, and building management systems—the ability to identify and implement strategies to improve and streamline construction activities. Well respected by subcontractors and has an outstanding ability to oversee preconstruction efforts and construction activities for multiple projects.

Bob Zeik

Bob Zeik

Project Manager

Bob Zeik

Bob began his career in construction in carpentry, graduating as one of the top three of 1,500 carpenters from the CJAP program. Currently serving as a Project Manager with 20+ years’ experience in the commercial construction industry, Bob has managed multimillion-dollar projects from start to finish, with client satisfaction as his #1 priority. He establishes positive, professional relationships with customers, resulting in additional project requests frequently. Strengths include project estimation, agreement negotiations, management of multiple projects at a time, field manpower coordination, and top-tier quality control.

Dan Bargen

Dan Bargen

Project Manager

Dan Bargen

A 16-year professional career that begins in the role of architectural and project design development and management. Construction management of projects from concept through design, construction, and start-up. Manages small to +$30M projects in areas of retail, commercial, restaurant, residential, multi-family, healthcare, and industrial projects. Strengths in managing design and development to fit owners’ needs and budgets with emphasis on scheduling and quality in execution. Established professional in the local construction market and works well in developing out-of-town subcontractor relationships for current and future project needs.

Jack Mueller

Jack Mueller

Project Manager

Jack Mueller

Purdue educated multidisciplinary engineer, with 5 years of project management experience, employing a strong strategic and analytical skillset. Experienced in the global EPFC market, having completed tens of millions in projects coordinating teams in Thailand, Poland, Brazil, and Chile. Permitted and oversaw the shipping of 500+ sea-going containers. 7 years of construction labor experience. HSKIV-certified fluency in Mandarin Chinese. Competent vision and oversight of internal workflows and mission crafting.

Jacob Mueller

Jacob M Mueller

Estimator

Jacob M Mueller

A twenty-year career in construction, advancing from laborer to project estimator. Hands-on experience working in the field has carried over to estimating and helping dial in project budgets. Knowledgeable in retail store construction and site work. Building over 85 Dollar General Stores in three states has allowed for a well-defined schedule and process to maximize profit and efficiency.

Ryan Fennewald

Ryan Fennewald

Project Engineer

Ryan Fennewald

Construction professional with over 8 years of diverse experience and roles from Building Envelope Consultant, Quality Manager, and Project Engineer. Experience in coordinating and directing multi-million dollar projects from design to completion. Ability to coordinate trades, build partnerships, and work collaboratively with architects, engineers, and subcontractors to complete projects on time and within budget. Quality of strengths include understanding building materials, roofing, and building envelope systems such as curtain walls, weather barriers, and claddings. 

Shilo Bloch

Shilo Bloch

Project Engineer

Shilo Bloch

Shilo holds a Bachelor’s of Science in Civil Engineering from Ariel Univesity. He has early experience in managing the civil engineering and construction of 1-40 Million dollar projects, including bridge, utility, and street development. He currently works in our Scrubbles Car Wash project program, coordinating subcontractor work, managing the project budget, issuing subcontract and change orders, and submittal review. 

Jaden Courtois

Jaden Courtois

Project Engineer

Jaden Courtois

Jaden’s role as project engineer's role encompasses a range of critical responsibilities, such as close collaboration with the project manager and superintendent to meticulously track project construction schedules, submittals, and change orders. He works closely with the estimator to solicit, obtain, and review subcontractor bids to create competitive budgets. 

Steven Beckmann

Steven Beckmann

Project Administrator

Steven Beckmann

Steve recently joined our team after a 19-year career as a communications officer for the St. Ann and Wentzville police departments. He now plays a critical role in our renewable energy division’s project management team, NGFS. He is responsible for coordinating project permits, licenses, invoices, and insurance certificates and tracking preliminary wage documentation. 

Amanda Allen

Amanda Allen

Project Administrator

Amanda Allen

Amanda Allen attended Missouri State University. Her responsibilities as Project Administrator include administrative duties for multiple project managers, including permitting, invoicing, issuance of subcontracts and change orders, and keeping the Procore project management software up to date with all project documents and forms. 

Charis Meurer

Charis Meurer

Project Administrator

Charis Meurer

Charis, a recent graduate from Capella University with a bachelor’s degree in Business Administration, has a background as a facilities coordinator for an electrical firm. Charis coordinates project permits, invoices, licenses, and reports for multiple project managers. 

Laura Glacken

Laura Glacken

Project Administrator, Receptionist

Laura Glacken

Laura is the face of our corporate office as our receptionist. She is responsible for all incoming calls and office organization. In her administrative role, she assists a team of project managers, estimators, and engineers at CMCI in managing several commercial projects.

A. Garrison Headshot

Amanda Garrison

Project Administrator

Amanda Garrison

Amanda works in our fueling division coordinating permits, subcontractor invoices, budget reporting, licensing, and data entry into both our Procore project management software and the owner’s Project Mates project management software. 

Jacques C Klos

Jacques C Klos

Project Manager

Jacques C Klos

37 years of industry experience in residential, commercial, medical, retail, alternative fueling, financial institutions and restaurants. Knowledgeable in all aspects of construction including design, civil engineerings, construction, and close-out. Excels in creating solutions to keep budgets down and creating successful relationships with subcontractors.

Our Supers

Built With integrity

Chuck Southerland (2)

Charles W Southerland

Superintendent

Charles W Southerland

Responsible for job layout, coordination of subcontractors; scheduling work for employees; ordering material and equipment for project and field quality control, and ensuring a safe workplace that met all OSHA requirements while remaining on schedule and on budget. Worked under the supervision of Wayne Orf, our 45-year construction veteran. Chuck’s recent projects include the Swade dispensary in Delmar and BeLeaf’s Cannabis Cultivation Facility in St. Louis.

Brian Orf (2)

Brian M Orf

Superintendent

Brian M Orf

Over 20 years of construction experience as a Union Laborer and 15 years of superintendent experience. My initial career experience was as a Safety Coordinator for a plastics manufacturing plant. With this experience, Brian has excelled at maintaining a safe job site.

Briar S Hoffman

Briar S Hoffman

General Superintendent

Briar S Hoffman

Graduate of the University of Central Missouri with a Bachelors in General Studies with a minor in Aviation. Trained superintendent in our natural energy infrastructure division. Certificates in Swagelock fitting installation/inspection, Parker Seal-Loc CNG Flanging Equipment & OSHA 30 with Zero recordable OSHA incidents. Oversees the Supervision of all projects in our NGFS division.

Bryndyn Shipquist

Bryndyn Shipquist

Superintendent

Bryndyn Shipquist

New to the company and a graduate of The University of Antelope Valley. Bryndyn comes to Cissell Mueller with a background in landscaping, irrigation, and operations. Always eager to learn and highly motivated. His areas of strength are safety, attention to detail, relationships, time management, communication, and reliability.

Craig Glacken

Craig Glacken

Superintendent

Craig Glacken

An ongoing goal of mine is to be recognized as someone who made a difference as a project superintendent in a positive way. I hope I get to achieve that on every job I manage.” Graduate of West County Technical School, Journeyman Cement Mason Local 527. Trained in geotechnical monitoring using total stations and laser scanners for shooting grade, staking out, layout, etc. Class A CDL with air brakes for moving heavy equipment, and OSHA 30 hr certified with zero incidents.

Jeff Buenemann

Jeff Bueneman

Superintendent

Jeff Bueneman

A valued member of the CMCI team with 15 years of experience as a construction superintendent. Jeff’s diverse skillset and knowledge ensure the work on any project will be completed with quality materials and construction practices. His project experience includes school buildings, renovations, and additions. As superintendent, he excels at managing subcontractor and manpower performance and ensures that the work is performed in a safe manner. 

Jim Cooke

Jim Cooke

Superintendent, NGFS

Jim Cooke

11 years of mechanical experience as a trained professional in the installation and service of Compressed Natural Gas stations. Trained and certified in both Parker Parflange ECO25 flanging equipment and Swagelok Orbital Welding equipment.

Kevin_Orf

Kevin Orf

Superintendent

Kevin Orf

More than 10 years in construction supervision, including accurate takeoffs, estimating, contracting, purchasing, safety, and invoicing. Experience in full on-site construction management; effectively schedule, monitor, and inspect all work from start to customer orientation. Work effectively with architects, engineers, developers, bankers, contractors, inspectors, city officials & OSHA Inspections.

Michael Gantt (2)

Michael Gantt

Superintendent

Michael Gantt

Michael is a superintendent in our fuel station division. His areas of strength include Integrity, attention to detail, punctuality, attendance, communication, work habits, and attitude. 

Paul Groat

Paul Groat

Superintendent

Paul Groat

Experienced civil engineer with 2 years of supervision experience. Responsible for all field activities, including scheduling, phasing, safety, and quality control. Delivers satisfaction to owners and user groups while controlling costs and managing budgets.

TJ Bueneman

TJ Bueneman

Superintendent

TJ Bueneman

An experienced carpenter by trade, TJ focuses on the quality of all his work and the work of the subcontractors he oversees in his role as Superintendent. 

Zack Dowell

Zack Dowell

Superintendent

Zack Dowell

As superintendent, I review blueprints, permits, and specs to ensure the project gets completed in a timely and accurate manner. I enjoy starting projects from the ground up with their unique challenges. I’ve been in the construction industry for 11 years. I enjoy going through the construction process with my trades to see the project changing daily until it reaches completion.

Jim Delveccio

Jim Delveccio

Superintendent

Jim Delveccio

Kenny-Super-Sized

Kernice Williams

Superintendent

Joe Carroll

Accomplished construction professional with completion of project management program and imminent PMP Certification. Bringing 18+ years of progressive career experience and a portfolio of multi-million-dollar project achievements. Proven leader with expertise in all phases of commercial and industrial construction. History of excelling at defining and aligning objectives, developing, and adhering to budgetary confines and regulatory compliance.

Sean Ferrer

Sean Ferrer

Superintendent

Sean Ferrer

I am a Penn State Graduate with 2 bachelor’s degrees, a minor in advanced chemistry and a minor in molecular biology. My background in construction is painting and drywall finishing. I have an extreme eye for detail, dependable, hardworking and loyal. I strive for excellence in my career and life.