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Meet the People of Immel Construction

An Atmosphere of Teamwork

Immel Construction strives to create an atmosphere of teamwork and cooperation among all parties involved in a project. We believe in making design and construction a positive experience. We also believe that all parties involved in a project must know exactly what they need to do and when they must do it.


Paul Martzke_Website

Paul Martzke, AIA, LEED AP, President

With more than 25 years' experience in the industry, Paul has built a diverse portfolio of projects. As President of Immel Construction, he continues to remain hands on throughout each department. His responsibilities include oversight of the company operations including business development, estimating, project management, public relations, and marketing. Paul is a licensed Architect in Wisconsin and is incredibly active in the community from serving on the Board of Directors for AGC Wisconsin to being a member of the Rotary Club of Green Bay. Paul enjoys all things winter and never misses a chance to go snowmobiling and ice fishing with his family.


Alex Santos_Website1

Alex Santos,
LEED AP, Executive Vice President

Alex brings over 30 years of experience to Immel Construction’s leadership team. Through his background in project management, Alex has years of experience working on large-scale projects in the retail, education, healthcare, municipal, and commercial industries.  Alex directs and has full oversight of our project management teams along with overall administrative and technical management on construction projects from the pre-construction phase through final acceptance by the client.  He excels in project scheduling, quality control, and securing on-time completion of our work. Alex is an avid golfer and even coaches a local high school girls’ golf team.


Steve Hucek_Website

Steve Hucek, Vice President, Estimating

Steve has been with Immel Construction for over 15 years and has nearly 30 years of industry experience. He has vast knowledge in the estimating process on multi-million dollar projects in the retail, education, healthcare, municipal, and commercial sectors.  His efforts directing our estimating team will ensure that the scope of work for every project is clearly defined and within budget, providing our clients with multiple cost options to adhere to their unique needs. Steve enjoys time spent with his daughter on his boat, fishing in Green Bay and on Lake Michigan.


Brian Wetzel_Website

Brian Wetzel, Vice President, Operations

Brian's background includes over 15 years of experience in risk management and compliance, 10 of which have been spent with Immel Construction. In his role as Vice President, Operations, his primary responsibilities include ensuring Immel Construction’s efforts in safety and worker compliance are being completed to the company’s high standards, our client’s satisfaction, and the requirements of regulatory agencies. Brian loves spending time outdoors from camping with his family to hunting and fishing.

Randy Riutta_website

Randy Riutta, General Superintendent

Randy has over 30 years of construction experience and excels at leading our efforts on the jobsites of our commercial, education, healthcare, municipal, and hospitality projects. He has a broad base of experience across these markets and provides valuable knowledge during the day-to-day site activities. Randy provides management and coordination of the field operations including supervision and placement of field personnel, materials and equipment. When not spending his days constructing his own homes (he is on home #4!), Randy enjoys the outdoors hunting and playing guitar in local bands. 

Jim Kobe_website

Jim Kobe, General Superintendent - Retail

As our retail expert, Jim leads our field operations on all our retail projects. Jim touts over two decades of experience leading projects for some of the nation's largest retailers. Traveling to our projects across the Midwest, Jim will manage and coordinate Immel's retail personnel, materials and equipment for these multi-million dollar projects. Jim has extensive knowledge in new store, remodel, and roll-out projects execution in multi-state operations, having worked in 44 of our 50 states. Jim, his wife, and son enjoy running their 150-acre farm along with hunting and fishing. 

Ali Court_website

Ali Court, CPA, Controller

With over a decade in the industry, Ali brings extensive experience to our team. She is responsible for all the financial management of the company and works closely with our leadership team to establish the company’ financial objectives. Ali is responsible for the financial planning, management of financial risks, record-keeping, financial reporting, and analysis of data to make financial predictions for the company. Outside of work, you can see Ali swinging her golf clubs on the course and spending time with her family. 

Tonia Gibeault_website

Tonia Gibeault, PHR, SHRM-CP, Director of Human Resources

Tonia, Immel Construction's Director of Human Resources, has an impressive 20 years in the industry. Her skills include training and leadership development, strategic planning, performance management, organizational development, benefits, and recruitment. Tonia’s focus is geared toward long-term business strategy and financial results at Immel Construction by planning, leading, developing, and coordinating policies and activities related to Human Resources. Tonia enjoys kayaking, gardening, and time spent outdoors with her husband and kids.