The JMJ Family

Management Team

Jim Seebruck, President & Senior Project Manager

Jim has almost 45 years’ experience in construction.  Having started his career in the electric shop at a VA hospital, Jim has gone on to work in both residential and commercial construction.  He developed his skills and gained expertise in the industry working as laborer, carpenter, foreman, superintendent, project manager, and business owner.  Jim was inspired to start JMJ Construction Company in order to give his workforce a place to work that was dependable, trustworthy and long-lasting.   

He is a highly-skilled and respected tradesman and leader. However, what Jim is most proud of is his family.  Jim and his wife Marianne raised their four children in Necedah, Wisconsin and now take every opportunity to travel near and far to time with their kids and nine grandchildren.   

Bridgette Wiggins, Vice President


With nearly twenty years of experience in the construction industry, Bridgette’s previous roles have given her the knowledge needed to fulfill her current role as Vice President of JMJ.  She has worked in various positions from office management and administrative assistance to providing job-specific support to a team of project managers.  Bridgette also serves on JMJ’s board of directors and is part owner of the company.  She has a Bachelor’s Degree and has completed training in quality control, project management, OSHA, CPR and first aid.  

Bridgette is married to Charlie and together they have 3 young children.  She enjoys spending time at Charlie’s live music performances, camping, hiking, and going to family gatherings. 

Marianne Seebruck, Owner

Marianne developed her knowledge of the industry through her work in various construction offices over the years.  She has expertise in a multitude of categories from human resources and payroll to contracts and submittals.  For many years, Marianne worked alongside her husband, Jim, as an Assistant Project Manager.  Their symbiotic relationship makes the two of them a strong and mighty force.  Confidence in one another’s skills and knowledge made the decision to start JMJ an easy one.   

Currently, Marianne is an owner of JMJ and serves on the board of directors, providing guidance for the company’s operations.  She spends the rest of her days with her children and grandchildren and wondering how she ever had time to work in an office 

Lukas Manning,
Project Manager

Lukas has 20 years’ experience in the construction industry. He has been a laborer, carpenter, foreman, and superintendent, and is now JMJ’s project manager and estimator. Lukas’s strengths are his in-depth knowledge of field work, construction process, and cost management.

Dan Berry,
Project Manager

Dan Berry has 36 years of project management experience. He will use his experience and extensive knowledge to support Jim and the JMJ team to ensure the project run smoothly from start to finish.

Office Team

Laura Fenn-White,
Project Assistant

Laura has 5 years of experience in the construction industry, and she finds the bidding process the most enjoyable part of her job. Previous experience as an Assistant Project Manager has given Laura the foundation of knowledge to succeed. 

Laura joined JMJ in the early stages of company development because of the admiration and confidence she has in owners Jim and Bridgette. Their desire to put employees first and confidence in their team is an exciting atmosphere to work within and Laura is excited to have had the opportunity to join early.

As a wife and mother of three, Laura enjoys spending her free time with her family, especially experiencing the outdoors with them. She also keeps herself busy scrapbooking when the opportunity arises.

Cyndi Palmer,


Kate Smith,

Field and Warehouse

Joe Berry,
Field Employee

Joe has 18 years of construction experience. He enjoys the responsibility and accountability that comes with working in the construction industry. Joe is  a forklift operator, and he has completed Supervisory and Finish Carpentry degrees. 

Joe and his wife, Maggie, reside in New Lisbon, WI with their daughters Harper and Eva. When not on the construction site, he enjoys hunting, trapping, and hiking.


John Buttner,
Field Employee

John brings 42 years of experience to the JMJ team. John has 20 years of carpentry experience, and enjoys carpentry work above other tasks. His experience also includes working for Wisconsin Products and Mauston Sign Service.

John joined the JMJ team for the great opportunity and the people he works with on a daily basis.

John currently lives in Mauston with his wife Pamela. He enjoys spending his free time playing guitar, reading books and spending time with his grandchildren.


Jonathan Christian,
Field Employee

Jonathan has 5 years’ experience in the construction industry. Previously, he was involved with security system installations. Jonathan joined JMJ for many reasons and enjoys the opportunity each day brings. 

Originally from California, life has lead to a home in Wisconsin with his wife, Stephanie, sons, Ezra and Ellis and daughter, Adeline. When not at work, Jonathan enjoys spending time with his family, computers, and gaming.

Tim Darnell,
Field Employee

Tim has 19 years’ experience in the construction industry. Prior to joining JMJ, he was involved in custom house building. Roofing, concrete, and exterior improvements top Tim’s list of favorite tasks. He has additional training with the OSHA 10 program and first aid training. Tim is also a certified shingle installer and trained in the operation of multiple styles of lifting equipment.

Tim joined JMJ with the desire to gain experience in the industrial
and government construction market. He lives in Necedah and has a five year-old daughter, a black lab and a wonderful girlfriend he hopes to make part of his family!

Abdon Diaz,
Field Employee

Aaron Reichel,
Field Employee

Aaron has 20 years’ experience in the construction industry. He particularly enjoys carpentry work.

Based in New Lisbon, Aaron enjoys spending time with wife Sheri and two children, Tylor and Sheridan. Hunting and fishing round out his free time and keep him busy while not on the job.


Dale Swinehart,
Field Employee

Dale has 37 years’ experience in building. He has home-building experience, including roofing, siding, decks, trim work, and home additions. His past commercial experience includes work on clinics and motels. Dale has a variety of  additional education and training.
The desire to work with Jim once again was one reason Dale joined the JMJ team. He was also interested in the opportunity to experience different construction options and learn new things.

Dale’s home is in Necedah. He enjoys hunting, fishing and riding ATVs. In his free time, Dale can also be found volunteering and completing charity work as he enjoys assisting others.  

David Swinehart,
Field Employee

Jeremiah Teumer ,
Field Employee

Richard Van Hoof,
Field Employee

Richard has 20  years of experience in roofing, and has owned his own roofing company. In addition to roofing, Richard enjoys the demolition portion of projects. He joined JMJ through contacts and previous co-workers who were already team members.

While off the clock, Richard enjoys spending time with his wife, Nikki, and children, Cody, Rebecca, and Jacob. Being outside fishing, boating, and hunting are also favorite pastimes for Richard and keep him busy with friends and family.

Mike Williams,
Field Employee

Michael adds twenty-three years of experience to the JMJ team. He was self employed in the construction industry for ten years. Michael also has experience building zero lot line duplexes and pole sheds. He most enjoys completing rough and finish carpentry. Michael is OSAH 10 and OSHA 30 certified and has completed CPR training. 

Michael was excited to join JMJ as a young company to help the company grown and be a part of a great future. He enjoys life with his wife, two children and three grandchildren. When they aren’t keeping him busy, he can be found fishing, playing sports, and enjoying video games.