Emergency: (262) 253-6613

Meet Our Team

Tim Cummens, PE


EMAIL | 414-303-3872

Tim attended the University of Minnesota- Twin Cities on a track scholarship and received his degree in Civil Engineering. He began working full time for his father’s company after graduating in 1977 and assumed the position of President of Operations in 1994, overseeing growth both organically and through acquisitions. A licensed well driller, pump installer and water operator, Tim also received his Professional Engineer stamp shortly after graduation.

Tom Goethel, PE

Branch Manager

EMAIL |  414-651-8825

Tom attended the University of Wisconsin- Platteville and graduated with his Civil Engineering degree in 1976. Tom began his career as a consulting engineer working 15 years in that sector of the water industry. He is a registered Professional Engineer and has experience in all facets of the water industry- pumphouse design, distribution planning, well construction, and pump design to name a few. Tom joined CTW in 1993 and has been managing the western part of the state out of his hometown of Baraboo.

Andy Stuhr

Branch Manager – Medary Drilling

EMAIL |  262-599-3316

Andrew joined CTW’s residential drilling division Medary Drilling located in La Crosse in 2016 after serving in the Marine Corps from 2006 to 2014 as a Main Battle Tank mechanic. Andrew is proud to be following in his grandfather’s steps as he was one of the founders of Medary Drilling when it opened in 1964. Andrew is married with 5 children.   He enjoys hunting and fishing and being an avid outdoorsman.  

W. Hunter Cummens, PE


EMAIL | 262-352-2082

Hunter is the 3rd generation and is named after his Grandfather & company founder Bill but has gone by his middle name since birth. Following in the previous generation’s footsteps he attended the University of Minnesota – Twin Cities and also graduated with a degree in Civil Engineering. Having gained his experience working in the shop as a youngster, out in the field installing and rebuilding pumps since high school, he now handles the engineering and management side of the business and is extremely familiar with all aspects of pumping water. In 2018 he became co-owner of CTW.

Roger Olson, MA

Senior Technologist

EMAIL |  414-303-3877

Roger joined CTW after graduating in 1977 with both a bachelors and master’s degree from the University of Minnesota- Twin Cities. Roger is the director of technical services for CTW and specializes in pumping control systems. Having the early background of pump installation to pair with his technical expertise, Roger has a phenomenal understanding of how all the components fit together and the communication necessary to make it all work harmoniously.

Troy Simonar

Vice President/Secretary

EMAIL | 920-366-9950

Troy joined CTW in 2012 as a Branch Manager overseeing the Northeastern part of the state and upper Michigan from our Green Bay location. He began his career working for a residential driller after earning his degree in Environmental Science from the University of Wisconsin – Green Bay. Troy is a licensed Pump Installer and Well Driller in Wisconsin & Michigan and has more than 25 years’ experience in water well design and installation. In 2019 he became co-owner of CTW.  

Sarah Nunn, PE

Operations Manager

EMAIL |  414-308-0024

Sarah joined CTW in July 2018 and serves as the Operations Manager from our Lannon, WI office.  Prior to joining CTW, she worked for 12 years as a professional engineer consulting with municipal and private clients on a wide variety of water system projects including: water towers, reservoirs, wells and well stations, treatment facilities and distribution.  Sarah holds licenses as a water system operator, wastewater system operator, and pump installer in Wisconsin and is a licensed professional engineer in Wisconsin and Michigan. 

Lannon, Wisconsin

21500 W Good Hope Rd
Lannon, WI  53046
Phone: (262) 253-6613

Baraboo, Wisconsin

P.O. Box 394
Baraboo, WI 53913-0394
Phone: (414) 651-8825

Eau Claire, Wisconsin

E 18871 Adolph Road
Augusta, WI 54722
Phone: (262) 352-2082

Green Bay, Wisconsin

3390 Old Military Road

De Pere, WI 54115

Phone: (920) 366-9950

LACROSSE, Wisconsin

624 Amy Drive
Holmen, WI 54636
Phone: (608) 526-9345