Minal Hahm, PE, CFM

Principal Engineer

Minal Hahm is one of the founders of M Squared Engineering (M²) and has civil engineering experience in transportation engineering, hydrologic and hydraulic analysis, stormwater management design, recreational facilities design, residential, commercial and industrial land development, agency permitting, and public works design in both Wisconsin and Illinois. She is a Certified Floodplain Manager (CFM), with a strong understanding of local, as well as, federal requirements as they relate to stormwater projects. Minal serves on WAFSCM and has served as a judge and finals judge for the Future City Competition in Milwaukee for the past 16 years.

V Card: Minal Hahm

Matthew Hahm, PE

Principal Engineer

Matt Hahm, the other half of M Squared Engineering, has experience in municipal engineering, transportation engineering, hydrologic and hydraulic analysis, stormwater management design, dam analysis and inspection, treatment plant maintenance, residential, commercial and industrial land development and agency permitting. Matt has worked extensively with numerous municipalities such as the Village of Grafton, Town of Cedarburg, City of Cedarburg, and the City of New Berlin. His professional relationship, personality, and ethical standards have helped gain additional clients. Matt enjoys riding his Ultra Classic Harley Davidson through the country roads on his “days off”.

Email MATT
V Card: Matthew Hahm

David Bachhuber, PE

Project Manager – Senior Transportation Engineer

Dave graduated from Marquette University in 2005 with a BSCE.  His over 11 years of experience in transportation design on the east coast will be a great added value to our clients and projects.  While in Virginia, he worked for AECOM as a Project Manager and Senior Transportation Engineer.  He was responsible for significant number of infrastructure projects including urban and rural roadway and highway projects, utility projects, rail and port terminal projects, drainage and stormwater management projects and construction administration, inspection and management.  In addition to state transportation agency experience, he brings experience with a significant number of municipalities, Naval Facilities Engineering Command (NAVFAC), the US Army Corps of Engineers, FHWA, and private developers.  His extensive array of experience will help serve our various clients throughout Wisconsin, Illinois, and Minnesota.  We are excited to have him on our team and he is excited to be back home in Wisconsin, closer to his family.


Eric Sattler, PE

Eric has engineering and construction inspection experience on a variety of engineering related projects. His experience includes construction inspection, quality assurance, surveying, erosion control, and inspection for MI and WI Dot’s as well as the IL Tollway. Eric recently worked on the WisDOT STH 158 project and is working on the IL Tollway (I-14-4645) Elgin O’Hare Western Access, EOWA Extension from Lively Blvd to York Road as a Construction Inspector.

Email ERIC

Tony Gromacki, RLS

Project Surveyor

Tony Gromacki, a Registered Land Surveyor, and has experience in land surveying, R/W plats, construction staking, as-built drawings, boundary and topographical surveys, ALTA/ACSM surveys, plat preparation, and Certified Survey Maps. Tony also provides transportation construction inspection. When you can get him away from his total station, he likes to go hunting and fishing, as well as spending time with his family.

Email TONY
V Card: Tony Gromacki

Peggy Stucky, EIT

Engineer / WisDOT Construction Leader

Peggy has civil engineering and construction management experience on a variety of engineering projects. Her experience includes construction inspection and management, quality assurance, surveying, erosion control, and sewer and water main design and inspection. She recently worked on the WisDOT STH 158 project as the Construction Leader.


Diane Doll, EIT

Civil Engineer

Diane recently graduated from University of Wisconsin, Milwaukee in 2014.  She brings her passion for water resources and engineering.  Currently, she enjoys working on various projects including General Mitchell International Airport (GMIA)’s Airport Layout Plan, Mile-Long-Bridge Tri-State Tollway, and Baudette Rail Facility.  In addition, she provides field support for survey, staking, and construction inspection.


Print Friendly