A Day in the Life with Mark Hofer
Mark Hofer, Master Plumber
As a Master Plumber at Lee Mechanical, Mark Hofer brings years of expertise and precision to every project. From large-scale commercial installations to complex troubleshooting, he ensures that plumbing systems run reliably and efficiently. Mark enjoys the balance of hands-on problem-solving and mentoring others in the trade, helping to shape the next generation of plumbers.
"Every project is a chance to solve problems and pass on knowledge — that’s what makes the job rewarding."
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Day in the Life
Sam Sinclair
Second-Year Plumbing Apprentice
Sam Sinclair is a plumbing apprentice at Lee Mechanical, proudly represented by Union Local 75, who brings pride, energy, and a strong sense of purpose to the trade. As a first-generation tradesperson, Sam found a passion for plumbing quickly and now works on new construction and building additions, including a new museum project in Milwaukee. Sam values the chance to keep learning on the job while being part of a team that supports growth every day.
Brittany Campos
Senior Project Manager
Brittany Campos is a Senior Project Manager at Lee Mechanical who brings 13 years of industry experience to complex healthcare projects. She thrives on the variety that comes with balancing project priorities, supporting teams, and helping plans come to life in the field. Brittany values Lee's collaborative culture and the opportunity to keep growing into larger roles and projects.
Shelbie Tobias
HVAC Senior Estimator
Shelbie Tobias is an HVAC Senior Estimator at Lee Mechanical, where she helps build accurate bids for projects ranging from schools and hospitals to warehouses and other commercial facilities. By reviewing plans, specifications, and estimating details, she helps set projects up for success before work begins in the field. Shelbie enjoys the constant learning that comes with an evolving industry and values Lee's inclusive, growth-oriented culture.











