Join the JMAC Ventures Team

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Dick Stap - Dick founded Stap Brothers in 1972. As of 2013, Dick is now semi-retired. Dave Stap- Dave started a landscape management business in 1976. Dave Stap is also now retired.
John Kreuzer - John has worked in the landscape industry for over 30 years. He has a BS in Environmental Science from Western Michigan University. John oversees all sales and is responsible for the landscape construction portion of the company. Tom O'Malley - Tom has been with the company since 1986. He has an Ornamental Horticulture degree from Ferris State University. He also earned certification as a turfgrass professional from the University of Georgia and is a State Certified Lawn Applicator. Tom oversees the landscape management portion of the company. John and Michelle Wiebenga purchased the company in October of 2015. John has 30 years of business development experience. John has 15 years experience in the Landscape field and looks forward to working with existing Stap Brothers customers. Michelle Wiebenga - Michelle is the better half of John Wiebenga and has 30 plus years in the green industry. Michelle has worked in the green house industry for the last 30 years and looks forward to working with the annual color installations. We look forward to working with you soon.