Master Mechanical Insulation People:
MaryJo Pethke
President
MJPethke@MasterMechInsulation.com
Mary Jo founded the company in 1990 and has 18 years experience in the industry.
Jeff Pethke
Vice-President
jpethke@MasterMechInsulation.com
Jeff has been with Master Mechanical Insulation since June of 1990. Prior to MMI he spent 21 years with Johns Manville Detroit Contracting Unit starting as superintendent and ending out as the unit manager.
Gerard Kulka
Estimating Manager
GKulka@MasterMechInsulation.com
Gerard has been with the company for 13 years with 30 years experience in the industry.
Jeff T. Stout
Safety Manager / Estimator
JTStout@MasterMechInsulation.com
Jeff has been with the company for 4 years with 25 years experience in the industry.
Justin Pethke
Construction Manager
JMPethke@MasterMechInsulation.com
Justin is a recent graduate of Western Michigan University and joined the company in 2005.
William Dupart
Material Manager
Bill has been with the company for 18 years with 22 years in the industry.
Robin Dillon
Office Manager
RDillon@MasterMechInsulation.com
Robin has been with the company since 1999.
William Beaumont Hospital
