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  • Meet the Team


  • Having Fun is important for our team. When you enjoy the people you work with and the environment you work in, it’s much easier to focus your passion towards serving and improving our customer service and making people smile.


    Ed La Barre

    Plumbing Technician

    Ed is a Master Plumber and has been in the services business for over 33 years including owning his own business. He is also known as Mr. Ed, yes named after the horse of course. He has a beautiful family and strives to improve himself through ongoing education sharpening his skills. He recently moved from northern Wisconsin to the Elkhorn area.

    Keith Nissen

    Owner & Veteran

    Keith is our leader and owner of Master Services. For over 30 years this dedicated Veteran and Master Plumber has serviced the Lake Geneva area offering 100% guarantees that no other company in the area offers. Keith is proud of his team and strives to provide his customers with the very best trained technicians and customer service available in the industry. Keith is also our Master Plumber and holds and HVAC Expert license. He loves to fly and also loves to spend time with his wife Mary, mom Toni, and his favorite dog Dudley.

    Jordan Brown

    GM Operations

    Jordan Brown is the General Manager and Sales Manager for Master Services Plumbing Heating and Cooling. Jordan loves the outdoors and anything to do with water. He has a proven record of developing highly skilled teams that are customer service focused in exceeding customer expectations.

    Serhij Duford


    Serhij is the Operations Manager for Master Services Plumbing, Heating and Cooling. He has a proven track record in leading highly skilled teams with a focus on customer satisfaction. He lives our company core values and delivers on 100% customer satisfaction. He is recently married in the last year and values his family time.

    Eric Nowak


    Eric is a highly skilled and trained technician in plumbing and HVAC. He has over 10 years experience in customer service and leadership. He is a dedicated father and loves fishing and football. He loves to make customers happy and exceed customer expectations. Eric is trained in first aide and CPR certified. Eric is also certified in IAQ.

    Dan Wenger


    Dan is a trained and highly professional plumbing technician with years in the service industry. Dan is certified in first aid and CPR. Dan has a lovely wife and infant baby girl. He looks forward to his family time and rest.

    George Schutte


    George is a highly trained and skilled technician. He is our safety coordinator and trained in first aid and CPR. George is a team and customer Hero who recently saved the life of one of our customers in Home Depot. He is a loving husband and loves to make people smile. George is our wiring expert and is also trained on IAQ.



    Jack is a highly trained HVAC technician and a comfort advisor. He is trained in IAQ and is also certified in first aid and CPR. He is a loving father to a beautiful little girl name Peyton and when he is not working you will find him fishing on the water with his brother Brian.

    Randy Schroyer


    Randy is a skilled and trained HVAC technician and installation helper. He is a superstar and loves to wear his Spiderman outfit to benefit charitable events for children. Randy is certified in first aid and CPR. Randy also loves to tinker with his boat and has a great “radio voice” Randy is also our #1 duct cleaning technician and certified in IAQ.

    Joe Madary


    Joe has 2 children and loves coaching his son in baseball. Joe loves to fish and restore his 1951 Chevy truck. Joe has over 12 years in the service industry and has his HVAC install certification.

    Jeff Roepenack


    Jeff has over 20 years’ experience as a residential HVAC installer and service technician. He prioritizes family time and puts a focus on bringing happiness and success to his home and work family. He believes in building long standing relationships with everyone he meets. He has a lovely wife Shawna and two beautiful daughters.

    Tim Willis


    HVAC installer apprentice with several years of customer service. Tim was a all-conference running back and middle linebacker. Father of two beautiful girls and married to a beautiful wife of 2 years. Tim is looking forward to becoming a master of his trade.

    David Mayerck

    Installation technician

    David served 11 years in the Air Force and 6 deployments with multiple awards. He has been trained in his new career as an installer for HVAC. His goal is to become a Master Lead Installer, travel to all 50 states and loves spending time with his children.

    Gary Perret

    Comfort Advisor – Sales

    Gary has over 10 plus years in customer service and as a Real Estate Broker. He went to school in Wilmot and is looking to buy a home and settle in the Lake Geneva Area.