Meet Our Team

Our Office Staff

  • Kerwin Mast

    Kerwin Mast is the owner of Mast Roofing & Construction, Inc. He was born and raised in the Oley Valley and being the son of a farmer, he knows full well what hard work looks like. As a boy, he helped around the farm and also worked for neighboring farmers. Read More
  • Corrie Mast

    Corrie Mast wears many hats at Mast Roofing & Construction – when we come up with a title, we’ll let you know! She graduated from Berks Christian School, in Birdsboro, PA, where she met Kerwin at age 15. They were high school sweethearts and after two years at Elizabethtown College, they got married and she transferred to Penn State to finish out her Bachelor’s Degree in Music. Read More
  • Jan Moore

    Jan Moore is the Office Manager here at Mast Roofing & Construction. From taking care of all things HR, to analyzing financial statements, and everything in between, he makes sure the office runs smoothly. Jan grew up in Wyomissing and graduated from Wilson High School. After receiving an Assoc. Degree in Business Administration from Penn State, he spent many years in the banking industry, then a number of years at an HVAC company. He came to Mast Roofing in early 2019 and has quickly become an integral part of the Management Team. Jan enjoys spending time with his family, hunting, and spending time outdoors. He lives in Berks County with his wife and daughter.
  • James Scott

    As the Production Manager, James works with our field crews and clients to make sure each project is scheduled and completed properly. From ordering materials to the final inspection, he is responsible for the whole process. James was raised in Bucks County and graduated from Plumstead Christian Schools. He has worked in the construction/mechanical field for 16 years, starting as an apprentice, then an installer, and now a manager. He has a heart for coaching/mentoring which shows at work as well in his home life. When he's not at work, he enjoys spending time with his wife and 4 sons and coaching soccer.
  • Kerri LoRusso

    From the first call to the completion of a job, Kerri is there to ensure that the entire process goes smoothly. She joined the Mast team as a Client Care Representative (CCR) in early 2018. She grew up in a military family – born in North Carolina, but lived all over the East Coast in her early years. She has been in the customer service/administrative field for her entire professional career and it shows! Read More
  • Noelle Yorgey

    Noelle works part time here at Mast Roofing & Construction as a IT Systems Analyst. She spearheaded our big move to a new Client Management Software in mid-2019 and continues to help develop internal systems to more effectively complete our mission of providing outstanding service to our clients. She graduated from 21st Century Cyber Charter School and is currently working on getting a degree in Organizational Management and Leadership with a concentration in Aviation. In her free time, Noelle enjoys water coloring, theatre, cake decorating, and flying.

Our Field Staff

  • Jason Konnick

    Jason Konnick is a very versatile member of our team – able to get things done wherever he is needed. From Leading crews, running repair calls, advising clients about replacements, and overseeing in-house training, Jason can do it all. He came to Mast Roofing & Construction in 2015 with 16 years of experience in the roofing industry. Read More
  • Shane Petersheim

    Shane Petersheim has been with us at Mast Roofing & Construction for a number of years – at first on and off between semesters at school, and then full-time in 2012 as one of our Roofing Foremen. He is responsible for making sure your roof is installed exactly how you want it, from tear-off to clean-up. Read More
  • Griffin McCoy

    Griffin McCoy is a graduate of Daniel Boone High School and Montgomery County Community College. He has been working with us during the summers and part-time as his school schedule allowed since 2013. He worked with us part-time (as his school schedule allowed), washing trucks and assisting the field crews. Then, in May of 2017, we were pleased to have him here full-time. Read More
  • Kieth McCandless

    Kieth joined the Team here at Mast Roofing and Construction, Inc. in September of 2017 as a member of our installation crew. He came to us with training in the painting and masonry fields, and a desire to learn new skills as a roofer. He has proven himself to be a valuable member of the team – always willing to work hard and do what is asked of him. Read More
  • Forrest Willman

    Forrest graduated from Oley Valley High School in 2018 and works with us part-time while he is going to college for Accounting. He works hard on the Installation Crew to make sure your roof is installed the right way. In his free time, Forrest enjoys playing baseball. Read More
  • Jonathan Wisniewski

    Jonathan joined the Team here at Mast Roofing and Construction, Inc. in 2018 as a member of our installation crew, but quickly moved to the Repair Technician role. His commitment to teamwork and love of people make him a valuable member of our Team. He was born and raised in Nashville, TN and moved to Berks County in his junior year of high school, graduating from Boyertown High. When he's not repairing people's homes, he loves to watch football, listen to music, play any kind of sport and go fishing.
  • Dylan Smith

    Dylan has been on our Installation Crew since August of 2018. He braves the elements each day to be a part of the team that removes and replaces residential roofs. He grew up in Leesport, PA and graduated from Muhlenberg High School. When he's not on a roof, Dylan likes to hunt, fish, shoot, and work on anything that is motorized.
  • Sam Harris

    Sam is a valued member of our Installation Crew. He grew up in the Oley area, was homeschooled, and recently graduated in 2019. While working on his schooling, he worked part time doing carpentry, lawn care, farming, and woodworking. Sam works hard every day to get our clients under a safe, long-lasting roof. In his free time he enjoys hunting, hiking, running, and spending time with his family.
  • Samuel Steinruck

    Samuel grew up in the Oley Valley and works with us part time while he attends high school. He assists the crews, runs for materials, keeps our trucks and warehouse clean, and learns new skills along the way. Outside of work and school, Samuel enjoys hunting, fishing and playing basketball.
  • Mark Alderfer

    Mark grew up in Oley and works with us part time while he homeschools. He currently assists the Installation Crew with roof replacements. When he's not on a roof, Mark enjoys working on old cars and helping on the family farm.