George Ballman

President and CEO

George Ballman is President and CEO of Pella Mid-Atlantic, one of the nation’s largest distributors of Pella windows and doors.

George oversees and sets the strategy for all aspects of sales, operations, customer service, and corporate services at Pella Mid-Atlantic.

Before joining Pella, George served as the President of the Mid-Atlantic region at Kastle Systems, a leading provider of electronic security, access control, and video for commercial office buildings. He was an instrumental player during the 2007 company buy-out of Kastle’s original founder and became a key leader in the successful 12-year growth of the company.

George brings his leadership, to include experience scaling companies, expanding key markets, and building upon prominent brands, to Pella Mid-Atlantic. His passion and primary focus are around investing in and developing the talent of his employees while creating ongoing memorable experiences for his customers. He lives firmly by the philosophy that great employees create great experiences for the customer.

Before Pella and Kastle, Mr. Ballman has worked at companies such as Citigroup and AOL. He also served as an Assistant State’s Attorney in Montgomery County, MD. He is a graduate of the University of Richmond, with a JD from Georgetown Law and an MBA from The Wharton School at the University of Pennsylvania.

Susan Shin

Chief Human Resources Officer

As Pella Mid-Atlantic’s Chief Human Resources Officer, Susan is responsible for establishing and driving the company’s human capital strategy. Susan brings over 25 years of experience in the areas of human resources, operations, and corporate strategy which lends itself to crafting people strategies that are relevant to the day-to-day business. Her role as change agent and culture driver shifts organizations forward to think differently about how to mindfully change actions and behaviors across the workplace.

Prior to Pella Mid-Atlantic, Susan served in various human resources leadership roles for companies such as Kastle Systems, Amazon, and Strayer Education. Her distinguished career also included operational leadership positions for highly regarded organizations including Goldman Sachs, The Walt Disney Company, and Booz Allen Hamilton. Her professional career began in the political arena and eventually served as Deputy Chief of Staff for Senator Edward M. Kennedy.

Susan received her undergraduate degree from the University of Maryland and her MBA from Harvard University, and serves on the Board of the 110 Foundation and the James MacGregor Burns Academy of Leadership. In 2018, she served as the keynote speaker at FBI Headquarters in Washington DC, as well as Quantico Training Academy.

Brad Yourkavitch

Vice President, Sales and Marketing

Brad joined the company in 2007 and has held sales and management positions within the trade and retail segments. Brad started with managing the installation department, which brought him great insight on delivering our key service pillars to customers.

Brad brings more than 25 years of hands-on experience developing processes and employee development programs.

Under Brad’s leadership, Pella Mid-Atlantic earned the Retail Director’s Achievement Award from Pella Corporation. He has also been instrumental in our three Pella President’s Awards for Top Branch in the United States.

Outside of work, Brad enjoys spending time with his family, running and other outdoor activities.

Terry Sheehan

Chief Financial Officer

Terry began his career with the company in 1980 as an accountant. He was promoted to Controller and Corporate Officer in 1987 and became CFO in 1992.

Terry also owned James A. Cassidy Co. of Delaware, which was an affiliated company that manufactured custom wood windows and doors from 1987–1997. He served on the Board of Advisors from 2007–2018.

Terry has been a member of Accelerant, Vistage and Dale Carnegie. He’s active in his parish and the local community of Frederick County, Maryland.

Terry enjoys reading, running and golfing, as well as time outdoors with his wife Tina, children Alyssa, Krista, Erika and Patrick; granddaughter Lucia; and German Shepherds Gus and Ike.

Steve Appleton headshot

Stephen Appleton

Chief Operating Officer

Steve joined Pella Mid-Atlantic in January 2020, and oversees Installations, Warehouse operations, Delivery, Residential/Trade sales support, and Customer Service.

Steve previously served as the President of Paramount Construction Services, a leading national general contractor serving the renovation and construction needs of the apartment industry. Prior to that, Steve held various leadership positions over sixteen years at Marriott International. His experience at Marriott was primarily in the areas of Architecture and Construction, Asset Management, and Distribution Services.

Steve brings with him a philosophy that every employee plays an important role in providing exceptional experiences to the customer.

Steve holds a Bachelor of Science degree in Chemical Engineering from Bucknell University and an MBA in Finance from The Wharton School of the University of Pennsylvania.

David Freeman

Vice President of Marketing

David is a marketing and communications professional with more than 20 years of experience, most specifically in the areas of lead generation, digital marketing, marketing analytics, and brand management. As Pella Mid-Atlantic’s Vice President of Marketing, David is focused on developing marketing and brand strategies for Pella Mid-Atlantic’s core Pella sales segments. He has worked at companies such as Window Nation, University of Maryland Global Campus and Strategic Education. He earned his bachelor’s degree at Binghamton University and his master’s degree in journalism at University of Maryland College Park. In his free time, David enjoys spending time with his family, including his two children Sofia and Jamie, and his two dogs Emmie and Ellie. He also likes to write, coach basketball, and spend time on the Eastern Shore.

John W. Dennis

General Manager, Commercial Operations

John began his career with the company in 1976. John has held several senior management positions with the company, including as Chief Operating Officer over a ten-year span. John brings a deep understanding of the industry and experienced background with Pella to his roles. His years of experience in the trade, retail, commercial and service segments have guided Pella Mid-Atlantic and its ability to fulfill The Pella Promise.

His current responsibilities include Pella Commercial operations and sales support, facilities and real estate buildouts, and our corporate fleet management. John is a licensed commercial and residential building contractor.

John has been a member of the Pella PDSN Core Process Team, Service Advisory Board and several other Pella Advisory Boards.

He and his wife, Jennine, enjoy spending time with their children, Tricia and Billy, and their grandchildren, Hailey Anne and Gavin, especially in the region’s eastern shore and the outdoor activities it offers.

Timothy R. Allen

General Manager, Commercial Sales

Tim started his career with the company in 1994. Tim brings a complete and strong understanding of the PDSN segments, having held senior leadership positions within the retail, trade and commercial divisions. In 2007, Tim was awarded the prestigious PDSN Retail Directors Award.

Tim actively participates with the Pella Advanced Commercial Leadership Team, Baltimore AIA, Washington AIA and the Green Building Council.

Tim is also involved in continuous self-improvement programs such as the Pella Executive Leadership Program, Driver, Predictive Index, Kaizen and several 360 Leadership Skills Training Programs.

Tim and his wife, Traci, live in Burtonsville, Maryland. They have two children, Jordan and Madison.

Bob Waldron

Bob Waldron

General Manager, Trade

Bob joined Pella Mid-Atlantic in June 2018 bringing 39 years of experience in wholesale distribution, big box retail and manufacturing, all within the building products industry. Additionally, Bob spent nearly 20 years as a custom remodeler, specializing in both residential and commercial projects.

Bob’s career has seen him working with builders, suppliers and homeowners from the Mid-Atlantic Region to the Midwest and Northeast, giving him a tremendous knowledge base in the industry. Bob has held diverse roles throughout his career including positions in operations, sales and strategic planning.

Bob holds a bachelor’s degree from the University of Maryland with minors in Business, Electronics and Psychology, a Maryland contractor’s license and a US Coast Guard Captains License. Bob resides in Lake Shore, MD with his wife Jeanette and has two sons. In his free time, he enjoys boating and building projects.


David Lebowitz

General Manager, Eastern Shore

David joined the company in 2009 with 27 years’ experience in the home remodeling business. He began his career with Pella managing retail replacement sales. Over ten years, David built one of the top-performing territories in the Pella system while developing three National Top Gun Award-winning sales representatives.

David thrives on delivering quality products and delivering first-class customer service. He focuses on team development, meeting with customers, and ensuring that the “Pella Promise” is fulfilled.

David is a licensed residential building contractor, making him more effective in delivering a great customer experience and handling the day-to-day operations on the Eastern Shore. David grew up in Pittsburgh, PA, and is a graduate of Indiana University of Pennsylvania with a BA in Marketing. He now resides in Rehoboth Beach, Delaware, where he enjoys spending time at the beach with his wife, his standard poodle, and visits from children and grandchildren.

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