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 30 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.

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.

Rich Willett Headshot

Rich Willett

General Manager and Vice-President of Sales, Commercial Segment

As General Manager and Vice President of Sales for the Commercial Segment, Rich is responsible for developing and leading the company’s commercial growth strategy.  Rich has over 25 years of experience in the building materials industry.  He has held front line to senior leadership roles in sales, product management, customer service, and technology with industry leaders including USG and ROCKWOOL.

During his time at USG, Rich’s leadership was integral to the establishment and growth of multiple business segments across North America.  He also has a passion for the customer experience and led a transformational, cross-functional initiative leveraging technology and process-improvement to streamline customer interactions.

Rich is originally from Indiana and a graduate of Purdue University.

In his free time, Rich enjoys spending time outdoors with his wife and two sons.

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.

Jeff Tankel Headshot

Jeffrey Tankel

General Manager, Trade Segment

Jeffrey joined Pella Mid Atlantic in January of 2020. He brought a strong background in sales and sales management in the building materials industry most recently working as a regional sales manager for a luxury faucet manufacturer.

Jeffrey is passionate about the “customer experience” and building a cohesive team, two traits that have helped expand Pella Mid Atlantic’s footprint in the DC metro area. His individualized attention to customer’s needs have helped build lasting relationships with our trade partners.

Jeffrey grew up in New York and then attended Tulane University and now resides in Arlington, VA with his wife Megan. In his spare time, he enjoys playing tennis and seeing live music.


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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