Architectural Precast & Cast Stone
Our Staff

Our Staff

Greg Hamann

Greg Hamann, CEO & Owner

Greg brings over 14 years of construction management, sales, estimating and masonry trades to MGA Cast Stone, INC. Greg is responsible for the overall leadership, direction, and management of MGA Cast Stone. Greg leads the Sales and Marketing team, and is our single point of contact for our customers estimating and design departments. Having a drive for business development, he also works on specialty projects that demand the highest degree of attention. Always eager to expand, Greg is always looking for new innovative product lines for MGA to offer to their customers. Greg brings to us a broad knowledge of commercial construction with an understanding of the commercial masonry trade and the precast industry having worked in growing MGA Cast Stone, INC with his father. Greg is a graduate of St. Anselm College, BA in business.

Tom Hamann

Tom Hamann, COO & Owner

Leading our plant operations, Tom manages the day to day operations of our plant ensuring your project is built to specifications, APA standards, and delivered on time . Tom is also involved directly with the sales and marketing departments and works closely with that team developing new customers and new product lines. With a major in Leadership and Organizational Studies, Tom brings to our team a great insight on team dynamics, and how effective and positive communication, can overall strengthen a team's performance and product. Through extensive world travel, Tom has realized the importance of corporate responsibility. Tom is constantly working with our management team to help improve our carbon footprint. Tom's previous experience in human resource management allows for great collaboration with our existing team members. Tom is a graduate of the University of Southern Maine, BS in leadership and organizational studies.

Justin Dodd

Justin Dodd, CPO

Justin brings over 8 years of Engineering and Project Management experience to MGA Cast Stone. His background in the Power Industry includes the management of numerous large scale multi-million dollar international projects. He holds two engineering degrees from Vermont Technical College and is a certified Project Management Professional (PMP) which is an internationally recognized professional designation offered by the Project Management Institute (PMI). He leads the Project Management department at MGA Cast Stone and is responsible for the management of all projects through their complete life cycle.

David Swasey

David Swasey, CFO

Dave has over 15 years of Business Management Experience.  This with his degrees in Accounting and Finance from Cedarville University has given him the knowledge and experience to oversee the financial well being of MGA Cast Stone.  Dave started his career in the construction industry and has spent the past 12 years managing the day to day operations of a local CPA firm.  Along with strong accounting skills, he also has a deep knowledge of technology and human resources.

Chris Stearns

Chris Stearns, Northeast Sales Manager

Chris has been a part of the architectural precast & cast stone industry for over 16 years. He started off as a drafter, and has also worked as estimator and project manager. Chris brings the experience required to ensure your project runs smoothly, from initial design to job completion. His experience is enhanced by his Bachelor's degree in Architecture. As our Northeast Sales Manager, Chris is responsible for the overall leadership and development of sales for his area. Chris is a motivated individual who strives to offer the highest level of customer service, quality cast stone, and precast products his customers demand. Contact Chris today about your next project!

Steve Sumple

Steve Sumple, Architectural Sales Consultant

Steve brings to MGA 20 years of construction experience with 18 years in masonry supply sales experience. Before his sales career, Steve built a solid foundation in residential construction with his own general contracting business. This has afforded Steve the knowledge to know what's important in the life cycle of a project, from its infantile stage through design and ultimately to fruition. Steve approaches all projects with an open mind and motivation to ensure all client's needs and expectations are not only met, but surpassed. As MGA's Architectural Sales Consultant, Steve will be responsible for interacting with all facets of the design profession and design build profession. Working hand in hand with the architectural community prior to and during the design phase of projects to ensure a seamless segue to complete drawings and construction. Contact Steve today about your upcoming projects and how MGA can help.

Sandra Palone

Sandra Palone, Mid Atlantic Sales Manager

Sandra was introduced to sales when she was a teenager, working for a small engineering firm. Sandra received her B.S. in Business Administration from the University of Pittsburgh. After graduation, she became the North Eastern Regional Sales Representative for Crane Pumps & Systems, Burks Division. Within a few years, Sandra became the National OEM Sales Manager for Roper Pump Company. Following Roger Pump, Sandra moved on Cast- Con Stone, a dream job for her because of the interface with Architects, Engineers, other Precast Producers and Builders by marketing precast systems throughout the Mid-Atlantic States.

Currently Sandra is the President of Sandra Palone & Associates, LLC. (SP&A) - an Independent Sales Representative Company, representing products and services for Design and Construction. SP&A is an independent sales representative of MGA Cast Stone and Sandra is our acting Mid- Atlantic Sales Manager. Please contact Sandra today for pricing on your current or future projects in the Mid- Atlantic region. (OH, PA, MD, DE, VA, NY, NJ)

Brandy Sibley

Brandy Sibley, Project Coordinator

Brandy joins the MGA team with over 4 years experience in project coordination and logistics. With a background that also includes office administration and coordination of daily business operations, her contribution extends past just project activities. Brandy places emphasis on customer satisfaction and dedication to quality and timely completion of your project(s) as a priority, and is very detail oriented with a team focused approach. Brandy is a graduate of Hesser College in New Hampshire with a degree in Criminal Justice.

Maritza Teruel

Maritza Teruel, Sales Administrator

Maritza brings a strong background in sales and administrative support to our sales team at MGA. Maritza supports our sales team working daily to ensure they have what they need to succeed. Maritza also focuses helps in other clerical support roles throughout MGA. Maritza is bilingual with a background in communications.

Brent Cornell

Brent Cornell, Architectural Drafter

Brent first started drafting in 1995 for an Architectural firm in Boston, after graduating from Wentworth Institute of Technology with a Bachelor of Science in Architectural Engineering. Brent has over 18 years of experience in drafting Architectural drawings, 10 years of it in precast. Brent is now MGA's lead drafter in house and is dedicated to drafting your drawings accurately to the industry standards so your project will run smoothly from start to completion.

Steve Hecker

Steve Hecker, Drafter

Steve brings with him 23 years experience in multi-drafting disciplines, site inspecting, sales and engineering. With a background of various CAD software, drawing and modeling complex machines, industrial components and large prefabricated structures in fast paced environments. Steve's experiences and CAD skills apply well to architectural precast concrete. Steve has an associates degree in Mechanical design & drafting technology from Central Maine Technical College. Steve is very detailed oriented, team driven, with the desire to execute projects successfully in a timely manner.